Download Service Manual Datsun Model 410 Series

Transcript
1
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SERVICE MANUAL
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DATSUN
J
44
410 SERIES
MODEL
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NISSANI
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NISSAN MOTOR CO
OTEMACHI
BLDG
OTEMACHI
TOKYO
CAIUS ADDRtSS
PHONES
CHIYODA
JAPAN
NISMO
LTD
TOKYO
211 5281 9
KU
MODEL
DlTSUI BLUEBlRD
P L 41 0
INTRODUCTION
Thls manual has been
DA TSUN dlstnbutors and
mamtenance
dealers for effective
IS
descnbed
In
Each
detaIl
In addltlOn
mstructJOns are glven
assemblmg
and mspectlOn of these assembhes
IS
emphaslsed
shuu ld be used
as
that
only
for
complete
genume DA TSUN
replacements
serVlCe
assembly
prehenslve
It
i
for purpose of asslstmg
of the Model P L 410
major components
j
comphes
and
of the
com
dl
manrlmg
Spare
Parts
l
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t
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CONTENTS
Page
SPECIFICATION
l
7
ENGINE
1
General
SpeclfIcatlons
1
COOLING SYSTEM
3
LubrIcatlon
ServIce
10
OperatIons
WIth
Engme m
PosltlOn
16
Rocker Mechamsm
20
Removmg
OperatlOn
34
Reflttmg
WIth the Engme Removed
BRAKER POINT AND IGNITION TIMING
37
ADJUSlMENT
42
DistrIbutor
42
the
AdJustmg
IgmtlOn Tlmmg
r
Jf
44
FUEL SYSTEM
48
Carburetor
48
1
r
i
The
1
Gasohne
Tank
55
Fuel Stramer
59
Fuel
Pump
Adjustment
ijf
60
and
Inspectlon
of
Engme
65
4
CLUTCH
r
1
170
i
t
TRANSMISSION
h
8I
82
DIsassemble the TransmIssIon Case
DIsassemble the TransmIssIon Case For 4
r
Stage
Floor Slnft
100c
l
b
4
FRONT AXLE
1
t
no
1
Dlsassemblmg the Front Hub
Independent Front SUSpenSIon
ll
lq
I
I
l
i
J
PROPELLER SHAFT
UNIVERSAL JOINTS
f
125
REAR AXLE
129
STEERING
152
Steermg
BRAKE
153
158
i
Front Brake
159
Rear Brake
166
169
Hand Brake
1
lf
Page
ELECTRICAL SYSTEM
172
Alternator
l74
Generator
l76
l86
190
Regulator
14 Items
on
Handhng
Trouble Shootmg LIst
Starter Motor
192
194
1
1
nl
t
7
I
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5 P ICIFICA ION
MAJOR SPECIFICATION
Name and Model of VehIcle
Datsun P410
Name of Manufacturer
ClassIfIcation
S
NISSAN MOTOR CO
LTD
Passenger
Name of ChaSSIS and Model
Datsun P410
VehIcle
885
Name of VehIcle
Datsun
5
SerIes of VehIcle
P410
I 160
Engme
Weight
kg
Seating CapacIty
VehIcle Gross
Overall
WeIght
Length
Overall WIdth
kg
mm
3 990
mm
I 490
Kmd of VehIcle
Model
Total PIston
4 wheel
d
EI
Olsplace
Itr
ment
Fuel
I 189
Gasolme
i
Overall
HeIght
mm
c
I 415
r
InterIor
of
Length
I 685
Wheel Base
WIdth
I 240
Overhang to
Rear Body
HeIght
I 130
Cargo Space
mm
2 380
sIze
room
Space
the end of
950
mm
of set
mm
DIstrIbutIOn
of VehIcle
Front
505
Front
5 60 134P
Rear
5 60 13 4P
Front
95 2
Rear
88 9
Front
460
Rear
460
TIre SIze
WeIght
WIthout Load
Rear
380
Front
600
Rear
560
kg
DIstrIbution
of VehIcle
PrOpOl tlOn
of TIre
WeIght
WIth Load
WIth Load
kg
ProportIOn
of Front TIre
wIth Load
Max
51 7
nation
Front
I 206
Rear
I 198
Tread
mm
Inch
1
Angle
i
COMPARlBON WITH MAJOR SPECIFICATION OF
MODEL P410
MODEL
ITEM
P410
F
VehIcle Overall
E
E
VehIcle Overall WIdth
1
490
VehIcle Overall
1
415
HeIght
Overall Length
l 685
Overall WIdth
1 240
Overall
I 130
Intenor SIze of
Cargo Space
tI
Z
a
3 995
Length
HeIght
I 206
Front
Tread
1
Rear
CI
Z
w
Mm
Cl
Road Clearance
Floor
198
2 380
Wheel Base
175
HeIght
Overhang
to
the Front End
WIthout
605
Bumoer
Overhand to the Rear End
WIthout
950
Bumper
Frame Overhand
to
the Front End
Frame Overhang to the Rear End
Ww
rN
tI
5 60 13 4P
Front
60 13 4P
Rear
VehIcle
915
WeIght
5
Seatmg CapacIty
Max
6
Payload
I
VehIcle Gross WeIght
IOU
1 190
llIl
ol
I
0
W
a
O1stnbutlon of
Verncle Wel ht
WIthout Loa
Front
505 525
Rear
380 390
O1stnbutlon of
Front
610 615
Rear
560 575
Verncle WeIght
Wlth Load
ChassIs
WeIght
Front
DIstnbutlon
Dlstnbutlon
HeIght
Max
of
Rear
Gravlty
Center
mm
krn h
Speed
m
jh
rw
au
z
r
c
E
W
Flat Road W2 Max
Grade
AbIlity
krn t
Load
Sm
565
128 80
18
0 34
2
mfh
t
1
I
MODEL
P410
ITEM
rw
au
z
r
w
Turnm
Mm
RadIus
Stoppmg
Brake
5 0
m
DIstance
50 lcm h
13 7
p
El
Model
Nlssan
Manufacturer
Gasohne
ClassIflCatlon
Coohng System
No
of
Cylmder
4 m Lme
Arrang
Cycle
4
Combustlon Chamber
Wedge Type
Valve
Over Head
Bore
Arrangement
Stroke
x
i
0
Z
w
I 189
i
8 2
CompressIOn
Ratlo
CompressIOn
Pressure
11 5 358
cm
r
p
kg
cm
r
pm
kg
cm
r
p
kg
m
Pressure
Explodmg
Max
73 x 71
mm
DIsplacement
W
Engme
Water Forced Clrculatlon
Max
Mean Effectlve
lV1ax
Power B H P
Max
Torque
r
p
m
m
48 3 600
9 3 3 600
m
60 5 000
SAE
kg
r
p
9 3 3
m
210 2 000
Full Road SR PS h
Length
x
WIdth
x
HeIght
Type
mm
589x582 x690
kg
138
y
Weight
Position of
of PIston
of PIston
Rmg
Tlmmg
If
SpIlt
Slart
La
EX
Pressure
2
all
I
Inlet
Valve
t
0
It
Front
Engme
Matenal of PIston
No
63 7 ft lb
SAE
6oo
140B
Open
T D C
Inlet Close
500 A B D C
Qutlet Open
520B T D C
Outlet Close
120 A B D C
Intake
0 35
Valve Clearance
0 35
Exhaust
I
z
QUJ
z
2
Startmg Method
Ignition
itI
Magnetlc Startmg System
Battery
Method
3
Coli
Type
i
MODEL
P410
ITEM
Igmtlon Tlmmg
FIring
B T D C
r
p
100 600
m
1
Order
C14 S0
Type
IgllltIOn
Coll
0 409
Type
I
Hltacln
I
Vacuum
Advance
Hanshm
l ea
TVB 4BL
Manufacturer
Tlmmg
12F
HN
Hitachi
Manufacturer
D1stnbutlOn
3 4 2
MltsublsW
Governor
or
ystem
Type
L45
B
6E
Hitachi
Manufacturer
Spark Plug
Nlhontokushutob
Thread
W
Z
J
Gap
0
Z
W
m
14
mm
O 7
No
Type
2D 30CE
28
30
mm
21 8
25 14 7
mm
96
115
mm
48
48
Pump Jet
mm
60
Power
mm
55 p
Ventun SIze
Carburetor
if
Malll
Jet
Slow
Jet
AIr
l
Fuel
A
rOW
G
1
hJ
J
UCIl
Lubncatmg
Chl
Jet
Down
W
JI
8
Type
DIaphragm
Manufacturer
Showa
Capacity
of Fuel Tank
UCIl
Kyosan
8 U S
TrocOld
Paper
eU S
CapacIty
gallon
Type
Type
Teth
FIlter
2 9 0 8
gal
Water
Coohng
Closed
Type
Maccord Closed Type
Radiator
Type
41t lO
ea
Forced Pressure
Method
011 Filter
CapaCIty
1
Tsuchlya
Type
E
O
FIlter
Manufacturer
Pump Type
011 Pan
DoWV
Paper
No
Pump
Fuel Tank
E
z
1
mm
Draught
Type
AIr
Cleaner
lea
Nlhonlokakl
Manufacturer
Throttle Valve Bore
II
0 8
of
Coohng
of Water
Water
e
4 7
Centnfugal Type
Bellet Type
Pump
Thermostat
4
MODEL
P4l0
ITEM
f
o
Type
of No
25MB
14M2
w
Voltage
V
CapacIty
12
A H
40
Type
0
E
AC300
Manufacturer
GeneratIng
w
Z
w
0
Voltage
MItsublShl
Method
Alternator
V
12
CapacIty
kw
0 3
Voltage Regulator
w
E
E
U
RL A2
Type
5114 72
Manufacturer
HItachI
Power V HP
Voltage
i
12AIR
l2 1 4
Ow
u
Z
z w
O
Engme TransmlsslOn
Mechamsm
EngIne
Type
W
U
Smgle Dry Dlsc
Operatlon
Number of Plate
Clutch
Outd18 x IndIa
ThIckness
w
0
Clutch TransmIssIon
I
x
0
Z
Total Fnctlon Area
E
Type
factlng
200
mm
x
363
Svnchromeshetl on
E
Top
Operatmg
en
Z
TransmlsslOn
E
Method
o
2
em
2hd
SynC
3n
I Reverse
I
Remote Control
p
r
J
WU
p
Length
Type
x
Outdla
Floor ShIft
3 518
3 945
2nd
1 725
2 402
3rd
1 000
r 490
x
1 000
of Umversal
4 125
IndIa
mm
1
237
JOInt
Type
rr
rr
hed un 2nd
hrane
4th
forward
410 Un
5 159
x
68 9 x 65 3
SpIcer
of Gear
L
J
f1f
tf 1
HypOld
Fmal Gear
z
i
reverqe
1st
Reverse
wwrr
J
l
130x3 5
4th
E
Gear Ratio
o
4 375
Housmg Type
w
00
Type
r
Hydrauhc
BanjO
of Numberof Gear
StraIght
5
Bevel PInion
2
I
l
MODEL
P410
ITEM
E
O
1 W
Type
of Gear
1
Gear Ratlo
W
Steermg Angle
Cam
14 8
WCJt
1 CIl
Lever
Out
28036
CIl
Steering
Wheel Ola
405
mm
Wheel Arrangement
W
U
W
Cl
0
2 Front
Front Axle
WIsh Bone Ball
Toe In
2 Rear
Jomt Type
3
mm
Camller
1030
Caster
1030
Z
5
Inclmatlon
of
Angle
Kmg
6030
Pm
I
Type
of Rear Axle
Seml
2 Leadm
Type
Leadmg
Lmmg
Master Brake
E
Area
Rear em
25 40
IndIa
of Drum
Rear
23 81
India
of Master
of Wheel
India
I
Cyl
Max
of Wheel
Cyl
011 Pressure
US
em
Meehameal for Rear Wheel
Type
Lmmg
India
Z
0
DlmenslOn
Brakmg
4Ox4 5x215
351
em
of Drum
228 6
mm
Independent SuspenslOn
Double WIsh Bones
Pront
WIth
COlI
Sprmgs
Z
CIl
mm
Area
CIl
CIl
23 81
mm
kg
Total
25 40
mm
Rear
c
22 22
mm
Front
Brake
1hI
Front
CIl
Parkmg
l
of Drum
CIl
011 Brake
228 6
India
Cyl
SprIn
Length x
Call
Size
Idth
14 x 94 x 325
x
Rear
40 x4 5x215
Rear
Brakmg
Inner Dla
W
1
W
DlmenslOn
Ftont
rallmg
40 x 4 5 x 215
DlmenslOn
Front
Lmmg
Total
Floatmg Type
TIuekness
No
6
5
8
r
MODEL
P410
ITEM
Parallel Seml
Rear
Z
Q
tIl
Z
W
p
6
Sprmg SIze
Length x WIdth x
Thickness
1200x60x5
No
Elhptlc
2
2
mm
Helpmg Spnng
Shock Absorber
Front
Telescopic
Double Action
Shock Absorber
Rear
TelescopIc
Double Action
tIl
J
tIl
Stabilizer Front
Stabilizer Rear
W
Type
Section
I
i
O1menslOn
Height
x
Width x l111ckness
mm
7
TorSlOn Bar
Type
TorslOn Bar
Type
MODEl WP4 10
RUNNING PERFORMANCE CURVE
F mal gear ratio
1st speed ratIO
4 375
2nd
ratIO
1 725
ratio
1 000
1235 kg
Sm 6 0 32
3rd
speed
speed
51S
Gross vehicle
Max
500
weight
grade abIlIty
Effective radIUS of tire
40
Max
Max
o 287 m
9 3 kg m 3600
torque
BHP
60 HP 5000
r
p
r
p
m
m
5000
t
t
bO
8
t J
co
U
l
E
aJ
00
ri
aJo
Cc
p
b
bllbll
t
t
t
t
l
0 0
fT
c
p
o
30
40
Car
SO
60
speed
70
80
km h
QO
100
110
150
MODel P410
RUNNING PERFORMANCE CURVE
Fmal gear
4
rano
speed ratlO
2nd speed ratIo
3rd speed ratio
Gross vehicle weight
Max
grade ablhty
1st
500
Effective radlUs of
40
Max
Max
tIre
torque
BHP
375
3 518
1 725
1 000
1190 leg
0 34
Sm
0 287 m
9 3 kg m 3600
60 B H P
r
5000
r
p m
p m
35
5lOO
J
I
1
CIl
CJbO
C loi
6
3000
I
0
CIl
CJl
I
8m
bObO
c
M
M
l
c
M
l
I
lX O
CIl
I
3Ro
CIl
c
M
bO
J
U
10
20
30
80
Car
speed
km h
90
100
110
120
130
140
o
ISO
ENGINE
I
ENGINE
The engme IS of monobloc construcnon and IS fItted wIth overhead valves
011 seals are fitted to the
rockers and push rods from the camshaft
valves
Three steel backed beanngs support the camshaft whIch IS cham dnven
operated by
The OIl pump and dlstnbutor are dnven from the camshaft each component
havmg ItS own dnve shaft
The pIstons are each fItted wIth two compresslOn rmgs and a slotted OIl
control nng
Beanngs of the thm shell preformed type are fItted to the connect
A counter blanced crankshaft IS fItted
rod
ends
and to the mam beanngs
mg
bIg
The end thrust
beanng
The
on
thIS component
centnfugal
water
IS
taken
pump
and
by specIal washers at the center mam
coohng fan are dnven by the dynamo
belt
GENERAL
No
of
SPECIFICATIONS
4
Cyhnder
Bore
73 025
Stroke
71
Volume
I l89
2
2 796
mm
875
m
m
fr
cc
60 HP
at 5000 r p m
Torque
9 3
m at
F Inng order
1
Valve arrangement
Overhead valve
CompresslOn
163 Ibs
Max
brake horse power
mm
pressure
3
at
Compression
8 2
rano
1
kg
4
350
I
3600
r
p
m
2
per sq
r
p
m
push
m
rod type
11 5
kg
cm
EMGIME
ilft
t
l
x
cc
JJ
L
E7j
0
1
Y
t
SlOE
RIG
c
1
c
li
t
JF
1
I
r
t
EMGIME
lt
c
J
Ic
r
l
v
LEf
2
SlOE
Jt
J
r
I
vI
e
it
COOLING SYSTEM
An effICIent
runrung of the engme and
lts
of major Importance to ensure the sausfactory
therefore necessary to pay paucular attentlOn to
coohng system
It IS
IS
mamtance
Description
The coolmg system IS mamtamed by water pump clrculatlon combmed wIth
efficient fan cooled radIator and thermostat
The system IS pressunsed and the rehef valve mcorporated m the radIator
Do not
fIller cap controls the pressure at approximately 0 4 kg per sq cm
remove the fIller cap If the temperature of the coolant IS above bOlhng pomt or
If the engme IS runmng
Toppmg up should only be reqUIred occaslOnally to re
the overflow pIpe
water lost
Top up when the engme IS cold and
an
place
If pOSSible
through
use
clean soft
water
r
1l
t
l
f
t
0
t
1
I
f
f
I
Fig
Fill
to
wlthm 1 2
1
Radiator
of the bottom of the fIller
through
engme IS cold may
of the system IS approxImately 5 2 htres
cause water to
flow
3
plug
well
Overfllhng
the overflow pipe
when the
The capacity
Thermostat
effIcIency It IS essentlal to keep the engme ope
wIthm
certam
hmlts
To asslst thIS a bellows type thermostat
ratlng temperatures
The de
located
m the water outlet at the front of the cyhnd r head
IS fitted
bemg
filled wlth a volatlle hquled whIch controls a
VIce consIsts of metallIc bellows
In order to
ensure maXlmum
When the engme IS cold thIS valve IS closed and
restncted
engme the flow of water to the radiator IS temporarIly
Due to thlS
the temperature of the water m
the cyhnder head and cyhnder Jackets wIll qUlckly
mushroom valve
so
generated
w1l1
startmg the
The heat
warmmg up
the bellows so
rapId
thus ensunng
nse
on
gradually expand
openIng the valve
full flow of water
and
ultlmatelly permIttmg
a
the radiator
The thermostat Itself IS detachable therefore
should the occaSlOn anse It can be removed
from ItS
and the hose reconnected to avoid
to
housmg
Should the thermostat be tlght
up the car
la
lng
there are two capped holes on the top WhICh may
When the sys
be utlhzed to ease It from castmg
It IS essennal
tern has been completely emptled
to allow air to escape
the thermostat valve
The thermostat
up
opening
the manufacturer and cannot be altered
Fig 2 Pellet Thermostat
It open at a temperature of 76 SO IISoC
thIS open
Durmg decarbomsmg It IS pohcy to test
the
m water raIsed to
thermostat
mg by Immersmg
The valve should open under these condmons but 1f It
the
IS
M
through
fmally top
and then
set
by
requlslte temperature
falls to open
a new
unIt should be fltted
Overheating
m the
Overheatlng may be caused by a slack fan belt exceSSIve carbon deposlt
retarded
mcorrect
carburetor
WIth
the
too
far
adJust
19mtlOn
cyhnders runnmg
ment
falhre of the water to cIrculate
or
loss of water
I
Fan Belt
Adjustment
r
The fan
shaft
by
a
IS
V
dnven
belt
from
the crank
thIS also
dnvmg
the alternator
A New belt can be fItted
by fIrst
clamp bolts Fig 3
which hold the dynamo m posmon and
the engme
movmg the dynamo towards
loosenIng
the
Shde the belt
fan
over
pulley
Adjustment
IS
the fan and onto the
then made
by bnng
the en
mg the alternator away from
gme
The belt should be
sufflclently
yet the belt
tlght
should have 10 to IS mm slack be
tween the generator and crankshaft
to
prevent shp
Fig
4
3
Fan Belt
Adjustment
pulley when
the
midspan
IS
pushed fIrmly
After the correct tenslOn has been obtamed
securely
lock
It
m
pOSItlOn agam
Front Precausions
Freezmg
occur
may
fIrst
at
the bottom of the radIator
or m
the lower hose
connectlons
Ice m the hose wlll stop water clrculatlOn and ma cause bollmg
be used to advantage but care must be taken not to run with the muff
A muff
can
closed
fully
expected or when the car IS to be used m a
very low temperature make sure that the strength of the solUtion IS m fact up to
the strength advised by the manufacturers
The strength of the solutlon must be
mamtamed by toppmg up WIth antl freeze solutlon as necessary
ExceSSive toppmg
Solutlon must be made up
up WIth water reduces the degree of protection afforded
m accordance WIth mstruCtlons supphed WIth the contamer
Top up when the system IS cold
If the coohng system has to be dramed run the mIxture mto a clear co ltamer
or
bollmg
and
use
WIll result
IS
agam
Protection
On
When frost
cars
by Draining
where anti freeze
IS
not used the
followmg
precautlons
must
be taken
dUring frosty weather to obVIate any damage due to freezmg of the coohng system
When heavy frost IS Immment the coohng system must be completely dramed
It IS not suffICIent
There
other
tern
merely
are two dram
to cover the radiator and engme WIth rugs and musks
one on the left hand Side of the cyhnder block and the
cocks
Both taps must be
while dram mg
the base of the radIator block
at
and the
car
must be on level
ground
tested at frequent
The dram taps should be
to ensure that they are cleare
WIre
opened
dram the sys
by msertmg a piece of
Immediately the taps are
be flushed out by the water
mtervals
This should be done
opened so that any obstructlOn freed by the wire may
The drammg should be carried out when the engme IS hot
When completely dramed the engme should be run for
that all water has been cleaned from the system
A suitable notIce should be then affIxed to the radIator
water
to
a
tlmed mmute to
mdlcatmg
ensure
that the
has been dramed
Flushing the Radiator
To
effICient clrculatlon of the coolant and to reduce the formation of
flushed With
the system should be
m the radIator
hcalperlolyc
water
before putting m anti freeze m the winter and agam
ensure
scale and sediment
clear runnmg
when takmg It out
preferably
the spring
The
It comes out clear from the dram taps
m
mto the taps dUring
sediment
WIth
ThIS method of radIator
mserted
drammg
water
should be allowed
to run
through
until
At mtervals a Stlff piece of WIre should be
to ensure that they are not becommg clogged
flushmg may serve well but m cases where the fur
the
WIll fmd It more effICient practice to remove the
operator
ring up
turn the radiator up
the
reverse way to the flow
radiator completely and flush m
hose
the
bottom
connectlon
and out of
flow
m
Side down and let the water
through
IS exceSSIve
the top connectlOn
5
I
I
Gasket
o
II
rt
v
l
seat
F10atng
f
l
tilT
I
puley
Sea
pUMP
pumP
6
an
rOT
ub
H
1080
type
5
belt 1060 zMB
Fan Z1061 Zl061 foT
J
r
WATER
bateTY
f
Fig
used
dt3 dta
m m
p3ltn
3m
lo
1060 1080
lock
ZlO ZlO
l
l
i
puley
0
II
PUMP
WATER
After
drammg the water from the radiator remove the pump umt
cyhnder
by takmg off the fan belt and releasmg the setbolts with
washers and hmge bolts to dynamo
block
from the
spnng
Removing the Pump Shaft Assembly
Dlsconnect the fan blades
The shaft and ball
Put the
pulley
First
press
beanngs
and cover
combmed with
pulley
IS
one umt
hub on the bench
or
knock the shaft end with
a
dnft
hard
bar
hub on the U type bench
Take out the set pm from the sht which locked the shaft
and draw
out
the
pulley
See
body
Next
vane
Fig
turn
side
on
assembly
to the pump
1
the
body upside
down and press out the shaft
assembly
from the
the U type bench
Fig
The shaft and ball
Thus take out the
4
beanng assembly can be drewout from the body
floatmg seal and seal WhICh remamed the pump lxxly
vane
Reassembly
The
r
but
a care
for
a
sht
said nng
of the pump IS a reversal of the dlsassembIy procedure
should be taken to ensure that the shaft assembly IS fmed correctly
a hole of set nng with a groove of shaft so as to msert and set the
assembhng
correctly
7
1
Set
crew
lley
Pu
Pulley 1mb
I frontl
21035
K
Set
0
000
rUle p1n
Waaher
Cover
ll
f
Secnon Vlew
Flg 6
of the
FIg
8
7
Water Pump
Adjusting the Clearance the Vane End and Body
press down the shaft fItting WIth a groove line to Insert the set pin
inserting thIckness gauge fhlckness O 4 O 5 mm between the vane end on the
U block bench
Take out the thIckness gauge and find out good condmon
Screw up
FIrst
WIth the cover and cork washer
screT
Shaft
o
bear1ngs
assembly
Float1ng
1
I
1
4
Vane
f
Set p1n
sea
l
r
I
J
Insert here
th1ckness
i
4r
gauge
0
0 5
4
ii
Fig
mm
8
f
1
9
LUBRICATION
Circulation
throughout the umt and IS provided by an ecentnc
011
011 pump
The
pump IS bolted mto the left hand side of the crank
driven from the camshaft gear by a short verucal shaft
Pressure lubncauon
non
drammg
case
and
IS
IS
used
mto the pump via the fIlter and IS dehvered through mternal oil
ways to the non adjustable rehef valve which IS situated at the rear left hand side
of the crankcase
From the rellef valve the 011 passes
OllIS drawn
mto the mam 011
on the right hand
The flow then passes
gallery
sIde of the engme
via
connecung 011ways
end and
mgs
ends
the
m
cam
shaft
to
the
mam
bearings through
big
dnll
The connectmg
the crankshaft
dnlhng m the cyhnder block and
are
rear
rocker shaft bracket
cate the rockers
to lubri
and then drams back
sump via the push rod
all from the center camshaft
mto the engme
apertures
enters a gallery on the left hand
Side of the engme and lubncates the tappa
As the
pets through mdlvldual dnlhngs
bearmg
two grooves m the front
a small hole m the
WIth
Journal regIster
camshaft thrust plate thus allowmg a
camshaft rotates
small amount of OIl to pass mto the tlmmg
case twice durmg case revolutIOn of the
camshaft to
provide
lubncatlon for the
ummg cham and gears
case the 011 returns VIa
From the tlmmg
a
dram hole back
The filter therefore
forms part of the mam OIl gallery and as
such IS filled WIth 011 under pressure
to the engme sump
A proportion of the 011 enters the
through holes m the casmg and
element
Fg
1
the an
passes through the element mto
nular space round the center bolt
This space IS sealed top and bottom
so
that the 011
can
only
from thiS pomt back
escape through
the sump
a
small hole mto the hollow
center
bolt and
Into
Draining Oil Pan
The 011 pan IS a metal pressIng With the draIn plug
On new and recondmoned engmes the sump must be draIned and refilled with
and subsequently at Intervals of 5 000 Ian
new 011 after the first I 000 Ian
and takes with
Dram the 011 when the engme IS hot SInce warm OIl flows freely
have
accumulated
It any sludge or sedIment whIch may
Such cleamng medIUms
or paraffIn for flushIng purposes
Never use
are never
petrol
completely dispersed
from the engIne lubricatIOn system and wIll remaIn
10
II
I
to contammate any fresh 011
This may
cause
bearmg
premature
faIlure
Oil Pressure
The normal operatmg 011 pressure IS 60 lb
per sq m
The warnIng hght whIch IS embodied m the mstrument
panel hght If the 011
pressure drops below 8 Ib sq m
under these cIrcumstances do not attempt to
the engme or serIOUS damage may result
run
Refilling
When reflllIng the sump do not pour the 011
from the fIller onflce and mIslead the operdtor
the engme
too
In
as
qUickly
to the
as
It
may overflow
quantity of lubncant
m
Before testing the level of the 011 ensure that the vehicle IS as near level as
Always wIpe the dIp stick clean WIth a non fluffy cloth before takmg
the readmg
It should be remembered that time must be allowed for new 011 to
pOSSIble
reach to sump before
readmg
the
dIpstick
Check for Low Oil Pressure
Check the level of 011
of the
the engme
stick and top
In
sump by
dIp
If the warnmg lIght IS
up If necessary
still on after refIllmg the sump SWItch
off and ascertam that the gauge stramer
means
0
at
the stramer
unIOn on
the
suction
of the 011 pump bemg defectIve
the unIt and rectify the fault
j
1
the sump IS clean and not choked with
sludge sale that no aIr leakage eXIsts
m
c
c
c
c
r
SIde
j
I
remove
3
I
r
r
Oil Release Valve
2
4
The 011 release valve should be
j
ex
ammed
If the engme beanngs are worn the
011 pressure WIll be reduced
A complete
bearmg overhaul and the fIttmg of replace
ment parts IS the
tatmg
I
0
tb
C
only remedy
j
necessl
the removal of the engme from the
i
3
classls
f
I
Removing the By
pass Filter
FJg
A
new
fIlter element should be fItted
every 15 000 km
The fIlter torms part of the mam 011
gallery of the engme To remove the fllter
It IS
only necessary
2
OJl Release Valve
DScatmg
@Spnng
@Screw Plug
@ Washer
to unscrew the center bolt when the bowl can be removeed from
11
11
GASKET fllter
body top
ASS Y
ELEMENT
011 fllter
With gasket
ASS Y
SHAFT
center
1
r
RING
C
PRING
element
ASS Y SEAT
element
settIng
c
O
GASKET
element seat
GASKET
011 filter
body
RlNG
retainer
RETAlNER
VALVE safety
BRACKET
steel ball
011 filter
GASKET
011 fllter to
cyhnder
o
k
I
o
RING
snap
SPRINGI
011 fllter
cyhnder
3 01 L FILTER
12
ent
safety
STUD to fix
Fig
ele
see
block sechon
snap
the crankcase
ring
dry
complete with the element Take care not to lose the rubber
Remove the element and note the
assembly of the components
Wash out the bowl with pettol so that It IS clean
It IS Important to
the bowl to obviate any contammaUon
Replacing
of the
sealing
thorough
lubrIcatmg
011
the Filter
With the center bolt
tIOn In the bowl
with the
the washer and the spring together with the collar m POSI
element
Place the dIstance pIece over the center bolt
end towards the element
The bowl of filter must now be filled with
msert a new
flanged
011
Offer up the
of the center bolt
Removing
complete assembly
to the engme and secure
mto
posItion
by
means
the Oil Pan
The sump capacity IS 3 I Inres
Dram the 011 and replace the dram
plug
Remove the set screw bolts which are mserted from the underSIde of the se
cUring flange and the lower bolts from the bottom edge of the bell housmg
Lower
the 011 pan from the
engme
takmg care not to damage the Jomt wahsers In the pro
cess
Removing the Strainer
WIth the snup lowered It IS
possIble to remove the 011 stramer through which
drawn mto the 011 pump
To remove the straIner unto the unIOn
connecung
the 011 pIck up to the pump and unscrew
011
IS
the securmg bolts
The stramer may be dIsmantled for
cleanmg purpose by removmg the delivery
pipe
flange
bolts
NotIce that there
are
the dowel pms
to the cover whIch must be
rectly
when
Removing
posItIOned
cor
refItung
the Oil
Pump
Remove the Oil pan and pick up
Three of the fIve bolts securing
the 011 pump bottom cover are
long enough
straIner
to secure the pump to the crankcase
FIg 4 Illustrates the pump m explosed
form
Unscrew the long bolts and
the pump With ItS drive shaft
remove
Dismantling the Oil Pump
Remove the setscrews and spring
washers WhICh secure the cover to the
body and take off the cover On ultmg
the body upSIde down the mner rotor WIth
Its
drive shaft
and the
outer
Ftg
rotor WIth
slide out
13
4
Refitting the Sump
Clean out the sump by washing It 10 paraffm the care to remove any traces
paraffm before refIttmg the 011 pan to the engme
Pay patlcular attentlon
to the 011
pan and crank case lomt faces and remove any traces of old Jomnng
materIal
Examme the Jomt washer and renew It 1f necessary
The old Jomt
of the
washer
can
be used agam If It
IS
sound
but
adVIsable to fIt a new one
Smear
LIft the 011 pan mto poSl
tlghtmg them up evenly
It IS
the faces of the Jomt WIth grease and fIt the Jomt washer
non
and msert the setscrews mto the
Reassembling
the Oil
flange
Pump
The outer rotor Fig 4 has a chamfered edge
It IS of great Important that
thIS chamfer be towards the base of the body fIlure to assemble m thiS way WIll
result 10 the cover IS tlghtened down
Insert the slotted end of the drIve shaft mto
the
body
and
brIng the
rotors mto mesh
t
r1
y
n
o
l
fuo
f
0
P
i
Fzg
5
OJl Pump
14
GASKET
011 pump to
cyhnder
bloc k
ASS Y
SPINDLE
drlVlng
011 pump
ilx
pump
to
WASHER
O
k
cover
BOLT
I
i
Stud
0
u
0
U
o
0
0
0
D
ASS Y SHAFT
0 1 pump
D
p
Cover
Washer
Washer
Bolt
oll pump
@
tft
Washer
@ Washer
Bolt
1
ASS Y
GASKET
ot stramer
to
SCREW
to
ilx
0
WASHER
pump
lock
1 stralner
Fig
6 OIL
15
PUMP
STRAINER
011
i
r
OPERATIONS
SERVICE
ENGINEi
Removing Starting
Nut and
Remove the radIator
N
WITH
POSITION
Pulley
Slacken the
dynamo
attachment bolts and
remove
the
fan belt
dog
Bend back the tab on the starting dog
nut by USing H eavy duty
Shock type
A few
sharp
blows
Removing
the
The tlmIng
washer and
a
locking
washer
Unscrew the starting
spanner
clockwIse dlrecnon will slacken the
In an ann
Pull off the crankshaft
nut
nut
pulley
Timing Cover
cover IS
secured
specIal plam
by
set
washer
screw
bolts
Note that the
each
specIal
having
washer
a
shakeproof
of elongated
IS
and IS fItted next to the
nmIng cover flange
The sprIng washers are
ImmedIately below the bolt heads
Take out the set screw bolts remove the cover and ItS
JOint washer
Care
should be taken not to damage the washer when
If damage does
breaking the Jomt
occur flt a new washer
cleaning of the faces of the JOint surfaces beforehand
shape
Removing
1
Timing Gear
The tlmIng chain IS endless
and It IS necessary to remove both the crankshaft
and camshaft gears together
Before dOing thIS notlce the
tlmIng marks on both
gears and theIr relatlonshlp to each other
Draw off both the gears
retamIng
of
the
a
lIttle at
a
tlme
fIrst
removing
the crankshaftt
gear
nut
As the gears are withdrawn care must be taken not to lose the
paclang washers
from behmd the crankshaft gear
Between the camshaft g ar teeth IS a rubber
and ensures silent operatIon of the chain drIve
rmg wInch acts as a tens lOner
l
Examme the felt washer and renew It If 011 has been lost he
seepage
Refitting
Timing Gear
the
Replacmg the
jl1anthng process
components of the nmmg gear is largely a reversal of the dlS
but specIal attentlon should be pal
to the follOWing pOints
FIt the crankshaft and camshaft gears Into theIr respectlve shaftes
Ensure
the tlmIng marks are opposlte and m lIne
Turn the engme crankshaft untll the
IS at T D C
and the c m shaft
keyway
wlth Its
keyway
approxImately
the
clock posltlOn
Place the gears mto pOSltIon
ensunpg that the keys are present In
vays
key
on the shafts
Ensure that the tlmmg marks on the gears are opposlte to each
other and m lIne
DrIve the gears home
The same number of packing washers
from
talCeil
behind the crankshaft gear
must be replaced unless a new crank or camshaft has been fmed
In thIS case
the ahgnment of the gear fac s and measurn
g the alIgnment With a feeler gauge
To adjust the alIgnment It wlll be
necessary to vary the number of packmg
washers
In
one o
C
16
l
ct
r
4
T
r
T
l
t
a
Fit the 011 thrower behmd the crankshaft gear so that
wards the front of the car and check that the felt washer
ltS concave
IS m
face It to
positIOn
Valve Rocker Cover Removal
Remove the
brackets
air
cleaner
Unscrew the cap
nuts
secunng the engme
hfung
Remove the rocker cover and the cork Jomt washer
Removing the Rocker Assembly
Dram the
coohng system
If
anlt
freeze
IS m use
use a
clean contamer for
be used agam
It IS necessary to dram the system and slacken the cyhnder head nuts
four of the rocker shaft flxmg nuts also secure the cyhnder head
the flUid If It
If the
IS to
cylmder
head
nuts are
water to fmd Its way from the
NotIce that under the
nght
not slackened dlstonatIon may result and allow
coolmg systefIl
hand
rear
mto
the
cyhnders and pump
IS a speclallockmg
rocker stud nut
plate Completely unscrew the rocker shaft blacket
assembly Complete wIth brackets and rockers
Dismantling the Assembl
becaust
nuts and remove the rocker
y
To dIsmantle the rocker shaft assembly fIrst
loclung plate from the rear rocker bracket
remove
the
grub
screw
and
f
tr
1
FIg
1
Cylinder
1
t
l7
JII
Head
J
Remove the splIt pms flat washers and
sprmg washers from each end of the
shaft
Shde the rockers brackets and
Unscrew the plug
sprmgs from the shaft
from the end of the shaft and clean out the 011
way
The two end rockers may be dIsmantled WIthout the whole rocker
assembly
bemg dr awn out ThIS may be achlVed by turnmg the engme by hand untIl No I
push rod reacher ItS lowest pOSItlOn
Unlock the tappet adjustrng screw and screw It back as far as It wIll
go
WIthdraw the splIt pm flat and
sprIng washers and slIde the rocker off the
shaft
SometImes the valve sprIng WIll have to be
slIghtly compressed by leverIng
screwdrIver under No 2 rocker thus allowing the end rocker to slIde off the
shaft easIly
Repeat the procedure for No 8 rocker
a
Reassembling
the Rocker
On reassembly tIghten the pedestal bracket securmg nuts a lIttle at a tIme
worlang dIagonally from nut to nut left nut of No I pedestal bracket rIght nut
of No 2
left of No 3 and
so on
completely strIpped
the left nut of No 4 bracket and
If the rocker assembly has been
the 011 holes wIll have to be redrIlled
returnmg from
repeatmg the process untIl they
are
all
tight
down and rebushed
and the bushes reamed down to size before
The rockers and sprIng must
Remember to
lock plate
ends of the shaft
h
assembly on the shaft
be replaced m theIr orIgmal posltlOn On the
replace the rocker shaft locatmg screw and
Replace the
Replace
sprIng and flat washers WIth the splIt pms on the ends of the
the rocker cover and gasket
The vent pipe should be at the
front of the engme
Secure the cover by means of the tWo
cap nuts ensurIng
that the rubber bushed and engme lIftmg plates are m poSItIon
If the rocker
cover gasket or the rubber bushes are found to be
faulty they must be renewed
otherwIse 011 leaks WIll result
shaft
Jt
Push Rod Removal
If the valve rocker
assembly has already
push rods to be lIfted out They may
detachmg the rocker assembly
for the
out
Remove the
aIr
claner and rocker
been removed all that remains IS
on
the other hand be taken
t
i
cover
out
y
Slacken all the tappet adjustmg screws to theIr full extent then usmg a
WIth the rocker shaft as a fulcrum depress the valve
sprmg
the rocker SIde ways and lIft out the
pusod
screwdrIver
All but the end
push
WIth
slIde
r
m thIS way
These w1l1 have to
be wIthdrawn after the removal of the two end rockers from the shaft
When re
placmg push rods ensure that the ball ends regIster m the tappet cups From
here onwards reassembly IS a straIght forward reversal of the
rods
can
be WIthdrawn
dlsmantlmg
process
A
djusti ng Valve Rocker Clearances
Remove the
aIr
There should be
cleaner and rocker
a
rocker and the base of the valve stem
portant to
mamtam
cover
clearance of 0 014
pressure WIth
m
0 3S
WhIlst
a screw
18
mm
checkmg
drIver
on
between the face of the
the clearances It
the tappet
adjustmg
IS Im
screw
push rod cup
will result m a wrong readmg bemg taken
Turn the engme over by hand Startmg handle
the valve IS fully closed
to
dIsperse
Fallure
the film of 011 from the
Ftg
2
Adjusting
to
untll the
follow this procedure
rod stops
push
fallmg
the Rocker Clearance
screw slot and slaken
adjust FIg 2 msert a screw dnver m the ad ustmg
face of the rocker and
between
the
insert
014
m
feeler
lock
nut
Then
gauge
the
Raise or lower the adJustmg screw untll the correct clearance IS
the valve stem
To
obtamed
Tighten
It
valve
IS
the lock nut and recheck the clearance
to note that whlle the clearance
Important
bemg adjusted
IS
must be on the back of the cam
bemg
the tappet of the
set
OpposIte
to Its
I
f14
J
19
peak
ROCKER
MECHANISM
Rocker shaft
Length
355 63
Outer dIameter
l5 850
14 1 32
mm
m
l5 875 mm 0 624
O 625
m
Rocker arm bush
WhIte metal wIth
Type
steellmmg
Outer diameter
before mountmg
19075
19 101
15 888
15
0 751
mm
0 752
m
Inner dIameter
Reamer fmlshed
dImensIon after
mountmg
90l
0 625 l 2
mm
0 626
m
l1llckness before
reamer
fmishmg
Clearance
Rocker
l 644
1 727 mm
0 013
0 051
mm
0 065
0
INDER
0 002
m
m
arm
19
37 mm 0 748 1 2 0 749 1 2
Bore
19 012
Lever ratlO
25 003 to 35 7l9mm
63 64 to 1 13 32
CY
1 2 0 068
0001 2
m
m
HEAD
Removing the Cylinder Head
f
Dram the
cooling system by
openmg the radlator and
cyhnder
block dram
taps
sItuated inlet tube at the backSIde of the radlator and other at the rear
If amt freeze mixture IS m use It should be dramed
nght hand SIde of the engme
mto a sUitable contamer and retamed for future use
cable from the battery be extractmg the term mal screw
DIsconnect the
One
IS
negatlve
and removmg the lug from the battery term mal post
Slacken both the retammg chps on the hose connectmg the radIator
mostat housing and remove the hose
Extract the termostat
housmg
secunng nuts and
remove
the
to
housmg
the ther
and ther
mostat
Remove the alrcleaner
carburetor
rocker
cover
and the mlet and exhaust
mamfolds
Detach the hIgh tenslOn cables and remove the sparkmg plugs also dIsconnect
the water temperature gauge connectlon from the thermostat housmg
Take off the rocker assembly not forgettmg to slacken the external cyhnder
head nuts at the same tlTpe
WIthdraw the push rods
head
The cyhnder
breadmg the cylmder head
pIece of wood mterposed to
them m the order of removal
To facilItate
be hfted off the cyhnder block
a hammer usmg
each
Side
of
the
head
WIth
OInt
tap
keepmg
can now
take the blow
Do not
20
use exceSSIve
force
a
When
hftmg
the head
up the studs
a
dIrect
Remove the
pull should be gIven
cyhnder head gasket
so
that the head
IS
pulled evenly
Decarbonising
Remove the cylmder head
With the valves stlll m pOSltlon remove the carbon
from the combustlon chambers and the valve faces
Leavmg the valves m POSI
tion for tlus operatlon ensures that damage cannot be caused to the seats by the
wire
brush Wh1Ch should be used for the removal of carbon
If the exhsust valve heads are coated WIth a very hard
moved by usmg a ch1sel shaped p1ece of hardwood
Remove the valves
and usmg the
wire
deposit
thIS
may
be
re
brush clean out the carbon from the
mlet and exhaust ports
Blowout all traces of carbon dust with
compressed aIr or type pump and fmally
clean the ports with gasohne and dry them out
The carbon should now be removed
Rotate the engIne untll the PIston to be worked on 1S at
from the piSton crowns
Protect the other cyhnder bore from the entry of carbon partlcles by push
T D C
a
non
fluffy rag mto them
mg
Usmg a clusel shaped pIece of hardwood Carefully remove the carbon from
A rmg of carbon should be left round the penphery of each
the pIston crowns
pIston and the depoSIt round the top of the cyhnder bore should not be touched
An mdlCatlOn as to when decarbomsanon IS reqUlre IS generally gIven by an all
Cars used mamly on short runs w1l1 reqUIre thiS attentlon
round loss of power
more
often than those used for
Removal and
a Valve
long
runs
Replacement of
Whllst the cyhnder head IS
moved the valves can be taken
re
out
To do thiS compress the valve spnng
with the special valve spnng com
pressor as shown m F1g 1
Removal
Remove the two cap retammg
Release the valve spnng
collets
valve sprmg cap valve 011 seal
valve only and Its retamer
Withdraw the valve from the
Keep
the valves
m
the
Inlet
gUlde
thell relanve
poSltlons when removed from the
engme to ensure replacement m
theIr
ongmal
valve
guides
Fg
21
1
Valve
Spnng Compressor
Replacement
Note that the dIameter of the exhaust valve heads are smaller than the mlet
To replace the valves Insert each valve Into Its
guIde and replace the
spnng 011 seal and retamer
FIt 011 seal chamfered sIde down wards
The 011
valve
seals
easIly fItted If they have been soaked m engme 011 for a short
The 011 seal IS used for the Intake valve
penod before use
only
Replace the valve spnng and compress the valve spnng
RefIt the cap retamers and secure them
by means of the valve cotters
are more
Remove the compressor
Inner
Free
length
Length m use
Turnnmg
Nos
Effectlve
turn
of coil
kg
of coil
of coil
36 9 13 l
0 7
6 5
mm
24mm
SPRING
7
y
Ct
r
V
L
r
J
f
7
t
h
fro
r
i
o
j
j
l
j
c
f
FIg
2
Valve
Spring
22
8
1O 2
5
33 7
7
f
f
38 9 29 1 1 5
6 5
4 5
r
T
Sp
52mm
8 5
5 6 LO 2
WIre
DIameter of coIl
VALVE
Outer
and loaded
mm
Dla
Sp
50mm
mm
Valve Ass y
mm
mm
7
Valve
Grinding
Before replacement of the cyhnder head the valves and theIr seats should be
exammed for SIgnS of pIttIng or burnt
patches and distortIon
If these condItIOns are present
the valve seats must be recut before
attempt
mg to gnnd m the valves whllst dIstorted valve heads should be trued or the valve
renewed
Only the mmlmum amount of metal should be removed m the
turnmg
process
When gnndmg a valve onto ItS seahng
the valve face should be smeared hght
WIth gnndmg paste and then lapped m With a suctIon type gnndmg tool
The
valve must be ground to us seat WIth a semI rotary motIron
A hght COlI spnng
mterposed between the valve head and the port WIll assist conSIderably when hftmg
the valve m order to rotate the face to a dIfferent pOSItIOn
ThIS should be done
ly
frequently
to
spread
the
gnndmg compound evenly
It IS necessary to contmue the
gnndmg process untIl an even matt surface IS
produced on the seatmg and the valve face
On completIon
gasohne soaked rag
the valve seats and ports should be throughly cleaned With
and dned and the subjected to a compressed aIr blast
The
valves should be washed
m
gasohne
and all traces of
gnndmg compound
removed
VALVES
Valve head dIameter
Intake valve
Exhaust valve
Valve
seat
Valve
stem
both
WIdth
34 798 34
30 023 30
1
935
mm
ISO
mm
iO 015
63
1 370 1 375
1 182 1 187
m
m
mm
outer dIameter
mtake and ex
8 6805 8 6932
0 341 3 4
mm
0 342 1 4
Overall
length
Intake valve
109 54
mm
4
5 16
m
Ex
valve
108 74
mm
4
9 32
m
Intake valve
47 63
mm
1
57
mm
2 9 32
VAL VE GUIDE
Length
Exhaust valve
Outer dIameter both mtake
and exhaust
Inner dIameter both mtake
and exhaust
94
14 313
7 8
14 440
8 733 8 860
m
m
mm
mm
0 5635 0 5685 m
0 3438 0 3443m
Inner dIameter at gUlde
mlet to msert both mtake
and exhaust
Clearance of valve stem
and guIde both mtake and
exhaust
14
3
mm
0 5634
O 0394 0 0648
23
m
mm
0 0015 0 0025
m
m
J
Refitting
Cylinder Bead
the
Ensure that the cyhnder head and cyhnder block Jomt faces are clean
The cyhnder head gasket IS mar ed Top so that It w1l1 be placed head
m
Place the gasket mto posltlon and
correctly
cyhnder head securIng nuts fmger tlght
Insert the push rods replacmg them m the
lower the
cyhnder
head mto
place
FIt the
posltlons from WhICh
they
were
taken
Screw back all the tappet adJustmg screws
down the securIng nuts fmger tlght
and
screw
head nuts
WIth
a
a
httle
at a
torque wrench
tlme
the order glven
m
set to
4S Ibs
Replace the rocker assembly
Evenly tlghten the eleven cyhnder
m
FIg 3 fmally pulhng them down
1ft
10
8
Flg
3
4
The Order
of Tighting
the
Cylinder
Head Nuts
Reset the valve clearances
hot
or
cold
and fmally check them when the engme IS not
cyhnder head huts may pull down shghtly more after the engme
nonnal workmg temperature m WhIch case the valve clearances
The
has attamed ItS
w1l1 have to be checked agam and reset If necessary
RefIt the mlet and exhaust manifolds
FIt the craburetor and reconnect the control
hnkage
Refit the
igrutlon
advance
suctIon pIpe to the connectlon on the carburetter
aIr cleaner or
place
it Vlll have
the rocker
cover
to
but do not at tlus stage refIt the
be removed later to check the valve clearances
Re
takmg
care
Place the thennostat and ItS
to fIt the cork
housmg
gasket correctly
posltlon and secure WIth the three nuts
ire and fIt the radIator hose to the ther
m
Reconnect the water temperature gauge
mostat housmg
Connect the cables to the
battery
Ensure that the ramator and
block dram tapes are closed and refIll the radIator
Clean and adjust the sparking plugs and refIt them chppmg
cyhnder
on
the
lughtenslon
order of the englne IS 1
3 4 2
Replace the chp wluch se
cures part of the electncal
whlnng harness to the SIde of the head
When the normal
The 19n1tlon can now be SWItched on and the engme started
leads
The
flnng
operatmg temperature has been reached swItch off and
remove
the rocker
that the valve clearances may be rechecked Replace the rocker
the lllr cleaner when the fmal check has been made
so
hne
Wlulst the engme IS
unlOns do not leak
running
Tighten
check that the
water
them If necessary
24
cover
co er
and fIt
hose connectlons and fuel
and
Removing
Remove the
Refitting Valve Guides
cylmder
head
Remove the appropnate valve and
spnng
Rest the cyhnder head wIth Its
machmed face downwards on a clean
surface and dnve the
gUIde
downward
mto the combustion space wIth a dnft
Tlus should take the form of
ened steel
When
punch
fItting
should be dnven
cyhnder
See FIg
a
hard
5
valve guIdes these
from the top of the
new
m
head
o
FIg
5
Hardened Steel Punch
j
Ftg
Renewing
In
head
to
a
an
Valve
emergency a
When domg tlus
ehrnmate any
Remove the
Spring
new
the
POSSlblhty
spark plug
4
Renewing
a
Valve Glade
in Position
can be fItted without removmg the cylmder
piston must be brought to Its T D C posltlon
of the valve falhng mto the cyhnder
Hold the valve onto ItS
from the cyhnder concerned
valve spnng
apphcable
seahng with the aId of a sUItable tool such as a bent screwdnver WhICh will pass
through the sparkmg plug onflce and locate on the valve head By usmg the rocker
shaft as a fulcrum pomt the spnng can be compressed with two screwdnvers or a
fork ended bar
WIthdraw the valve cotters and
renew
25
the valve spnng
dU
rod
lrlng
S
push in er
Nut
Call
Loestlni
asheI Plate
Vi
shaft
GEMl
JE
1
i
16
J
j 8
if
ln
eht
nut
sere
roeker
Bush
J
B
Adjust Valve
ni
ng
Colet
r
1
lIl
lllI
f
Pr
s
Rub er Outer
S
C
6
shaft
Fig
roeker
Valve
her
as
Bolt
e
l
0
t
t
r
1
o
flller
Iv
011
J
ffj
sf
Packlng
NUT @
lil l l l
WASHER
Outlet
elbow
Cover val
132b4 l
cker
bO
Rocker cover
packing
JOint
washer
Nut
Thermostat
Wa
iJ4
U
Jt
her
Slinger
GUlde
Gulde
Stud exh
ex
1n
rear
valve
valve
mamfold
Slinger front
@
Washer
ea
Nut
e
o
eO
jaO
Gasket
11044
cyl
h ead
30004
11044 0720 0
4 0 4000
10
F Ig
7
CYLI NDE R
27
e
HEAD
for
com
onom
for
com
ratio
8
Z
ratio
8
0
ratlO
7
b
and
Removing
Replacing
the
Tappets
Remove the carburetor and the
rocker
then take off the
cover
mamfolds
DIsconnect the
high tension
sprong plugs
remove the rocker assembly and
wIthdraw the push rods keepmg
leads frDm the
them
so
m
that
theIr respectIve pOSltIOnS
they
Will be
replaced
onto
the same tappets
Remove the tappet covers and
the tappets also keepmg
them m same locatIOns FIg
8
hft
out
New tappet should be htted by
assembly so that they fall
selectIve
the gulds under theIr own
wdlght when lubncated
Assembly IS a reversal of the
above procedure but car should be
mto
taken
are
are
to see
011
tIght
adJusted
that tappet cover Jomts
and that the rockers
give the
to
correct
valve clearance
Fig
Piston and
Dram the
8
Removing
a
Tappet
Connecting Rod Removal
coohng
water
from the engme and radIator
Dram and remove
the sump from the engme
then dIsconnect and remove the 011 stramer
Take
out the set screws and rock washers from the bIg ends and WIthdraw the caps
When used
are r placed after
It will be noted that the caps are off set
lrts
P
It
IS
essentIal
are
fltted
mto
theIr
ongmal pOSltlOns To en
dlsmanthng
they
sure correct refIttIng mark the caps and connectIng rods on the SIdes to Iden
tIfy
them
wards
together The pIston and
through the cyhnder bores
connectIng rods must be with drawn up
Release the connectmg rod from the crankshaft and
through the cyhnder bore
slowly push
the pIston
and rod upwa ds
NOTE
It may be necessary to remove the nng of carbon or hp from the top
of the cyhn er bore With a hand scraper to aVOld nsk of pIston nng
breakage
Remove the assembly from the top of the cyhnder block
Check the cranlcpms for ovahty wlth a paIr of mIcro meter calIpers
and examme the beanng surface for scormg either defect w1l1 neces
sltate
the removal of the crankshaft for
28
regnndmg
CONNECTING ROD
DIstance between center of
large end and small end
Large
end
tO 03 mm
144
bearmg
Type
ClevIte
Overall
length
FSOO
25 T7 3 25 527
mm 0 995 0 005 m
1 8288 1 8352 mm 0 072 0 0725 m
51 346 mm 2 015 m
Tluckness
Outer dIameter
WIdth of large end
26 8
End
O 203 0 305
of large end
play
mm
1 055
m
mm
0 008 0 012
m
dlmenslOn of mner
mameter of small end bush
Fmishmg
Standard
17 450 17 462
rom
0 6870 0 6875 m
CRANKSHAFT
Clearance of
phery
to
bearmg pen
cyhnder block hole
Matenal
Clearance of beanng
mam ter and crank
Olameier of
End
play
mam
of
mner
Journal
Journal
0 Ol3 0 050
White metal Block Side
Clevlt metal Cap SIde
O 0127 0 OS08
mm
0 0005 0 0020
183 50 825
mm
2 0005 2 001
SO
shaft
cranlc
mm
0 051 0 076
mm
m
m
0 002 0 003 ID
Crank pm dIameter
Standard
47 640 47 652
Olfference of crank pm
dIameter
End
play
when
flywheel
mm
Less than 0 012 mm
I 875 1 876
0 00048
m
m
was
mstalled
Less than 0 05 mm
0 002
In
The shell bearmg are removable by hand
The bearmgs are requIre no
beddmg m It IS bemg only necessary to ensure that the housmgs are scrupu
lously clean and dry and to place the bearmgs mto pOSltlOn WIth the tangs located
m theIr correspondmg slots
Always renew beanngs If they are scored or dam
aged m any way or foll9wiqg the regnndmg of the crankshaft beanng surfaces
In the latter case undersIze bearmgs wlll be required and the kmds of sizes avai
lable are 0 010 O 020 Q Q
and 0 040 etc
l
N
ttto
29
I
t
J
washer gear
ng
Lock
R
ng
BuSh
F1
n
NUt
SHA
P
NK
CRA
A
8t
Crankshaft
ON
S1
P
9
t
Fig
I
r
Flg
10
Crank
Shaft
PISTON
Replacing
Pistons
Insert each
and
Connecting Rods
pIston and connectIng
It IS essennal that the
taken
wards the camshaft
was
split
rod
111
assembly
mto
the
cylmder from which
IS positIOned to
It
the skIrt of the piston
and gently
tool FIg
11
the pIston nngs With msernng piston usmg
untIl the pIston
handle
a
hammer
end
of
ot the piston With the wooden
tap the crown
IS clear of the piston nng clamp
Compress
Flg
11
Piston
31
Adapter
push the piston down the cyhnder block untll the bIg end of the connectmg
rod Just protrudes through the bottom of the cyhnder bore then posltlon upper half
beaTIng shells
Now
NOTE
Each upper
lower beanng has two 011 holes there by ensuTlng
suffIcIent and It IS of the greatest Importance that the correspondmg OIl bole m the
beaTIng shell regIsters wlth the 011 way to provIde an unobstructed passage
Pull the connectmg rod onto the crankpln talang care not to mJure the beanng
lock
surface
Insert the shell mto the connectlng rod cap posltlon the cap and the
21
24
6
7
Insert the setscrews and ughten with a torque wrench to
mg washers
Ibs
ft
Fmally knock back the lock washers
and see that
Check the connectmg rod bIg end for Side clearance l lOoo m
when rotatlng the crankshaft
are not
on the
the shell
beaTIngs
If It
or
IS
gTlt
difficult to turn
bmdmg
bIg
undo the
crankpm
end and
examme
the shell and seat for dIrt
reassembhng always apply a httle clean 011 to the pISton surfaces and
surfaces
cyhnder bore Never file the connectmg rod caps or thelT matmg
creates ovahty m the bearmg
Before
mto the
as
tms
Removing
a
Piston
clampmg bolt from the small end of the connecung tod amI push out
21 lOC
gudgeon pm The gudgeon pm IS a push flt m pIston at 700F
When reassembhng ensure the gadgeon pm IS posltloned m tJ
le connectmg rod
Check that the spnng washer
so that lts groove IS m hne Wlth the clamp screw hole
IS
not
fItted under the head of the pItch bolt
damaged
Remove the
the
PISTON PIN
17
DLameter
447 17 452
mm
0 6869 0 687l
Over
SIze
5 1000
l7
m
574 l7
579
m
mm
0 6919 0 6921
m
17 706 mm
0 6969 0 697l m
10
1000
m
17 701
15
looo
m
17 828 17
833
mm
0 7019 0 7021
64 20 64 45
Length
mm
2 568 2 578
Clearance of pm and pm hole
Degree
fmger
m
to be able to
at
2OoC
0 003 0 010
Clearance of pm and connectlng
rod bush hole
mm
0 0001 0 0004
32
m
m
push
It
by
PISTON
AND
There should be
PISTON
BORES
a
clearance of 0 0010 0 0016
m
0 025 0 040
mm
RINGS
The pIston nng gap should be 0 008 0 013 m
0 203 0 330 mm when checked
bore
The
clearance
of
the
cyhnder
compressIOn nngs m theIr grooves
should amount to 0 0015 0 0035 m
0 038 0 089 mm and the 011 control nng
0 041 0 092 mm
0 0016 0 0036 m
m
IS
the
Because tl1e piston nngs 00 not travel to the end of the
eventually formed due to wear
cyhnder
bores
a
hp
ThIS may be checked wIth a dial gauge and must be removed
If thIS IS not
there will be a tendency to nOISY operauon or a fractured rmg caused by
the top pIston nng stnkmg the hp
done
PIston and nngs
In
D 762 mm
are
D 030
avallable
and D 04O
Ftg
should
over
always
the slurt
be fitted from the
Before
fittIng
0 010
m
1 Ol6
m
m
0 254
mm
mm
overSlzes
D 02D
m
mm
12
of the pIston and never pushed upwards
remove any carbon deposIt from the
note that the second compression IS tapered
crown
the nngs
When flttmg
grooves m the piston
type and od control nng IS slat type
0 508
The pIston nngs
processed by
33
chromlUm
plaung
REMOVING
Expenence has
smgle
mISSIon as a
shown that It
IS
REFITTING
much
eaSIer
umt than to detach the
to remove the englne and trans
engme by Itself
the engme and transmIssIon upwars proceed as follows
Completely dram the coohng system and the transmIssIon dIsconnect and
To
remove
the battery and ItS supportmg tray
Remove the upper and lower radIator hoses by undonng the retammg chps
DIsconnect the capacItor lead at the dIstributor also the hIgh tenslOn and
remove
swItch WIres at the COIL
Take off the
dynamo
lead and dIsconnect the starter motor cable at the motor
end
on
Remove the OIl gauge and water temperature gauge leads from theIr termmals
the engme
The throttle and choke controls must be dIsconnected from the carburetor
DIsconnect the fuel pipe from the tuel pump
Next remove the exhaust pIpe from the mamfold
From below the vehicle remove the gear change selector rod from
on
the tranSmIssion cas mg
O1sconnect the earth strap from the starter motor
the
lever
Remove the hand brake
control rod
supporting from transmIssIon
O1sconnect the speed meter cable from the transmIssIon
Uncouple the pro
of the transmlSSlOn
draw
the
shaft
out
shaft
I1
rear
axle
and
at
pml
fraqges
peller
be
To allow the engme and transmIssIon to be drawn forward
removed by undomg the four securjng bolts
34
the radIator must
Ftg
1
Ftg
2
35
7
i
f
t
l
i
l
self
lock
t
Nut
rJWasher lii
Bolt
r
Insulator
W
II
i1
Washer
I
H
L
NG
Washer
MOUNT
1
tut
Bolt
Nut
Washer
e
Bolt
rBolt
NE
lock
ENG
self
er Nut
a fSpacer bushing
g
0
3
Fig
OPERA TION
The
the
folloWIng
WITH
operatIons
are
THE
best
ENGINE
performed
REMOVED
WIth the engIne removed from
car
Although
engIne
m
It may be found possIble to carry out certam attentlons wIth the
It IS more convement to do the work on the bench
pOSIuon
Withdrawing Camshaft
The camshaft IS poSItIOned by a locatmg plate held by three screws and
Note the pOSItIOn of the small lubrIcatIng 011 hole In the
shakeproof washers
locatmg plate when replaCIng should be to the nght of the engIne
End play of O 003 0 007 m
0 076 0 178 mm IS controlled by the thIckness
of the locatIng plate and can be checked wIth a dIal millcator set agamst the cam
shaft gear
Before
wlthdrawmg the camshaft the dIstrIbutor and Its drIVIng spIndle push
and tappet WIll have to be removed
Remove the 011 pump and ItS dnve
shaft and take off the tImmg cover and gears
The engIne front mountmg plate
IS now accessIble and may be removed
by wlthdrawmg the setscrew and lockIng
rods
plates
The
dynamo
Take out the
shaft
can
swmgmg lInk must be removed
securmg the camshaft locatmg
setscrews
be WIthdrawn from the
CAMSHAFT
cylInder
plate
when the
cam
block
BEARINGS
WJnte metal
bearmgs
WIth steel
be taken out renewed when necessary
block IS bemg reconilluoned
lImng are used
It bemg usual
for the camshaft
to do thIS when the
They can
cylInder
The
beanngs can be removed by dnftIng them out of theIr housmgs
fIttIng new beanngs care must be taken to lIne up the 011 holes WIth the
corresponillng holes m the cylInder block
Tap the new bearIngs mto posluon and ream them to gIve a runnmg clearance
When
of O 001 0 002
m
0 025 0 051
mm
Refitting the Camshaft
reversal of the Introducuons for removal Cate should be taKen
to alIgn and engage the dnve pm m the rear end of the camshaft WIth
the slot m the 011 pump dnve shaft
TJns
IS a
however
37
tap
SCREW
lel
Ipt1n1
011
lY
plate
DOUDI1
I
tu
boos
SPRINV teln
lock
WASlER
fu
to
d
sCJlEW
VMHER
Y
u
it
l
yb
c
dd
ll
stlJI
II
PI
ott
OISl qld er
A
uPt
I1ll htt
1
to
Y
b
IoSS
d
S11l1l
ca
IoSS
1
p
b
I
u
fuel
fll
b
l5
P
j
1
pUJG
Y
S
te
cop in SnJD
wASKER
P
uAStT
OCKBl
INCYlDER
nt
h
SlAl
1
b
Fig
a
GAUGE level
dram
Y
l
ASS
o
COCK
lower
slze up er
metal
metal
scrantkandr
half
welch cyhnder block
caP
beang
b
bl
thrust mam
front thrust front cap
hx
to
otl
2OCk
WASHER
BEARINGshaft WASHER CAP beang WASHER SEALbeang
PLUG
6
B
BLOCK
T
BOL
ddle
5fCAP maln bean g Washer Bolt
m
NOCYlER
rear slde
I
oll
SEALbearmg
2
rear l
Fig
J
m
shaft Slze
case
galery ass
PLUGcrank
1
0
per
ta
PLUG
brasS
crank brasS relief hole
crankstand r
I
o
taper
hole
1
PLUG
0
se
PLUG vent
ca
D
BEARING
half
sldreaer Yl
10Ck
BOLT
W
A
S
H
E
R
SEAL bean g
beang
oll
fix
to
Main
Bearing Caps
Remove the
flywheel
and clutch
Take off the tImmg cham the sump and stramer and the engIne rear
mountmg
plate Unlock and remove the bolts securmg the main bearmg caps to the cylInder
block
also the two bolts securmg the front cap to the engme front bearer plate
a thrust washer IS fItted on each sIde of the centre mam
bearmg to
take the crankshaft end thrust
These thrust washers each consist of two semI
Note tha
cIrcular vRlves
one half
havmg a lug whIch IS located m a recess m the detach
bearmg the other bemg plam
flttmg new bearIngs no scrapmg IS reqUIred as they are machmed to tve
able half of the
When
the correct runmng clearance of 0 0005 0 002 m
0 0127 0 0508 mm
Ensure that the locatmg tangs are properly engaged m theIr recesses
Handle the new beaTings carefully so as not to damage the fme surface fmlsh
Remove all traces of dIrt and OIl from the housmgs and throughly
dry them
WIth a non fluffy rag
Make sure that the 011 ways are clear
When
the
fIttmg
bearmg caps
marked
Each cap
way round
and the marks should face the camshaft SIde of the engIne
ensure
that
they
are
replaced
the
rIght
1
I
o
I
I
I
FIg
3
Engine
40
Rear Sule
IS
punch
Cant i on
Never fIle the
bearIng caps to take up exceSSIve playas thIS wIll cause ovahty
Always
beanng surfaces WIth engIne 011 when they are replaced
The maIn bearIng caps are held In poSItIOn by set screws and lock washers
Pull the set screws up tIght WIth a torque wrench set to a loadmg of 75 80 lb 1ft
10 36 11 05 kgm
When refIttIng the maIn beanng caps tIghten the center one fIrst after each
cap IS tIghten rotate the crankshaft to ascertaIn that It revolues freely
If It IS tIght remove the last cap tIghtened and examIne the bearIng and Its
seatIng for foreIgn matter
Check the crankshaft end play by means of a dIal gauge
ThIS should be 0 002
cover
m
0 051
If
the
mm
run
It IS essentIal to clean out all OIl ways In the crank
Wash out the engIne sump and the straIner
Ensure that no partIcles of
The OIl pump should be dIsmantled and cleaned
metal
are left WIthIn the engIne lubncatIon
bearIng
system
a
bearIng
has
shaft and block
Fig
4
Removmg
a
Maln
41
Beanng Cap
Extractor
I
BRAKER POINT AND
IGNITION
TIMING ADJUSTMENT
DISTRIBUTOR
b
HItachI 0406 01
Type
IgnItIon tImIng
standard
10
at
Apparatus
of automatIc advance
Advance startIng
vacuum
before top dead
600
r
c
m
p
mt r
Y
Governor type
pressure
100
120
Hg
mm
1
F
Advance
angle by
pressure of 340
vacuum
mm
Number of revolutIon
start of advance
Max
advance
angle
at
9
Crankshaft
DIstnbutor
p
m
the
450
crankshaft
r
11
IS
at 2400
1
3
4
0 45 0 55
Dowel
50
angle
arm
sprIng pressure
IS a
m
Q QS
O 20
braker pOInt
as
mID
g
O 24 mfd
shown
m
FIg
and brakes contact several thousand tImes In one mmute
brakes contact a spark IS
generated In one of the
maIntenance of thIS braker must not be tre ted
0 018 0 022 tn
55
9
Condenser capacIty
InSIde the dlstnbutor
p
2
POInt gap
Contact
r
CounterclockwIse
cam
order
FIrIng
r
at
l8
6
angle
dIreCtIOn of
RotatIng
120
Hg
2TJns braker makes
Each tIme thIS braker
spark plugs
lIghtly Also
Therefore
the
because the tIme
durIng
whIch the IgnItIOn coIl current flows varIes WIth the
gap between these
braker pOInts see that thIS gap IS maIntaIned at the standard value wJnch IS 0 45
mm
0 018 to G 022 In
The
lker
brJ
pOInts must be kept free of grease and OIL
If the pOInts sl10uld
become burnt or blackened they are cleaned WIth a fIne
hOnIng stone or croucus
cloth after WhICh they should be wIped clean WIth a
pIece of cloth WhICh has been
dampened
WIth gasolIne
If the pOInts are badly burnt
always be replaced as sets
they
must be
replaced
Braker poInts
must
rI
Adjusting the Braker Points
To adjust the braker pomts turn the engIne crankshaft WIth the crank handle
untIl the braker IS fully open
Then loosen the braKer poInt fIXIng screw
Next
the
screw
move
the ilate untIl a feeler gauge of O 45 to O 55
by turnmg
adjustIng
w
42
M
Fig
I
DISTRIBUTOR
43
I
0 018
mm
to
Then
tIghten
FInllly
screw
Id
the
s
wIped
areas
between the braker pOInts
easIly
securely
check the gap once more
xteng5i zfto
Ig p
thIckness slIdes
InS
FIXIng
the cap
e
b
0 022
the
clean
wIt
between th
thel1
reInstall the rotor
as oft
The Intenor and
pIece of cloth extra attentIon
Clean the center electrode on the
dry
Inals
insloe of the cap also
11
not the vacuum tY
advancer IS functIOnIng
Wheth i
be determIned by the InspectIon pOInter located at the dIaphragm If
R
Sr
rifnIng
J
IS
beIng
run
advancer
IS
tJns pOInter moves when the engIne
speed
IS
suddenly
properly
can
the engIne
changed the
as
satIsfactory
1
I
Fig
2
ADJUSTING
The IgmtIOn tImIng
IS
Adjusting
THE
the Pomt Gap
IGNITION
TIMING
adjusted to 10 degrees before top dead center wIth the
FIg 3 WIth thIS adjustment the automatIc tImIng
advances the Ignmon tImIng even further at the tIme
engIne stopped as shown In
advancer of the dlstnbutor
the engIne starts to rotate
SUItable for the rotatIonal
and the
tImIng
IS
maIntaIned
constantly
at
valves
speed
WIth the engIne stopped adjust so that the dlstnbutor breaker pOInt Just
breaks when the pIston of the No 1 cylInder IS In It 10 degrees before top dead
center pOSItIOn for
If a tImIng lamp IS used
the standard IgnItIon
compreSSIOn
fIf
1
t
44
1
tImIng
IS
15
degress
before top dead
center at
In the case of marks wJnch are not
15
deg
the
and 20
folowmg
deg
poSItIons
procedure
1
FIrst
2
Turn the crankshaft
the
adjust
600 rpm
IdlIng
evenly spaced
before top dead
center
speed
pOInters IndIcate 10 deg
Adjustment IS made by
the dlstnbuter to the correct
gap as descrIbed
pulley penfery
prevIously
gradually untIl the top dead center mark FIg 3 on
cOIncIdes WIth the mark for 10 deg before top dead center
the tImmg gear cover as the crankshaft
approaches Its posItIons somewhat be
fore that correspondIng to the end of the compreSSIOn stroke of the No 1
pIston
on
Stop
can
the crankshaft
In
thIS pOSItIOn
be determIned If the
plugged
vIOusly
WIth
a
fInger
spark plug
The compreSSIOn stroke of the No
of the No
1
cylInder
and the crankshaft turned
mentIoned pOSItIOn the No
top dead center of compreSSIOn
Fg
3
1 pIston IS
Checktng
the
In
IS
removed
WIth the crankshaft
Its
posItIon
of 10
1 pIston
the hole
ill
deg
the pre
before
Igmhon 1imuzg
3
Next InsertIng the dnvIng shaft of the dIstrIbutor at aI1
angle to the engIne
engage the gear on ItS lower and WIth the gear on the camshaft
DurIng thIS
assembly place the slot of the dlstnbutor dnve of the upper end of the shaft some
what to the left as shown In FIg 5
At thIS tIme the smaller of the semI CIrcles
IS
placed
toward the front
45
i
l
Frg
4
t
1
Gear Mark
Setting of Timing
4
AdjustIng the dIreCtIOn of the rotor so that It engages the dnve shaft slot
mount the dlstnbutor to the engIne
Dunng tJns assembly the dIreCtIOns of the
dlstnbutor and rotor must be as shown In FIg 5
At the same tIme the breaker
must be In Its pOSItIOn when It IS Just
COInCIde
they
are
made to do
so
begInIng to open
by slIghtly turnIQg the
If these conmtIons do
dlstnbutor
not
body only
To determIne the posItIOn when the breaker pOInt IS Just
begmIng to open turn on
the IgnItIon key hold the end of the No 1 spar
sord about 1 4 Inch away from the
tcylInder head and turn the body untIl spark Jumps across the gap
The off set slot posmon of the dnve shaft when the No
pressIOn top dead center pOSItIon IS shown here
S
6
Next put the dlstnbutor cap on and
1p It securely WIth the clIp
c1al
To the No 1 spark plug connect the cord from the termInal to WhICh the
J
of the rotor
Ithe
J
7
1 pIston I S In Its com
IS
lter
cou
c1ock
wlse
Upon completIon
engIne should
Thereafter
pOIntIng
now
order
so as to
ofthe wlrmg
start
connect
the
terIJIInal
obtaIn a 1 7 3
cover
4
cords
2
to
fIrIng
the dIstnbutor WIth
a
theIr
a rm
spark plugs
order
rubber cap
The
preyperly
OrdInarIly the pOInter of the octane selec 9r If set at ItS zero readIng dUrIng
the Ignmon tImIng adjustment
If the octane nmber of the fuel beIng used IS low
and the engIne knocks the poInter IS adjusted to the nght R to the optImum advance
angle
46
tl
I
t
FIg
5
Assembly Angle of Drive Shaft
Dlllstnbutor shaft
C DIstnblltor III Ive shaft
@Dlstnhutor fIxing plate
Conversely
If the octane number IS hIgh the poInter IS adjusted to the left A
One UnIt of calIbratIOn of the selector corresponds to 2
deg of the dlstnbutor
angle and to 4 deg of the crankshaft angle
When a tImIng lamp IS used the standard settIng IS 15
deg before top
dead center WIth the engIne IdlIng 600 620
In any case the optImum ad
Justment IS that In whIch a slIght mockIng IS heard when WIth the car runnIng
at
low
speed
In
HIGH
TOP gear
acceleratIon
47
IS
applIed suddenly
c
48
SPECIFICA TIONS
20
30CE
Type
PrImary
Secondary
Bore dIameter
28mm
30mm
Ventun dIameter
21 8
25
Mam Jet
96
Mam
aIr
breed
Slow Jet
Slow
aIr
FIrst
Slow
aIr
Second
EmulsIOn hole
Slow
mm
14
7
mm
l1S
80
60
48
48
100
l20
220
er
60
x
10
econcrnlzer
20
x
2
Power Jet
60
x
14
55
Power valve
BegInS
to open when the prImary throttle
valve IS at 480 opemng
Float level
19
mm below the upper surface of the
float chamber body
The carburetor has the functIon of atomlzmg the fuel mlxmg It In SUItable
supplymg the mIxture to the engIne
It IS therefore an Important part WhIch can Influence the
performance of the
raUo to aIr and
engme
The Model 20 30C carburetor IS a hIghly effICIent carburetor of two barrel
two
step and down draft type haVIng the follOWIng specIal features
y
Construction and Operation
J
FJg
49
1
a
Secondary
SIde
D
@
@
@
@
@
Pnmary
SIde
Secondary
Flg
2
Flg
3
Body assembly
SIde
@ AuxIlIarv throttle valve
@ Throttle valve
Ventury
Float chamber
Throttle shaft
MaID jer
@By
pass hole
Q Slow let
@VenturI
@ AusIlIary valve shaft
@ MaID jet
@Mam aIr bleed
@ Pump mjector
@ Out let valve
@ Inlet check valve
@ Power valve
@ Pump p ston
MaID jet carner
Float chamber cover
@Float
@ MaID aIr bleed
@ Air bent pIpe
@Choke valve
@ Choke control hnk
@ ConnectlDg rod
G Choke wire blacket
@ Throttle Wire blacker
@ Lower body
AIr vent hole
@ Pump p ston return spnng
@ Connect 109 rod
50
Main
Carburetting System
The fuel
of the passage at the bottom of the float chamber passes
wIth the aIr commIng from the maIn
Jet and then mIXed
drops and Inject Into the ventun through the maIn nozzle
out
flOWIng
the pnmary
bleed to be mInute
When the throttle valve
maIn
through
aIr
gas
Into
the
acceletIng
mIxture
IS wIdely open and the engIne reqUIres dense
where the fuel also flows
Its
valve
from
opens
power
pump
the maIn system
The power valve
begIns
to
operate when the throttle valve opens 48
from
full closed posltlon
Slow
Speed System
from maIn lIne and
PassIng through the maIn Jet the fuel passage separate
fIrst
slow economIzer
through the slow Jet slow aIr bleed
flows
slow
aIr
bleed second and Inject from the by pass holes and Idle holes
Accelerating System
Mechamcal acceleratIng pump synchronIzed wIth the throttle valve IS adapted
the pIston rod IS pushed up WIth the lInkage
wJnch
IS open
When
the
the
IS
pIston
commIng
dumper sprIng
pushed up the pIston through
down the Inlet check valve closes the out let check valve opens and the fuel WIthIn
the pump IS blown out from the pump Jet by the compressed dumper sprIng and
hItS agaInst the SIde wall of the small ventun to be mInute drops
compensatIng
A JettIng amount of the fuel can be vaned WIth
tranclent sparseness of the fuel
the two holes provIded on the pump arm that IS the InsertIng poSItIOnS of the
When throttle valve
connectIng rod
Starting System
The choke valve IS
normal carburettIng
choke IS fully closed
provIded wIth the spnng and Installed eccentncally on the
synchrOnIzed wIth the throttle valve When the
deVIce and
full
the throttle valve opens about 14 from a
close
ThIS
The synchrOnIzatIon of the choke valve
the best CondItIOn to start operatIon
and the throttle valve can be exactly maIntaIned often the engIne has started flnng
IS
Fig
51
4
@ Choke control Itnk
@Connectmg rod
@Choke wIre blacket
@Throttle WIre b1acket
cgStartmg coo rod
8Auxlltary lever
@StartIng
8 SprIng
throttle lever
@ Throttle adjustIng screw
@ Con rod
8 Throttle wire clamp
@ Throttle lever
o Scale
@ Idle adlust screw
POWER
Main
Q
O CJ
FIg
CA RBURETTING
6
5
FUNCTION
Carburetting System
the normal carburettmg functIon the fuel flOWIng out of the passage
at the bottom of the float chamber passes through the secondary maIn Jet and be
the maIn aIr bleed and IS
come minute drops mIxmg wIth the aIr comIng from
Same
as
blown Into the ventun
through
Fig
6
the
maIn
nozzle
Carburetor
Model
Nikki 2D 30C
and the
When the throttle valve of the normal carburetor IS wIdely opened
the
carburetor
throttle valve of
begIns
power
engIne produces hIgh power the
the sunchronIzed lInkage
an aUlulIary
at the top of the power carburetor throttle valve IS
load of the
valve wJnch IS not open at a slow speed WIth a heavy load due to the
to open
by
However
52
the valve shaft even when the throttle valve IS open
When the engIne change to stIll hIgher revolutIons the aUlohary valve open
and the power carburetor starts operatIon
the loat of the counter
counter
weIght
connected
to
weIght
agaInst
for Jngh power
When the normal carburetor throttle valve
IS
In
a
full open
the
power craburetor throttle valve IS also to be In a full open
Float Chamber
of WhICh IS made of glass of facIlItate
marked lIne of cover of It
Adjustment
for InspectIng InSIde
valve
from
outSIde by addIng or subtractIng the needle
of the float level can be done
valve
Installed
at the Inlet connector
the
float
needle
carner gasket after removIng
and pressure
As ventIlatIon WIthIn the float chamber IS of a aIr vent method
how suctIonal
constant
no
matter
WltIDn the ventun and the float chamber IS always
be
fuel
can
economIcally
vanes
always
consumptIon
of the aIr cleaner
prOVIded cover
condItIOn through the
The float chamber IS
reglstance
mamtaIned
@ Pump arm
@l Float valve sheet gasket
@ Float valve sheet
@ Umon bolt
@ Banjo umoo
valve
8 Needle
o SprIng retamer
o Needle valve sprIng
wIre clamp
@l Choke
FIg
Adjusting
7
Fuel Level
Float level
the
Float Chamber
IS
shown
on
the float chamber cover WIth the lIne
top to WhICh fuel IS to be
body
addmg or subtractIng
AddItIOn
down about 1
or
adjusted
AdjustIng
19
the float level
mm
IS
below
done
of float valve seat needle valve carner
subtractIon of 2 numbers gasket make the float level up or
the
gasket
mm
53
by
Accelerating Linkages
l
8
PIg
rDJ IS adjusted to 86 5
tIghten surly after fIXIng
DImensIOns of
The
nut
must
DROll
by rod and adjustIng
the dImensIon of
J
rD
mm
@AdJustmg plate
PIg
54
9
@Nut
plate
FUEL SYSTEM
The fuel tank has
luggage
a
capacIty of 41 0 htres and
The fuel pump
supply
operated
Draining
of the
the
Fuel Tank
large
and effIcIent aIr cleaner fIlters the
GASOLINE
SItuated
IS
draIned
Gauge
on
screws
TANK
Fuel
by
turnIng the wrench
operated
Fuel Tank
1
Securing
the top face of the tank IS the gauge
WhICh secure the UnIt to the tank not
electncallead beforehand
thIS may
also applIes when
dram cock
Unit
Fig
as
A
to the carburetor
The fuel tank
lever
rear
off the camshaft draws fuel from the tank and forces
THE
the set
SItuated at the
compartment
It Into the carburetor float chamber
aIr
IS
Care must be taken
effect
serously
refIttIng the
subsequent
UnIt
not
gauge
To
forgettIng
remove
wlthraw
to dIsconnect the
to straIn or bend the float
readmgs
Remember thIS
UnIt
ExamIne the JOInt washer to ensure that It IS In pOSItIOn and undamage
IS essentIal as the JOInt between the tank and gauge unIt must be fuel tIght
ThIS
55
cap
a
y
Breather tube
Band
front
Band
Fuel tank
for
sedan
rear
1
Conne
tor
Gauge
ass
Screw
y
NUT
Gasket
Tube to
gauge
tube
Washer
Grommet
strainer
Plug
e
Grommet
Tube to
strainer Screw
aSher
WAGON
Gauge
Gas
ket
j
Bolt
Gi
Washer
Jolnt washer
e
raln
Fue
tank
for wagon
Fig
2
FUEL
TANK
56
MOUNTI NG
plug
Troubles and
A
Repairs of Gasoline Tank
When Fuel Leaks from Gasoline Tank
or damage IS found In the tank
repaIr or replace It
chalk
at
the
marks
WIth
To make repaIrs put
leakIng poInts and even after
the fuel in the tank has been draIned out blow WIth compressed aIr through the
tank to force out
vapor completely
RepaIrs should be done only
When a crack
dIstortIOn
stagnant gasolIne
completely dry
the
Leakage IS ordInarIly mended by soldenng When weldIng IS necessary
OtherwIse there wIll be danger of
above precautIon must be strIctly observed
explosIOn
when the tank
B
IS
When Gasoline Fails to Reach Gasoline Strainer
if the fuel falls to reach the gasolIne straIner when there IS some fuel left In
the gasolIne tank and the operatIOn of fuel pump IS known to be satIsfactory check
the
follOWIng
pOInts
When It IS dIffIcult to confIrm the delIvery of fuel at the straIner
connector at the fuel Intake of the carburetor
loosen the
Check to see If gasolIne pIpe IS
clogged WIth dust and dIrt ThIS can
be eaSIly checked by dIsconnectIng
1
the connector of the pIpe and blow
Ing wIth compressed aIr toward the
Then from the
dIreCtIOn of the tank
tank end blow the pIpe agaIn and
clean the pIpe
in many cases the tIp of gasolIne
Intake pIpe of tank UnIt IS clogged
WIth dust and
water
Therefore together WIth cleanIng
of the pIpe the Intenor of the tank
should be cleaned by removIng the
at the bottom of the tank
draIn
plug
Check to
see
If the
gasolIne
of the tank unIt IS so bent
to reach the fuel surface
as
pIpe
to fall
The standard pOSItIOn of the bottom
end of pIpe IS about 3 4 In apart from
the bottom
suckIng
In
order to prevent Its
on the tank bot
up sedIments
tom
normal remove tank unIt
adjust the bend of the pIpe
if
and
Fg
3
jllnlt gauge
Z Fuse
@Fuel gauge
Wiring of Fuel Gauge
not
Check too seelf the vent hole of the
IS clogged wIth dust and mrt
fIller cap
@ IgnltJOO switch
supplymg
AccordIng
not
Ammeter
@ Battery
aIr lO
the tank
to the degree of vacuum
WIthIn the tank fuel cannot be drawn
fuel pump
up even by the operatIon of
57
So be
sure to clean the aIr vent of the
cap
If you should lose the cap and substItute a wooden plug for It a measure
whIch IS sometImes wItnessed the COndItIOn mSlde of the tank becomes the same
as
though It were sealed up Always use only the standard cap
Operation
and
As shown
The dash
cross
of a
Gauge
FIg
In
UnIt
each other
keeper
of Fuel
Repairs
at
3 the fuel gauge consIsts of the dash UnIt and tank unIt
wmch IS Installed on the Instrument
panel has two cOIls that
nght angles whose magnetIc forces control the movement
pIece WIth a hand IndIcator
On the tank UnIt a contact arm slIdes over
float level
Iron
As shown
electnc
then
In
current
through
CoIl A
FIg
3 If the IgnItIOn SWItch
IS
a
resIstance In response to the
turned
wIll flow from the
battery through
the ground
the contact arm to
then magnetIzed attracts the
IS
Iron
the
pIece
on
when the tank
ammeter Into
IS empty
coIl A and
and the IndIcator pOInts
to E
As the float
IS
raIsed and the
tank UnIt Increases reSIS
contact arm moves
tance In the CIrCUIt and thus the current wmch traveled
through COIl A then flows
tms tIme both contact arm and coIl B and fInally to the
ground
As both A and B cIls are so wound as to have theIr
magnetIc poles In the same
dIrectIOn the Iron pIece wIll rotate to the dIrectIon where the
magnetIc power of
the two COIls can be balanced wIth the IndIcator
deflectIng In the dIrectIOn of F
That IS thIS IS a gauge of electnc resIstance control
E
Empty
level and F
Troubles with Fuel
When
somethIng
SIgnIfIes
type
Full level
IS
Gauge
and their Remedies
wrong WIth the
readIngs
of he fuel gauge
IgnItIOn SWItch
connect the wlnng at the UnIt and
turnIng on the
ground the termInal end of the saId wlnng to the
If the IndIcator of the dash UnIt SWIngs
fIrst dIS
ground
and
un
body of the car
actIvely between E and F the wlrmg
between the dash UnIt and the saId termInal end IS In
good condItIon WIth the de
fect eXIstIng either In tank unIt Itself or In
poor ground of thIS UnIt
In the test mentIOned In the
preceedIng sectIon If the IndIcator does not SWIng
but
IS
moves to E when the dash UnIt end of the
wlnng from the tank
the wlnng between the dash UnIt and tank UnIt IS defectIve
Therefore reWIrIng or repalnng IS
It moves
UnIt
grounded
requIred
If
when IndIcator flals to swmg but sparkIng IS observed when the
WIrIng
connectIng the battery wIth the termInal on the dash UnIt IS dIsconnected at the
dash UnIt end and grounded It proves the
wirIng IS satIsfactory and the trouble
IS In the dash UnIt Itself
If
order
sparkIng
does not
should be
occur
repaIred
or
the WIrIng
case
adjust
the
Troubles with the UnIt
IS
thus IndIcated to be out of
replaced
Incorrect readIngs of the IndIcator
of the tank UnIt IS m error
In thIS
wmch
heIght
are
probably
of the float
dIffIcult
to
S8
that the
by bendIng
repaIr
unIt
means
so It
heIght
of the float
the rod
should be
replaced by
a new
In
checkIng the
battery
between the
tank unIt
and the
be
sure to Insert a
fuel gauge
In
the CIrcUIt
unIt
FUEL
STRAINER
Instruction for Disassembly
To
remove
the bowl from the
body
sIde
Take off the bolt
nut
WIre to a
gasket
and
The
Pay
are
nut
and
remove
the
screen
straIner
threads of each
bowl
loosen the straIner
and washer from the wire and remove bowl
body
IS
made of alumInum
alloy
Take
good
care
not to break
connectIOn
attentIon not to
tIghten
the
straIner nut so
excessIvely
that the
gasket
and
broken
InstallIng the straIner assembly the stramer bracket should be cleaned
suffICIently Dust and dIrt on the bracket surface prevent plug from keepIng aIr
tIght
When
V
l
4
13
1
12
e
CD Plug
@Gasket
@CheLk valve
@ Packmg
@ Stramer
@Ilody
@Washer
screen
Glass
Flg
4
@ Bracket
@ WIre
@Nut
@ Bolt
@ PIpe term mal
Fuel Strainer
59
Assembly
FUEL PUMP
screw
Angle
washer
connector
Rocker
arm
side spacer
Rocker
arm
pin
Hand pnmer
lever rod
Rocker
arm ass
Rocker
Rocker
Fig
5
COMPONENT
OF
60
FUEL
arm
arm
PUMP
y
r
pln
side
spacer
FUEL PUMP
Type
DIaphragm
Method dnven
Dnven
DIaphragm
legnth
Length In use
Free
camshaft
spnng
Free
Rocker
by
pump
arm
and
36 5
18 mm
tensIOn
O 1
16
mm
o 1
kg
spnng
30mm
length
Valve spnng
Free
length
95
ThIckness of valve
mm
1 6mm
Performance
Max
quanuty
1 300 cu cm
dIscharged
per mInute at 1000 r p
500 mm In suctIon heIght
of cam
Max
pressure
Max
degree
dIscharged
llO l30
mm
In
m
mercury column
of suctIon
vacuum
More than 400
mm
80
20 strokes
m
mercury column
Hand pnmer quanty
dJscharged
The fuel pump
whIch
JS
of the
cu
cm
at
dIaphragm type
IS
dnven
mechamcally
by
the
eccentnc pan of the camshaft of the engIne
It draws gasolme from the tank and delIvers It under pressure to the carbure
tor
Even when the engIne IS not runmng fuel can be delIvered under pressure by
moVIng the hand pnmer up and down
By the rotatIon of camshaft rocker arm IS pushed and pull rod of dIaphragm
IS pulled down
At the same ome
pushed
By
dIaphragm
goes down agamst
up agam by ItS spnng
the movements of the dIaphragm and
and outlet of the pump chamber
gasolIne
IS
dJaphragm
functIonIng
spnng and then
of the valves
drawn up from the tank
at
to
IS
the mlet
the carbu
retor
If the float chamber of the carburetor contams enough gasolme and the needle
IS closed
gasolme IS not allowed Into the carburetor
Thus gasolme IS stored In the pump chamber and due to ItS pressure the
dIaphragm IS kept down and cannot return
Under thIS COndItIOn the rocker arm works In vaIn as the rod remaInS low
valve
The rocker
pushed agamst
drm
spnng
serves
to prevent nOIse
the eccentric of the camshaft
61
keepmg
the rocker
arm
Disassembling
Inspection
wIth fuel pump Installed on engme
SWItch off and stop the engIne
DIsconnect the fuel pIpe at the mlet unIOn of
the carburetor and then turn the engIne wIth the crank handle
Now the gasolIne should be ejected vlgorounsly from the tIp of the pIpe once
Checkmg
every two rotatIOns of the crankshaft
To test the functIon of the pump alone
checkmg
the fuel eleCtIon IS
enough
Removal from engIne
Fuel pump can be easIly removed
and
loosenIng
operatIon of the hand prImer and
by dIsconnectIng
the mlet and outlet
UnIons
the 2 attachment nuts
1
the
1
InspectIOn prIor to dIsassemblIng
Pnor to dIsassemblIng of the removed pump measure the dIstance between
rocker arm and flange of the lower body by means of a scale and see If the
rocker
rocker lInk and pms
arm
Method of
are worn
dIsassemblIng
FIrst WIpe dIrt off the outer surface of the pump and put marks on both the
upper and lower bodIes to make theIr reassembling easy
It IS easIly separated Into two when the fIVe screws around the upper body
are
loosened
Take great
care not
to
damage
Wash the dIsassembled
Replace
Replace
the
a
dIaphragm dUrIng
thIS
dIsassembly
of Parts
Repaues
Checking
the
parts well
In
gasolIne
then Inspect them
ImpregnatIon by gasolIne
faulty operatIOn IS detected
unavOIdably reqUIred the lImIt for repaIrs of warp
dIaphragm If any damage
valve assembly If any wear
Even If repaIrs are
wear of the valve IS 0 001
or
In
When the surface of the valve seat or valve IS found Irregular
valve seat of the outlet and dress the surface WIth a fIne OIlstone
In
case
be taken off
of
Irregulanty
from the body
or
remove the
of the seat surface of the Inlet valve whIch cannot
recondItIon It wIth a cutter and grIndIng tool
When the surface of the valve IS faulty
pound on the surface of a flat pIece of glass
place some very fIne gnndIng com
plate and gnnd It lIghtly wIth the tIp
The standard thIckness of the valve IS 1 6 mm
The hole of the JOInt parts of dIaphragm shaft and lInk may be worn to some
extent
ThIS IS not serIous but when serIOUS eccentrIC wear crack or break
the part must be replaced
IS
found
age
of
As a remedIal measure such wear can be compensated for at the tIme
thIck
made
of
of the
and
InsertIng a packIng
of
a
fInger
dIsmantlIng
reassemblIng
body
by
paper between the lower body and dIaphragm to
dIaphragm shaft wIth respect to the lower body
raIse
the relatIve
posItIon
The rocker arm should be replace when ItS contact face wIth the
that WIth the lInk and Its pIn hole are senously worn
62
cam
of
and
When ItS re employment by recondltIOmng IS unavOIdable
the rocker arm and lInk by weldIng and fInISh them WIth a fIle
last
long
and
IS no more
Renew the
arm
than
a
pIn when It
temporary measure
IS found worn
excessIvely
The
dIaphragm spnng arm spnng seldom become faulty
always with standard ones
If the dIaphragm spnng IS too stron It results In overflow
replace
add matenal to
but tms cannot
but when weakened
them
of the float cham
ber of the carburetor
The tenSIOn of the spnng must
not
be
strengthened
or
weakened
arbItranly
hand
by
Check
and
after
to see
If there
dIsassemblIng
Reassembling
IS
any warp
IS over
the JOInt surfaces of the cap and
the gasket to keep ItS alr
on
body
tIghteness
renew
Installing
standard sprIngs for the varIOUS uses as stated before
Install valves precIsely for close contact wIth theIr respectIve seats
In screwIng In of upper and lower bodIes and
dIaphragm fIt them together
accordmg to the marks WhClh were put before the dIsassemblIng and alIgn one
Employ
screwmg hole
IS
fully pulled
mate
and then
down WIth the rocker
to Its
screw In at
pushed
arm
the pOSItIOn where the dIaphragm
towards the SIde of the
body by
and pressure
Do not screw
the
In tIght one
by one SInce It causes warpIng lnstead clamp all
loosely and umformly
tIghten them dIagonally and lastly re tIghten all of them In order to make
screws
Then
round
sure
As
a
general
InstallatIon
Be
rule
on
sure to set
properly
not
gaskets
the engIne
the rocker
IS
should be
done
arm so
In
replaced by
the
that
It IS
the rear SIde or to one SIde
block and pump WIth
a new
standard
reverse
new ones
order to that for
contactIng
Replace
the
dIsassembly
the eccentrIC of camshaft
gasket
between the
cylInder
one
Checking Function
When repaIrs of the pump
a check to see
IS over
or
before It
IS
Installed
on
the engIne
make
When
mounted
a vacuum
on a
revolVIng
tester
gauge IS connected to the pump Inlet port and the pump IS
the rocker arm IS actIvated by the eccentnc of the camshaft
1000 rpm
at
of mercury column
mm
rema1l1
tt
should
more
Then the gauge pressure should nse to
and even If operatIon IS dIscontInued
mgher
than 400
thIS condItIOn
than 3 seconds
not avaIlable
test In the follOWIng way
Clost the Inlet port and outlet port wIth fInger tIps
Then after operatIng
the rocker arm several tImes suddenly release the fIngers
The pump IS 11good
When
a
gauge
COndItIOnS If
3
to
or tester IS
5 seconds thence
there
can
be heard
strong Inlet and outlet
respectIvely
The pump IS mechanIcally fIt for use when by connectIng a hose
port It IS able to draw up gasolIne from a heIght of more than O 5 m
InstallIng the pump test ItS functIOns dunng operatIon
nOIse
63
to the Inlet
After
A
Connect the gasolIne pIpe on the Inlet post sIde only
Leave that on the
outlet port sIde as It IS and turn the engIne 6 to 7 rotatIons by means of the crank
handle and make sure that there IS sure outflow of gasohne from the outlet port
B
JOIntS
of aIr
Connect the
Then
or
turn
gasolIne
gasohne pIpe to the outlet port SIde and ughten all the pIpIng
the engme agaIn several tImes to see If there IS any leakage
from each connectIon
v
64
f
INSPECTION
AND
ADJUSTMENT
OF
ENGINE
and for
The engIne must always be operated In the best possIble condmon
tms purpose penochc InspectIon and adjustment must be maIntaIned In a certaJD
order whIle In use as well as after overhaul
Order of
Check the
1
2
of
3
Inspection and Adjustment
water
coohng
all
Inspect the battery
electrolyte and voltage
Inspect the OIl amount
4
CleanIng
of
spark plugs
water
level and
connectIons
fIlthIness
and
of
Engine
extent
level of
of fIlthIness
electrolyte
specIfIC gravIty
classlflcanon and VISCOSIty
adjustment
of theIr gaps
The standard com
5
Measurement of compresssIOn pressure of cylInders
163 lbs per sq In at 350 r p m
preSSIOn pressure of the engIne IS approx
see FIg
1 FIrst
Measurement of pressure IS made In the follOWIng manner
remove all
of
water
800C
then
70
warm up the engIne
temperature
coolIng
and
out the throttle knob all the way that IS In the carburetor
spark
pull
plugs
the throttle valve and choke valve
fully opened
press a compres
gauge agaInst each spark plug
hole and runnIng the starter
motor WIth a fully charged battery
are
SIOn
read the
motor
be made
pressure ob
8 rotatIons of the
maXImum
tamed WIthIn 5
Tms measurement must
as
qUICkly
as
pOSSIble
It the compreSSIOn pressure
of anyone cyhnder dIffers by 10
lb
sq In or more from that of
another the cause must be m
vestIgated
6
Check and
adjust
the dlstn
butor
If the breaker contact pOIntS
have defectIve contact surfaces
dress them and adjust the gap
to O 45 0 55 mm
Fig
1
CompressHm Gauge
Also turn the cam of the dIS
tnbutor clockwIse and check to
see
If the governor
can
carry out
advanCIng
functIon
Adjust Ignmon tImIng correctly
can be checked
By unhzmg a power tImIng lIght the functIon of the governor
WIll
enable
to m
of
carnk
IllumInatIOn
pulley
together wIth the IgnItIOn tImIng
T D C
2
of
the
and
tImlllg
8
condItIOnS
of
runnIng
advancmg
spect the
7
0
8
9
InspectIon
Adjust the
of fuel pump and gasolIne straIner
slow settIng of carburetor
65
10
Checkmg
operatIon of generator
Check the generatIng condmon and
of IndIcatIOns of the ammeter
11
AdJu
12
Adjustment
l3
Road
ment
of slack
In
functIonIng
of the cut
out
relay by
means
fan belt
of valve tappet clearance
test
WhIle
dnvIng In 3rd speed at about 25 km fhr
suddenly step on the
If only a slIght knockIng results the IgnItIOn tImIng IS correct
Slow speed adjustment IS made so that the
when
speed IS about 15 krn Ihr
dn VIng In 3rd speed
accelerator
Diagnosing of Engine by means
Gauge and Combustion Tester
of Vacuum
In dIagnOSIng the engIne
the COndItIOn of each
cylInder can be assumed by measunng ItS com
preSSIOn
For employment of a vacuum gauge
It to the
engIne Intake manIfold and refer
connect
to
FIg
2
The
In
use
2 IS
FIg
When
a
of
a
master motor tester as shown
convement
combustlOn
tester IS
used
Install
a
speCIal
Intake pIck up In the exhaust tube and
after the engIne has been started analyze
by
means of a
speCIal gauge the combustIon gas
WhICh flows
tester
and
through the connectIng hose Into the
Judge the combustIOn COndItIon ac
to the mIxture ratIo of fuel and aIr
When measurement IS to be made In
raInyor cold
cordIng
weather
use an aUXIlIary condenser between the
and
the meter otherwIse the exceSSIve
pIck up
mOIsture m the exhaust
gas WIll damage the func
tIonIng of the meter
If
permItted
to enter It
FIg
2
Motor Master Tester
Available
for
4
6 and 8
Cylmder
EngJne
When
a
tester IS to be used
make
adjustments accordIng
to the
follOWIng
table
Condmons
Low
WIthout
load
SUItable
Speed RunnIng
600
r
p
70
r
p
RatIo of MIxture
i 2
m
HIgh Speed RunnIng
2 000
WeIght
85
m
66
5
2
Engine Trouble Shooting
FIg
3
IS
Intended
be of
to
aSSIstance In
the systematIc
and Isola
analysIs
tIon of symptoms of engIne troubles so that the defectIve pOInts
may be
traced and
accurately
economIcally repaIred
6
1
When Indicator drops by
several IDches at certain
Normal condition
Settles between 1820
In
time
valves
are
burnt
7
2
When Indicator
Normal condItion
When Indicator
behveen
as
a
fluctuates
range of 0
engine
and
19
valves
raced
are
2
about
In
25
Faulty
In
drops by
valves leak
seatIDg
of
valves
In
rings
good
conditions
8
3
When
Even
If
IndIcator settles
If readIDg IS low nngs or
OIl are nfaulty cond tlon
Indicator
OSCillates
14
actively between
18
In
worn
end
valve stem gUide is
out
9
4
When above
3
condition
eXists IDdlcator w1I1 sWIDg
to 0 In If engIne IS raced
Wben With
tng
Up
between
With
a
11122
IDcrease
range
shght speed
IndIcator
end
of speed
becomes
valve springs
moves
ID
are
the
larger
weak
10
5
When Ind cator sometimes
drops by
4
In
or so
valve
stlckIDg eXists
67
When mdlcator
remaIns
stllJ between 8
15 ill it
IS because
eIther valve
bmmg IS retarded or vslve
clearances are notcorrect
14
11
When
When Indicator settles bet
ween
14
timing
IS
17
Indicator oscillates
regularly between
Ignition
10
519 In
there Is leakage at cylm
der head gasket
Faulty
retarded
c1ampmg
12
of gasket
15
When Indicator
moves
When Indicator first
rises
slowly between
1416 m
high drops down
zero
to
It Is because eIther elect
and tben returns to 16 i1l
rode gaps of plugs are too
narrow or breaker pomt
mufller
IS
clogged
defective
16
13
When md cator
5
IS
111
or
leskage
at
below
points
to
there
is
When mdlcator
slowly between
carburetor
intake manifold
is
moves
I3 171n
poorly ad
justed
gasket of carburetor
Faulty clampmg of gas
or
ket
FIg
3
Dlagnosmg
EngIne by
means
of a
Vacuum
Battery discharged
Gauge
or
CODDectloDS
poor
T mmg poorly adjusted
AIr bplDg sucked
l
1
o
a
Cl
i
to
0
1
Il
spark
rPIug
Plugs do
not spark
In
Plug sparkmg weak
Wlrtng
SpBrklngat termmals
t
Tlmmg
Sbort
mcorrect
In
CIrcuit
IgnItion coil
Nosperk
or
condenser
defective
pomt dllty
mg at ter
mllll ls
Incorrect
Plugs dirty
Breaker
defectIve
Econtact
Pomt contact poor
Breaker
j
arm
insulatIOn defectIve
Rotor shorted
l
r
N
mOD
Stramer defective
Pipe clogged
No gasobne in carburetor
Float valve sllckmg
No
air can
enter
tank
Fuel pump not operatIng
68
No
0
Compres
8
sion
l
l
LLubr
gasohne supply stopped
or
cat
on
Ulsufficlent
A Ir beIng sucked
good
Plugs
spark
gasoline
Engine seIZed
Carburetor
free of
trouble
Jet
or
10
clogged
sunk
Eloat
Carburetor
defective
p pe
Float
In
high pOSItIOn wIll
arburetor attachment not
l
Piston nng
f
l
COmpressIOn
o
t
poor
Plston
r
Breaker
I
spark
109 from
cOIl hne
valve
or
arm
80ntact
IgDlhon coli
good
8lstr
ap
IOsulatlOn defect
Cord shorted
or
Wiring shorted
I
COIl hne
Trouble
condenser
or
defective
butor wet
do
Plugs
not spark
A
defectIve
spring
Rotor shorted
LBreaker
form
sticky
connecting rod broken
point poor
arm
LSparklng
descend
secure
Valve seating poor
I
No
or
not
Plugs
Shooting
dIrt
or
ve
connectIOn poor
or
cut
broken
Chart
COmpressIon weak
Valve clearance
Incorrect
Valve sprIng weak
Valve deformed
Muffler clogged
ContmuoUB
lack of
Valve tlmlOg Incorrect
JIOwer
Igtlltlon retarded
too
much
buretor adjustment poor
sohne supphed insulIiciently
bon deposIts
excesstve
aaohne of poor grade
IntermIttent
Isck of power
1
uus1De open tlOft
defective during
rumllng
I
I
buretor
defectIve
Valves stIcking
Pre Igtlltlon
EngIne gives off abnormal
noIse
J
erheat ng
I
BearIng
worn
Plugs dIrty
Breaker poInt defectIve
IntermIttent shorltng
Ml8finDg
Mllrture too rIch
IllSulliclent gaaoline supply to carburetor
Water
In
gasohne
Nozzle clogged
B
Trouble
Shooting
69
Chart
CLUTCH
GENERAL DATA
dISC
Type
SIngle dry
ConstructIon of dISC
WIth coIl sprIng
Outer dla
of faCIng
200
mm
Inner dla
of faCIng
130
mm
ThIckness of faCIng
3 Smm
Gross fnctwn
363
area
ThIckness of dISC
DIsc
run
ass
y
Backlash
Inner dla
PRESSURE
when
O 15
releaSIng
depreSSIng
mm
0 002
mm
0 006
In
of master
15 85
5 8
mm
In
of operatIng
19 05
3 4
mm
In
GenuIne super brake 011
WIthdrawal
Return spnng
WIre dla
1 6mm
87
length
In
when
mm
all pressure
Operatmg lIqUld
Length
mm
8 1
method
cylmder
Free
9 1
0 05
cylmder
Inner dla
8 6
7 3
sphnes part
at
Operating
cm
Less than O 5
out
plate
used
tensIOn
mm
136
mmlS kg
SPRING
Free
49 mm l 1 5
length
Compressed length
Less than 25
Turn numbers
7 8
Power of compo
In
full
Length
kg
3 3mm
WIre dIameter
In use
About 300
mm
and load
29 2
37
l2
S
kg
RELEASE BEARING
Ball
Constru tIon
HeIght
of release
plate
beanng type
From
flywheel
SO 5 l O 2
Release
If
SO
use
plate
run
master dISC
l8
lO 2
S
out
face to
rear
end of
plate
mm
Less than 0 03 0 0012 m
l O 5 mm
mm
heIght
mm
70
heIght
of release lever
IS
DRIVEN
PLATE
ASSEMBLY
ThIS IS the flexIble type In WhICh the splIned hub
WhICh transmIts the power and the over run
through
In
pOSItIOn by retaInIng
Two fnctIon lInIngs
COVER
The
IndIrectly attached
number of coIl
IS
a
dISC
sprIngs held
WIres
are
rIveted to the dISC
ASSEMBLY
assembly conSIsts of pressed steel cover and
plate
by SIX pressure spnngs
Mounted on the pressure plate are three release levers
Adjustmg nuts are screwed on the bolts of pressure plate
cover
a cast Iron
located
spnng msert to the clutch
RELEASE
cover
holes and
antI
pressure
RetaIners of pressure
rattle Sp 1Dgs load release levers
BEARING
The release
the cup
to a
bearIng
bearIng
located
ConSIstS
by
of
a
carbon
shrunk mto a
beanng
the operatIng fork and the release
beanng cup
bearmg retaIner
sprIng
RUNNING
OwIng
to
ADJUSTMENT
of the clutch controls no
to the
the clutch
hydrauhc deSIgn
pedal
adjustment
IS
necessary
Removing the Clutch
To gam access to the clutch
from the engme
It IS
fIrst necessary
to remove
the transmISSIOn
complete
Once the transmISSIOn UnIt IS free
a turn at a time
by
the sprIng pressIng IS reh ved
Then remove the screws completely and hft the clutch
flywheel
FInally
remove
The release levers
unless
new
parts have
are
to
the drIven
assembly
selectIon until
away from the
plate assembly
correctly
be fItted
Dismantling Assembling
By usmg serVIce tool
adjusted to a hIgh degree
dIagonal
set on assembly
Interference WIth thIS settmg
wIll throw the pressure plate out causIng
judder
Gauging
the clutch can be
qUIckly dIsmantled reassembled and
of accuracy
The tool compnses the followmg parts base plate centre pIllar spacIng
washers dIstance pIeces hlght fInger actuating mechamsm
setscrews speed
brace and metal box
As thIS tool IS unIversal a chart mdlcatIng the
parts to be used for
the box
patIcular
patIcular
types of clutch Will be found
on
the InSIde of the hd of
7l
s
tod
on
lTrunn
sh
plJ
ocl
t
l
a
dfa
lla
dra
i
th
tb
n
q
p
evet
l
10 0 10 0
1010 1020Q
lO
lo rl
rt
ns
spr
pp
bly bIY
UiC
r
ell
h
C
Co
t
C
2
rig
boll
1
l
pr
EY
S
re 11
S
J
II
ni
IPt
pr
net
PrCIUYC reta
IF
wa6net
c
oc
t
0
t
ll
0
E
Dismantling
Place the clutch cover assembly on the three spnng so that the holes
the cover cOIncIde wIth the tapped holes In the plate
Insert the set screws
provIded and tighten them a lIttle at a time by diagonal selectIon untIl the cover
In
I
IS
fIrmly
attached to the base
If the best results
are
plate
at
all
possIble
pOInts
ThIS
IS
most Important
to be achIeved
Mark the cover pressure plate lugs and release levers WIth a centre punch so
that the parts can be reassembled In theIr relative poSItion In order to maIntaID the
balance of the clutch
Detach the release lever
and
adJustIng
plate
from the eye bolts and
6
nut
I
73
remove
the three lock
nuts
t
Fzg
4
Dzsassemblzng
74
Slowly
spnngs
the set
base
release the pressure
unscrewIng
by dIagonal
on
the
selectIon
the
securIng the cover to
can
be
lIfted
The clutch
then
screws
plate
to expose all components for InspectIon
The release levers
and spnngs should
l111t
be examIned for wear and dlstorbIOn
Renew these parts If necessary beanng In
mInd that the pressure sprIngs must only
be renewed In sets
lubrIcate the
spanngly
bearIng
t
Clean all parts and
surfaces of the levers
t
q
51
7J
8
Inii
WIth grease
Flg
5
AssemblinK
Press the pIn Into the eye bolt hole
through
shown
75
the
lug
on
the pressure
plate
as
Place the pressure
plate on the base plate WIth the pressure spnngs In posItlon
and
plate
put the pressure spnng retaIners on It
Cover and set the
dutch cover assembly on the base plate
on
the pressure
Compress the pressure spnngs by screwIng down the cover to the base plate by
specIal set screw placed through each hole In the cover
TIghten the screws a lIttle at a ume by dIagonal selectIon to prevent dIstortIOn
to the cover
Set the release lever on the eye bolt with lock nuts
InsertIng for lug at
the edge of pressure plate
USIng the
76
J
Gauging
Screw the nuts Into the bolts and
and
plate
shaped heIght fInger
the base
Into
proceed
as
follows
Screw the
centre
pIllar
shp the dIstance pIece over the pIllar followed by the cam
Adjust the heIght of the release levers by screwIng or un
untIl the heIght fInger when roted Just contact the helghest
screwmg the bolt nuts
poInt on the tIp of the release levers
Replace the heIght fInger and pIllar
the clutch actuatIng mechanIsm See
by operatIng the handle
FIg
TJns wIll enable the parts to settle down on theIr lallfe edges
the
and dIstance pIece and readjust the heIght of the re
5 and
Inset
Replace
actuate
by
the clutch several tImes
heIght fInger
lease levers checked for
run out
as near
the
edge
as
possIble
as
If the error
press
hIgh spots untIl It IS true WIthIn thIS figure
It IS Important to keep fnctIon faCIngs free from OIl or grease
FInally repeat the procedure to make qUIte sure the release levers are seat
Secure the lock nuts and fIX the release lever
Ing properly and gauge agam
Release the setscrews and remove the clutch assembly from the base plate
IS more
than O 02
lD
over
the
Refacing the Driven Plate
fItted
If a new complete clutch dnven plate IS not avaIlable new lInIngs may be
manner
dnven
In
the
the
old
to
plate
follOWIng
be punched
Each nvet should be removed by USIng dnll The nvets should not
avaIlable
use
If
correct
tool
IS
not
then
the
out
RIvet one new facmg In pOSItIOn
The
to roll the nvet shanks securely agaInst the plate
bluntended center
punch
a
should then be nveted on the opposIte SIde of the plate WIth the clear
The plate
the fIrst faCIng
holes over the heads already formed In fIttIng
and
run out
as
centers
checked
for
a
mandrel
between
should then be mounted on
second
faCIng
0 02 In press over mgh
edge as pOSSIble If the wabbmg IS more than
lt IS Important to keep fnctIon faCIngs free
It IS true WIthIn thIS fIgure
untIl
spots
from OIl or grease
near
the
Refitting the Clutch
end of
Place the dnven plate on the flywheel wIth the longer chamfered splIned
transmISSIOn
hub
towards
the
the dnven plate
fIts the
The dnven plate should be centrahsed by a dummmy dnve shaft WhICh
the
flywheel
sphned bore of the dnven plate hub and the pIlot beanng of
77
assembly can now be se cured to the flywheel by means of the
tIghtenIng them a turn at a tIme by dIagonal selectIon
Remove a
There are two dowels In the flywheel to locate m the clutch cover
35 lb ft 4 84 kg m
shaft
after
these
screws are fully tIghtened
dummy
The weIght avoid stram on the
RefIt the release bearing and transmISSIOn case
drIve shaft and dIstortIon of the drIven plate assembly
The clutch
holdmg
cover
screws
DESCRIPTION
The clutch
IS
A
mounted
cylinder
CLUTCH
OF
from
operated
a
CONTROL
master
the clutch bell
on
cylmder by means of a suspended pedal
hOUSIng IS coupled to the clutch operatIng
shaft
Gcit
9
f
1
Fig
CD
@
@
@
6
Push rod
Master
assembly
cylmder rubber
Stopper rIng
Piston secondary
Secondary cup
the Master
Components of
boots
cup rIng
@ PrImary cup
lMaster cylinder p ston
@ Let m valve as sembiv
@ Let m valve sprIng
@ Return spnng seat
l
CylJnder
@ Piston return sprIng
@ Clutch master cylinder lxxIy
@ Let m valve release pm
Oi Rmg
@ Gasket
@ Filler cap gasket
@Cap
@ End plug gasket
@ End plug
ass
y
When pressure to the clutch pedal IS applied the pIston of the master cylInder
lIne In turn moves the pISton of
dIsplaces the flUId m the cylInder and VIa a pIpe
the cylmder pushmg agamst the lever of the clutch shaft
The Master
Cylinder
The master
cylInder
reserVOIr WIth cap
alloy body WIth a polIshed fInIsh bore and
assembly IS made up of the push rod rIng stopper
conSIsts of an
The
mner
valve and valve spnng
cups spnng seat sprIng
rmg pISton
The end of cylInder IS protected by a rubber boot
78
Dismantling the Clutch Master Cylinder
DIsconnect the pressure pIpe UnIon from the cylmder and remove the secunng
then the master cyhnder and may be wIthdrawn complete from the car
Pull back the rubber boot and re
Remove the fIller cap and draIn out the flUId
bolts
The push rod and nng can
the stopper rIng WIth a paIr of long nosed plIers
then be removed and unscrew the release pIn
When the push rod has been removed the pIston WIth caps attached wIll be ex
posed remove the pIston assembly complete
The assembly can be separated by hftIng the spnng seat edge over the shouldered
move
end of the pIston
slIde through the
Depress the pIston return sprmg allOWIng the valve assembly
elongated hole of the spnng seat thus releaSIng the tensIOn on
spnng
ExamIne all parts
wear or dIstortIon and
especIally the gasket cylInder bore and pIston
replace the new parts where necessary
cups
to
the
for
Assembling
Smear the
sembly
assembly
well WIth the recommended brake flUId and msert the as
cyhnder end fIrst easIng the pIston cups hps m the
mto the bore of the
bore
Replace
by
push
the
rod
WIth the
secondary
cup nng
Into
the
cylInder followed
the stopper rIng WhICh engages Into the groove machIned In the cylmder body
Replace the rubber boot and secure the UnIt by means of the two bolts on the
flange
The
and refIt the rpessure pIpe
UnIon
mto the
cylInder
Operating Cylinder
PIston pIston
ThIS cylmder IS of sImple constructIon consIstIng of the body
WIth cup spnng and bleed screw the open end of the cylInder beIng protected by
a rubber dust cover
The cylInder IS mounted under SIde of the startIng motor
Di smantling
the
Remove the rubber dust cap from the bleed screw attach a bleed tube open
untIl
all
the
flUId
the
clutch
bleed screw three quarters of a turn and pump
pedal
has been draIned Into a clean container
The operatIng cyhnder
Unscrew the fleXIble pIpe UnIon and adjustable push rod
now be removed
Removed the rubber cover and If compressed aIr lIne IS
can
avaIlable
blowout the pISton from the SIde UnIon
especIally the seal and replace If
ExamIne all parts
worn or
damaged
Assembling
the
Place the seal IntO the stem of the pISton with the back of the seal agaInst
well WIth the
with
small
end
on the stem
smear
the
the
sprmgs
pIston replace
flUId and Insert Into the cylInder
Replace the dust cover and mount
recommended
the
cyhnder
boot
push
In
Secure the
rod
by
makmg sure the push rod enters
cylInder WIth the bolt and screw In the
pOSItIon
the
screw
the hole
m
the rubber
pIpe unIOn
Adjust the
drLver at top of wIthdrawal lever WIth the adjustable rod of
79
operatIng cylmder
to gIve the end
play
2 5
3 0
mm
Bleeding the Clutch System
screw dust cap at the operatIng cylInder
open the bleed
a turn and attach a tube Immersmg the
three
of
quaters
apprOlumately
FIll
open end Into a clean receptacle contaInIng a small amount of brake flUId
WIth
the
recommended
flUId
and
slow
the master cylInder reserVOIr
by usmg
full strokes pump the clutch pedal untIl the flUId entenng the contamer IS free
Remove the bleed
screw
pedal screw up the bleed screw re
replace the dust cap
When the clutch pedal IS depressed the force IS transmItted to the ball
beanng and the surface pushed the release plate Effectual stroke of the pedal
95 mm untIl the
IS 128 mm leavmg 30 mm surplus In stroke
ltch
cl
dIsengages
When there IS undue surplus or shortness mstroke readJust the pedal poSItIOn
WIth the adjust shrm
from
move
aIr
bubbles
On
a
down stroke of the
the bleed tube and
Jg
F
7
80
TRANSMISSION
1
Frg
Model
3 stage for forward
for reverse
1
stage
4
stage for forward
mesh
on
for
speed
Remote control
Full
synchromesh
on
for
ward gears
Type
of gear
Synchro
meshed helIcal
2nd
gear type
RatIo
1
3 Sl8
RatIo
2
1 725
3 94
2 40
RatIo
3
1 000
1 49
RatIo
4
4 125
5 lS9
Reverse
1 00
81
3rd
4th gear
synchro
DISASSEMBLE THE TRANSMISSION
CASE
FIrst dram the OIl from the
draIn
plug
IS
transmIssIon
sItuated beneath the
DIsconnect the
propeller
Shift Lever Remote
by
removIng the dram
plug
The
case
shaft
startIng
motor
clutch lever and ShIft levers
Control
The sJnft lever IS posItIOned on the nght hand sIde of the case of transmIssIon
If the car has rIght hand steenng wheel
and on the left hand sIde If It has left
hand steenng wheel
Shift Lever Floor Gear Shift Lever
The sJnft lever
IS
located
on
the nght hand
F g
82
2
or
left hand sIde of dnver
s
seat
T
J
V
r
If I
TRANSMISSION
Flg
3
83
CASE
ol1
I
SEAL
I
llNG
BUS
locI
BREATHR
Y
EXTNSIO
y
ASS
TEMSIOM
EX
cover
bot m
WASHER
REAR
fpt
to
WASHERlock
shaft ASS
SEAL
e1t nSlo
rear
rear
CROS
Oll
6
COVERbot m
lnter hole
lock
PLUG
CASE
BOLT
PLUG aln
y
ASS
dr
TRAMsISloN
4
FIG
front
On
COVERtransmlS
If
l
Ow
@
U
U
i
iilt
l
t
so
tr
n
18
i
I
l
e
e
85
U
o
J
i
1t
6
It
0
DISASSEMBLY
Front
Bearing Retainer
Release the front
bearIng
retaIner sItuated wIthIn the clutch
the nuts
c
Fig
6
Beanng
86
Retmner
housmg by
removmg
Cover of Transmission
HoldIng
when the
the
pOSItion
be taken off
cover In
cover can
FJg
FJg
are
14 set
nuts
all of WhICh must be removed
Bottom Cover
7
8
Vlew
of lnslde of
87
Tnmsmlsslon
Fig
9
Take out
the RIng
FIg
88
u
10
the
Take off
pm
Nut
Counter Shaft
Gear
USIng a soft and long metal dnft dnve out the counter shaft forward
When
the counter gear cluster and two thrust
washers will drop In the case
These gear
cluster can only be hfted from the case
Hg
11
Counter Shaft Removal
89
FIg
12
Ftg
Pull Out the
13 A
Retaimng
Fork Pm
Pull Out the Fork Rods
90
3
i
Fig
s
13 B
Pull Out the Fork Rods
Revers Gear
A
the
lug
maIn
of the
shaft
wmch
IS an
Integral
castIng locates
part of
the forward end
To secure the
gear shaft
pOSItIOn a set bolt IS screwed
the lug locatIng In the shaft of
reverse
In
through
reverse
gear
Release the lock washer
out
LIft out the
reverse
then
screw
gear shaft
Fig
14 A
Pull Out the Reverse Gear
Shaft
91
j
J
FIg
14 B
Pull Out the Reverse Gear
Shaft
Main Drive Shaft
Tapped
out the mam dnve gear
assembly
r
f
k
f
f
q
J
t
FIg
i
J
e
15 A
Removal
92
t
1
t
of Mam
ff
t
yr
DrIve Gear
Shaft
F g
15 B
moval of
Ma
n
Shaft
Dnve Gear
Fig
16 A
93
Matn
Shaft
moval
Fig
16 B
Main
Snafl
Removal
Main Shaft
Pull out the
from the
maIn
rear
shaft
beanng
rear
and the
speed
sIde
Fig
17
94
gear sleeve
by
the
beanng puller
1
Reverse Gear
A
part of the maIn castIng locates the forward end of
the shaft In poSltlon
a set pm IS screwed through
the lug locatmg m the shaft
The set key IS locked out sIde of the case
Release the set pm then tap fOrWard and remove the reverse
LIft out
gear shaft
the reverse gear
the
lug
wJnch
reverse
IS aD
mtegral
gear shaft
To
secure
Rear Oil Seal
ThIS 011 seal
IS
sItuated
In
the end of the
be dIsmantled unless
seal WIthout
suspected of leakIng
damage It consequently a new
rear
It
IS
bearIDg retaIner and should not
ImpossIble to take off the
almost
OIl seal should be fitted If the old
one
has been removed
ThIS
can
be removed
by
usmg
a
punch
and hammer
Main Shaft
Counter cluster gear
In
the
case
Insert the fIrst gear to the maID shaft together
rear hole and fIt the fIrst and reverse
wIth second and tJnrd gear assembly from
fork shIfter over the fIrst gear
Fu the sJnft fork of the second and thIrd gears
assembly
on
nIzer
Depress the maID shaft bearIng to the end of the case
Change the dummy shaft to counter gear WIth the saId
95
shaft
the hub of
synchro
lever
ge
fll
lNUT
HER
Change Znd
ci@
i
f1I
I
ER
to
@
WASHER
change 3rd
Nu
WASHER
ICk
lnter BAL
I
l
m
mI
d
SPRING
mIl
BOL
1
PLUNGER
retaln g
RING cros
@
SPRING chekmg
BAL heCklng
WASthrust shaft
7
P1aln
ball
1st
ER
i
EVER Znd
sHAFT
L
J
fL
t
cros rev s
WASHER RING y
SHAFT
3r
cro nd
l
i
NI
FO
g
13
fi
t
L
LE ope
lock mg to
I
IN
I
I
fork
e
va
8
ROO revet
1st
fork
3rd
RoO Znd
C
J
tII
Il I o
00
oD
lI II8
WASHER
WASHER
PIN
k
loc
lever shaft
r
1
C
F
9
t
FIg
I 9
OF
ASSEMBLY ORDER
CASE
TRANSMISSION
GEAR
97
IOCk
coMTRO
WASHER
e
on
locasutp ort
l
L
up ebrracket
BO
hand
LEVER
SS
P
C1
REMOTE
20
FIG
e
Hand
one
eft
h
use
lfo
Of
l
I
tat
ft
h
ROO
GE
IMKI
T
COl
TE
ENlO
21
G
t
c
tOd
l
Ol
h
I
Jl
R
eh
1
0R tOdh
1
lh
t
e
ISUl
Il
DD
DISASSEMBLE THE
TRANSMISSION CASE
FOR 4 STAGE FLOOR SHIFT
Removal of Control Lever
TWIst the cap on the lower portIon of the control lever
counterclockwIse WIth
sbght downward pressure
Removal of ShIft Rod
Remove the
a
Slnft Fork
cOYer
from the transmISSIon
by detachIng
SIX
bolts
Reverse Gear
A
lug
WhICh
IS an
mtergral part of the maIn casmg locates the forward end of
To secure the shaft In pOSItIOn a
gear shaft
settIng screw IS locked
a tab washer
screw
StraIghten the tab washer release the
then
the
by
reverse
settmg
forward and
the
remove
Counter Shaft
reverse
gear shaft
Set out the
tap
reverse
gear
Gear
USIng soft metal dnft dnve out the counter shaft forward and out of case wben
the counter gear cluster and two thrust washers wIll
drop to the bottom of the case
These gears can only be hfted from the casmg when the maIn and drive shafts
together
WIth theIr respectIve gears have been removed
the needle roller bearmg witlun the counter gear cluster It IS neces
sary to break the retamIng clrchps before dnvmg out the bearIng wIth a sUltabl e
pIece of metal tubmg
To
remove
Main Shaft
The maIn shaft can now be wIthdrawn from the transmIssIon
To remove
casmg
the gears from the mam shaft fIrst slide off the tJnrd and forth
speed synchrallzer
assembly then WIth a pIece of wire Inserted through the hole m the
cone
de
gear
press the small spnng loaded plunger WhICh locates the sphned washer at the for
ward end of the maIn shaft turnmg the washer moo lme WIth the
splmes The tJnrd
and second speed constant mesh
WIth
theIr
common
gears together
phosphor bronze
sleeve can now be pulled over the steel
and so clear of the mam shaft
As
plunger
the
bronze sleeves and theIr common dnvIng washer are a
tIght fIt on the
the shaft should be Immersed m warm OIl In order to expand the sleeves so
phosphor
shaft
that
wIll slIde off the shaft when the second
they
speed
gear
can
be removed
Talce out the steel
Next
plunger and spnng
splmed washer separatmg
the
the second speed constant mesh gear
from the fIrst gear umt and then slIde the fIrst gear assembly free of the
shaft
remove
assembly
maIn
To release the
and
unscrew ItS
speedometer
securmg
nut
wheel from the
then shde the
Do not lose the
maIn
shaft
speedometer
straIghten
the tab washer
wheel off the shaft
key Take off the dIstance pIece and the mam shaft beanng can
hOUSIng after the nut has been pnsed from the shaft
If It IS deSIred to dIsmantle the fourth and thIrd speed couplIng sleeve
or the
fIrst speed gear these can be pressed clear of theIr spUned synchromzers
but care
must be taken to retneve the three balls and spnngs In each assembly
Take out
be
separated
from Its
100
the
maIn
shaft front needle roller
beanngs
from the end of the dnve gear shaft
Rear Oil Seal
TJns OIl seal
IS
of
suspected
unless
sItuated
In
leakmg
the end of the
It
IS
almost
rear cover
ImpOSSIble
to
and should
not
be dismantled
take off the seal WIthout dam
agIng It consequently a new OIl seal should be fItted If the old one has been moved
ThIS can be re
It wIll be seen that the 011 seal housmg IS pInched Into pOSItIon
moved
by
USIng
a
punch
and hammer
ASSEMBLING THE TRANSMISSION
The 2nd
speed gear the 3rd and 4th speed couplIng sleeves are each paIred WIth
synchronIzers
Only mated paIrs of these parts should therefore
theIr respectIve
fItted
Reverse Gear
RefIt the reverse gear Into the gear case WIth the large gear to the rear
all the reverse gear shaft before InsertIng and secure the shIft WIth locatIng
screw
and lock washer
Counter Shaft Gears
FIrst put the two thrust washers to the counter gears ensunng that the larger
IS at the front
and then place the gear cluster In the gear case
Check that there IS end play for the cluster gears between 0 04 mm and 0 12mm
and remedy If necessary by fIttIng a tJncker or thInner rear
0 0015 0 0046
washer
washer
TJnckness of front thrust washer
TJnckness of
Part No
ThIckness
32224 26760
3 91
rear
3 96T
thrust washer
Part No
ThIckness
32226 26760
32227 26760
3 9T
32228 26760
4
32229 26760
4 2T
4 0T
1T
the counter shaft WIth a thm temporary rod WhICh wIll permIt the gear
cluster to remaIn out of mesh WIth the maIn and dnve shaft gears
Replace
101
Drive Gear Shaft
The ball
Journal beanng should now be dnfted on to the shaft WIth Its spnng
geared end POSItIOn the geared end of the dnve shaft In a
speed couplIng sleeve put the washer over the bearmg tIghten
rIng away from the
dummy 3rd and 4th
the nut and lock It
In
pOSItIOn
the end of the shaft where the maIn shaft locates then load the
needle rollers so that they adhere In pOSlUon
Turn the
by means of the grease
gear casIng to ensure that the counter teeth are below the dnve shaft bearIng housmg
FaIlure to do tJns wIll result In damage to both the counter
gear and dnve shaft
Smear
geared
grease
In
ends
The dnve shaft
can now
be dnfted Into poslUon from the clutch
Ensure that the sprIng nng reSIsters
properly
In
the
race on
hOUSIng
the gear
end
case
Main Shaft
Press the
the
mam
shaft center
beanng complete
WIth
hOUSIng
on
to the shaft from
rear
The
bearIng
must be
pressed fIrmly agaInst the shoulder of the center splIned
Lightly smear OIl the shaft forward of the beanng and refIt
assembly WIth the ynchromzer pomtmg forward
washer on to the shaft followed by the baulkmg nng
The phos
whIch carnes the second speed IS a tIght fIt on the shaft there
portIon of the shaft
the fIrst speed wheel
RefIt the thrust
phor
It
bronze sleeve
must be fIrst Immersed In warm OIl and then slId Into pOSItIOn on the shaft
second
speed
wheel
over
the sleeve
then the
FIt
dnvIng
washer and the secood bronze
The two sleeves are locked together
sleeve WhICh carnes the tJnrd speed wheel
by the dnvIng washer Now poSlUon the thIrd
gear over Its sleeve
Place the sprmg and plunger Into the hole In the maIn shaft and slIde the
splmed
washer
Depress the plunger WIth a pIece of WIre through the hole m the thIrd
Then turn the washer for
speed and slIde the splIned washer over the plunger
the plunger to engage WIth a groove In the washer
The gear
are now
assembled
on
the
maIn
102
shaft
TRANSMISSION
CASE
SPEED
4
l
22
7
111 U
40
16
f1 fIT
26
1
Case
transrmSSlOn
2
S y
Af
3
BushIng
4
Seal mI
5
lsh1ng speedometer
6
Ass y breather
7
Gasket
8
Washer lock
9
Washer lam
extensIOn
rear extensIOn
rear
extension
pInion
Stud
17
Washer loel
18
Nut
19
Bolt
20
Bolt
21
Washer lock
22
Nut
rear extenSlQn
10
Bolt
11
Bolt rubber
to
Bracket spnng
Spnng
rear
16
fix
rear
extenslOD
return
return
12
Ass Y SlICk
13
Ass y
14
Cover
15
Gasket front
plug
cover
fiX
transrmsslon case
speedometer 18T
speedometer
22
Ass y sleeve
speedometer
23
Rmg
24
Reramer
25
plmon sleeve
Rmg 0
Plug speedometer plmon
0
Screw
1ST
plOwn
speedometer pmlOD
0
nng
set
to
dram
front
to
cover
Ass y plmon
dIp
transnusSlon case
fix frOIl
Ass y pmlOn
26
011 level
to
fix
reverse
shaft
Washer lock
27
Gasket
28
Bolt
29
Washer lock
103
cover
transnusslOn
case
TRANSMISSION
17
8
ROD
FORK
4
SPEED
6
17
Il
Ass
Ass
1
2
3
y
y
Cover
Rmg
cover
cover
tranSIlUSBIOn
13
tranSlTUB810D
14
15
transnusSlOJl
shIft roo
O
Rod fork 3rd 8 4th speed
4th speed
Fork 3rd
25
26
Bracke rod 3rd
Ball checlang
T
28
4
16
SCrew
5
6
Fork 1st
2nd speed
Bracket rod
1st Pi 2nd
17
18
WIre lock
Ball checbng
7
8
Rod fork reverse
Fork reverse
19
20
Spring poppe
Pm mterlock
9
10
reverse
Bracket rod
Pm fort reverse
21
22
Ball lDterloct
Plug weld
11
12
Pm
23
24
Plug weld
Plare dua
cottel
reverse
fork
speed
set
sh ft
Plug
29
ABs y lever control
conrrollever
lCnob
rollever
coo
30
31
Sprmg lever control
Cap cover transausluon
Boot
Sprmg poppe pin
Pm control lever pivot
Rod fork 1st 8 2nd speed
Spnng pln
4th
Washer lock
Bol
rod
case
32
Boot rubber
33
Seat lever sprIng
Screw stop reverse fork
Nut
104
a1n
pl
TRANSMISSION
GEAR
4
SPEED
16
I
16
2021
19
34
11
1817
1
38
I
J
35
33 37
5
I
4l
3a
3
I
2
3b
1
2
Ass
18
19
Ball synchronIzer hub
Gear mamehaft
3 Shaft reverse gear
Screw set reverse geal
Washer lock
20
Rmg baulk
21
Washer thrust
22
4
23
Gear 2nd speed
Iahmg
9
2nd speed gear
Washer thrust malO shaft
3rd
Bushmg
speed gear
Gear 3rd speed
reverse
y gear
Bushmg
Gear
reverse
gear
counter
5
Shaft counter
6 Roller needle
4
2
7 Countershaft spacer
8 RIDg retamer needle
9 Washer thrust
10 Washer thrust
25
26
roller
27
cOWlter front
counter
rear
3 9T
Washer
thrust
counter
rear
4
Washer
thrust
counter
rear
4
Washer
thrust
counter
rear
4
On
In
28
29
2T
30
31
11
Gear
12
Bearmg mam dnve gear
Spacer bearmg 1 6D
Rmg snap malO dnve gear 1 6T
Rmg snap mam drive gear 1 6Sn
Rmg snap mam dnve gear 1 74T
Rmg snap malO drive gear 1 77T
32
33
Shaft
37
38
13
4
1
15
16
Hub
mam
drIve
mam
synchronizer
17 SprIng synchronIzer hub
34
35
36
2nd
speed
malO
shaft
Washer thrust
malO
3
mam
shaft
shaft
front
Washer thrust
froot
4
Washer thrust
malO
shaft
front
4
Peg locklD
Spnng Iockmg peg
Hub synchro
3rd I 4th speed
Rmg baull 3rd I 4th apeed
Sleeve synchro
3rd 8r 4th speed
Beanng main shaft
Ass y retamer mam shaft bearmg
Peg Ioclung
Gear dnve speedometer 5T
Gear drIve speedometer 4T
Piece dIstance
Key woodruff
mam
shaft
39 Washer lock
40 Nut malO shaft
41
105
rear
BeaTing
malO
shaft
pilot
m
on
IT
36 39 40
iO
i
a
a
l
1
H
g
li
III
ii
iU
III
n
i
1Il
0
hi
II IB
oe
ii
a
si
1
a
t
l
D4
l
a
B
i
3
I
nlll1
e
e
GO
se
i
flh
i
tl
O
s
i
i
i si
llo
e
I
106
Keep for tbe
of
Oil depth gage
fixed level
FIG
4
B
TRANSMISSION
Speed
shift gear type
107
FRONT
AXLE
109
NUT
lock
o
NUT
lt
o
0
NUT
ASHER
speC1al
outer
ASHER
shock
f
vlt Oe
ASS Y
e
MEMBER
f
o
front
suspension
PAD
rubber
front
W54466 10600
absurber
speClal
iii
l
b
OLT
BUSHING
rubber
It
e
mner
rear
54467 1060
0
Ul
g
a
fm
NUT
WASHER
USHING
rubbe
shock
absorber
WASHER
0
speclal
outer
outer
speclal
SEA T rubbe r
1ront
54468 10600
rear
54469 10600 for front
BUSHING
rubber
suspension member
@ WASHER special
SEA T
front
upper
spring
front
54464
10600
rear
54465
10600
mounbng
BAR
tenslon
front
stablhzer
NUT
WAHER
@ speC1al
SPRING front
SPACER
front
BUSHING
rubber
WASHER
stablhzer
BRACKET
special
mner
stablhzer
@
BUSHING
stablhzer
mounhng
eWASHER
WASHER
Iock
rubber
WASHER
specl
outer
BUSHING
BOLT
rubber
WASHER
@ plam
WASHER
outer
BUSHING
rubber
special
Iock
outter
BOLT
R
i
o 0 connectlng
front stablhzer
C EAT
Iower
front spring
FRONT SUSPENSION MEMBER
SHOCK
ABSORBER
110
DISASSEMBLING
THE FRONT
HUB
DISmantlIng of the front hub fIrst Jack the car untIl the wheel IS clear of the
Lower
ground and then place blocks under Independent suspensIOn spnng plate
the
to the blocks
the brake shoes
Remove the wheel and the screw
If the drum appears to
The shoe adjusters should be slackened
car on
bInd
on
Lever off the hub cap and then extract the splIt pIn from the spIndle nut
USIng a box spanner remove the spIndle nut and ease flat washer under the nut
clear of the axle thread by carefully USIng a narrow rod lI1to small holes In turn
In each SIde of the spIndle and
WIth the hub removed outer
tappIng the race lIghtly
bearIng
can
tappIng the
The
be dIsmantled
Inner
and
beanng clear
bearIng and 011
out
by InsertIng
a
dnft
through
the
Inner
beanng
and
of the hub
seal
can
then be removed
the dnft from
by InsertIng
the opposIte SIde of the hub
When assemblIng the hub the
Inner beanng race should first be Inserted Into
Pack the hub WIth recommended grease
Replace the hub Oil seal over the
bearIng Renew the seal If It IS damaged any way
the hub
Inner
The hub
be
the spmdle
Gently tap the hub Into posItIon
ehe
shoulder
the spmdle
on
agamst
Place the spIndle flat washer Into posItIon and screw the nut down fInger tight
Spin the whell and examIne the reSIstance TIghten the nut
untIl the
can now
Inner race
replaced
on
bear
A
slIghtly Increased resistance to the SpInnIng of the wheel WIll then be notIced
beanngs are now preloaded and the splIt pIn should be Inserted to lock the nut
Tap the hub cap to the hub after packIng the cap WIth grease
It IS Important that
Replace the brake drum and secure WIth machIne screws
the drum IS fully home before thiS screws IS tIghtened and If necessary the drum
should be pressed In poslt1on by tIghtenIng two wheel nut
RefIt the wheel and nuts
are best fInally tIghtened when the car IS off the
blocks
but readjust the
fackIng
brake shoes If necessary before the car IS lowered to the ground
The
o
lAND
t
TYI
CAP
oad
m ltl
I
N1JT
COLLAR
froDt
OJ
pmd1
lSEAIlINC
SOL T bub
r
d beel
WA5HER
frollt wheel
frOl1t wbeel
beanlli
u
FRONT HUB
III
DRUM
kl
Q
I
0
8
2 0
C
10
ASS
V
frone
JOINT
pen
ball
uprel
lon
T
fu
knude
NUT
J
S
USHING
lower
1
SEAL dUll
hnl lower
hnlr
bu h
H
FRONT
SUSPENSION
LINK
f
112
INDEPENDENT FRONT
The
dependent
front suspensIOn
upper and lower bottom lInkages
Between these two WIshbones
tween the upper and lower whIch
IS
known
roughly
as
SUSPENSION
the WIshbone type
SInce the top
to the shape of a WIshbone
conform
the COIl spnng held under compressIOn be
secured to the lower suspensIOn member by
four bolts
At the sWIvel axle end the upper and lower Imkages are JOInted by
the ball JOInts
The upper spIndle bracket IS bolted to the front suspenSIon
IS
IS
member WIth caster shIms and the lower
of the suspenslon member
Change
for
spIndle
the number of Shlms
Front SIde
only
Camber
to
the lower bracket
Caster
0001
029
0016
003l
002
003l
1
0004
0029
1
1
0015
2
2
1
1
2
2
1
Both Camber
Camber
connected
Back SIde
1
Caster
IS
1
113
0027
00 l5
027
thIckness of each shIm
a
Camber
adjustIng
sJnms
Parts No 54542 04100
54543 04100
Standard
adjustment
1 m m
54544 04100
Camber 1030
Caster
1030
lmm
2mm
4mm
R L dIfference
R L dIfference
WIthIn 40
WIthIn 40
BALL JOINTS AND BUSHES
OF THE SWIVEL AXLE
Wear If the sWIvel ball JOInt or wear of the screw bushes of lInks or both
by JackIng the front of the car and endeavounng to rock the wheel
may be checked
by graspIng
can
opposIte poInts of the tyre In a honzontal posItIon
If any movement
be detected between the upper and lower sWIvel JOInts and the sWIvel axle as
sembly
the ball JOInts
or
the
screw
bushed
mInatIon
Front C oil
are worn
and must be
stnpped
for
exa
Spring
J
Between the upper and lower lInks IS the coIl spnng held under
compressIOn
IS secured
by nuts of the lower and upper ball JOInts
of It wJnch
Through the center of coIl spnng the telescorp type shock absorber WhICh IS
connected to the top sprIng seat and lower lInk wIth nuts of the lower and upper
114
FRONT
SUSPENSION
us
The rubber
bearmg bushes or screw bushes may
renewmg
ExcessIve sIde ways movement m eIther of these
of the rubber bushes or screw bushes
The screwed bushes or the ball JOInts may
of eIther of these parts
has been dIsmantled
Disassembling
ThIS
assembly
can
Remove shock absorber
2
Compress
3
DIsconnect lower ball JOInt and rebound
4
Release the COIl spnng
by loosing
5
When the cOIl sprmg
fully
6
DIsconnect upper Imk
for
Removing
the Coil
bearmgs
would denote
softemng
develop excess free play due to wear
best be checked when the suspensIOn
1
IS
detenorate and need
Suspension
Order of Front
the coIl sprmg
tIme
In
tool
by
from lower lInk
the nut of tool
extended
spmdle
bumper
take out It
from suspensloo member
If
need to mspect
Spring
A
METHOD
1
Unscrew nut ot the shock absorber at the top and take out It from down sIde
after unscrew lower flange of It from lower lmk
FIt the service tool and screw up the sprIng compressor nut
In the absence of the serVIce tool a sUItable tool wIll be reqUIred to release
the compressIOn from the coil sprmg
Compressmg
located under the
the COlI sprIng unscrew the 3 nuts of lower ball Jomt WhICh
edge of lower lInk
Remove these nuts and release the compressIOn from the coIl
sprmg
loosmg of nut of tool
When
lf
the coIl sprIng
IS
fully
extended
116
take out It
by
I
l
t
4
Front Suspens
on
Assembly
Detachment
of Shock
Suspens
Absorber from
Detachment of Shock Absorber
from Suspens on
117
on
vetachment
Rebound
Bumper
Shock Absorber
Remove
ReleasUag
of
the
Ban Joints
LoWer
of
NutS
118
119
r
MeTHOD
B
Unscrew the four bolts of lower spmdle wJnch IS secured to the suspensIOn
member
Remove these bolts and release the compressIOn from the coIl sprIng
When the lower lmk WIth spIndle can be drIven out
Refitnng
the COIl
Spnng
Screw up the screw
Use the coIl compressor or Jack against the lower lmk
bolts of the lower lInk spindle to the front suspensIOn member and then secure
the bolts of the lower
spmdle
nut or the
down
Jack
screw
Set up the shock absorber
lower sIde
METHOD
ReplaCIng
Release the compressIon
by
by loosmg
the compresso
the double nut of upper sIde and the bolts of
C
Order of Upper LInk
1
Prepare
2
Jack
3
Remove wheel
4
DIsconnect upper ball JOInt and rebound
5
Detach upper lInk and
6
DIsassemble upper lInk
7
Reassemble upper lInk spIndle and bushIngs to upper lInk of
Inforced part carefully follOWIng undermenuoned InstructIon
8
Reassemble whole parts back agaIn
9
Check and
to remove front wheel
up and support front suspensIOn lower lInk
adjust
link
from suspensIOn member
spIndle
spmdle
front wheel
from upper
bumper
from upper lInk
complete
to
by unscrewIng
lInk
busJnngs
replaCIng
re
unIt
alIgnment
InstructIon
1
Don t hold
pItch
are
spIndle tIght agaInst lInk when screwIng In busJnngs Because the
spIndle Inner and outer screw of bushIng and lInk sleeve
of threads of
all
same
2
Apply ample
3
Pay careful attensIOn not to damage the ghread when
TIghten up busJnng agaInst lInk sleeve by the torque
137
4
grease
on
to the Inner screw of
busJnng
and
spIndle
screwIng
20
of 19
In
the
kg
m
busJnng
145 ft lbs
Fncuon reSIstance torque between spIndle and
kg m 3 6 ft Ibs when assembled
busJnng
should be WIthIn
o 5
5
Adjust
the relatIve poslUon of
le
spmd
and lInk
120
as
shown
In
the
figure by turnIng
ll
the
spmdle
6
AlIgn
7
Lubncate
the dlrectlOn of grease
bushIngs
mpples
wIth grease
as
shown
completely
the
In
unul
fIgure
extra
dust seal
grease wIll
come
out from
Center of ball JOint
Center of ball JOint
i
J
TIghtenIng Torque
Nuts fIXIng upper ball JOInt and rebound
l7 4
l8 8 lb ft
Bolt
Nut
flXlng upper lInk spIndle
fIXIng lower lInk spIndle
Front Wheel
4
7
5 0
4 5
4 0
bumper
kgm
kgm
to
34
the upper lInk IS 2 4
36 2 lb ft
32 5 lb ft
29
AlIgnment
DQO
I
Toe
3
In
1030
Camber
103Q
pm mclInatlon
camber WIth
adjustIng
shIm
at
Caster Onl y
of upper
1 8
In
6030
angle
caster WIth the same sJnm or
TurnIng
upper bush
by turnIng
spIndle fIxmg portlCtl
spIndle only
upper lInk
1
2 one turn
spIndle
3600
One turn
0032
1800
Half turn
0018
l800
00 13
3600
0027
clockwIse
0
mm
Caster
Kmg
Adjust
Adjust
2 6 kgm
See
from back SIde
CounterclockwIse
See from back SIde
1
f
121
s
r
A
S ON
rRONT
SUSpEN
122
c
l
r
c1
7
I
l
II
j
i
I
I
J
c
I
U
o
FRONT SUSPENSION B
123
I
I
torque
n
btefl
f
l
1g
2I1
e
to
PROPELLER SHAFT
UNIVERSAL JOINTS
JOURNAL
PROPELLER SHAFT
UNIVERSAL JOINTS
a
Fore and aft movement of the rear axle and other components IS allowed for by
between the front end of the propeller shaft and the rear of the trans
slIdIng splIne
mISSIOn case
beanngs
Each unIversal JOInt
and tow
consIsts
yokes
125
of
a
center
spIder
four needle roller
Back lash of sleeve
yoke splIne
O 1
mm
0 004
O 5
mm
0 02
In
Amendment lImIt of dIttoed
backlash
In
Outer dIameter of unIversal
14 728
Jomt Journal
Inner dla of bearIng lace
14 72Smm
0 S80 0 S79m
19 SlS l9 S30mm 0 768 0 769m
Number of roller of bearIng
22 for each
needle
I
DIameter x length on dIttoed
bearIng needle roller
bearIng
2 38 mm
x 1O 3mm
Less than 0 4 mm O OlS
Run out of shaft
In
torque of companIon
TlghtIng
flange nuts
15
68 9
65 3
Outer dla
Inner dla
l8 ft lbs
mm
Parts No 37000 11600
mm
Comp
shaft
WIth JOInt
Length
front
between 1237
rear
mm
JOInt
Lubrication
nIpple Is fItted
spIder for
the
lubncatmg
bearIngs
An 011
to each center
The central 011 cham
ber
IS
connected to the
four 011
reserVOIrs
the needle roller
assemblIes
and to
bearmgs
FIg
The needle roller bear
are fIlled WIth OIl on
mgs
OIl from the
assembly
transmISSIOn
LubrIcates the slIdIng
splmed JOInt between pro
peller shaft and the trans
mISSIon
Before
propeller
refIttIng
transmISSIon case
the
the
shaft to the
splInes
smear
WIth the 011
1
Propeller
shaft
2 UnIversal JOInt
nIpple
Lubncahng a unwersal Jotnt oj
propeller shajt
l26
the
Rem oval
Remove the
by takIng
rear
propeller
out the secunng nuts
shaft
flange from the pInIOn
bolts and lock washers
flange
of the
rear
axle
Place a clean tray under the rear end of the gear box to collect any
surplus OIl
that may draIn off
The operator should now take the weIght of the propeller shaft
and then draw the splIned end out of the transmISSIon
Dismantling
Clean away the paInts from all the snap rIngs and bearmg faces to ensure
easy extractIon of the beanngs
Remove the snap nngs by pressIng these ends together and pnse out wIth screw
drIver
If the nng done not come out tap the bearIng face lIghtly to relIeve the
pressure agaInst the rIng
Hold the splIned end of the shaft
a
lead
or
copper hammer
when the
hand and tap the radIus of the
beanng WIll begIn to emerge
In one
yoke
WIth
lf dIffIculty IS expenenced use a small bar to tap the beanng from the InsIde
takIng care not to damage the race Itself belllg careful not to lose any of the needles
Repeat tJns operatIon the other beanng and the splIned yoke can be removed
from the spIder
The same procedure can be utIlIzed to detach the other spIder from Its yoke
127
EXAMINATION tIE
CHECKING FOR
WEAR
When the
In use
for
a
propeller shaft has been
long tIme the parts most
lIkely to show SIgnS of wear are the
bearIng races and the spIder Journals
The complete assembly should be
renewed If looseness
are
or
observed
beanngs
or
stress marks
as no overSIze
provIded
are
that bearIng races are
In the yoke trUnIons
Any ovahty
a
It
Journals
IS
lIght
essentIal
drIve fIt
the trunIon
bearIng
fIttIng of new yokes
The straIghtness of the shaft IS
determIned by measurIng the offcenter
In
holes IndIcates the
deflectIon of the shaft In rotatIon WIth
a dIal gauge
applIed both ends If the
deflectIon exceeds clearance lImIt
Less
than 0 4
rom
correct or
replace
the shaft
Reassembling
See that the drIlled holes In the Journals are cleaned out and fIlled WIth 011
Assemble the needle rollers In the bearIng races and fIll WIth the OIL
Should dIffI
culty
be
experIenced
In
assembly
to retaIn the needle rollers
tap the
In
lng
beaI
22
pOSItIOn WIth
smear
Nos
a
In
the walls of the
place
races
Insert the
foot nosed dnft smaller
In
WIth
spIder
In
petroleum Jelly
the yoke and
dIameter than the hole
yoke It IS essentIal that the bearIng races are a lIght dnve fIt In the yoke trun
nIons
Repeat tJns operatIOn for the other bearIngs
The spIder Journal shoulder should be coated wIth shellac pnor to fIttIng the re
tamers to ensure a good seal
If the JOInt appears to bInd tap lIghtly wIth a wooden mallet wJnch WIll relIve
It IS adVIsable to renew
any pressure of the beanngs on the end of the Journals
cork washers and washer retaIners on speeder Journals usmg a tublar dnft
In
the
Replacing
the Shaft
Smear the
propeller
those of transmISSIOn
Assembling
shaft
mam
splInes
WIth OIl and slIde the
splInes
WIpe the rear companIon flange and flange yoke faces clean
pIlot flange regIsters properly and the Jomt faces bed evenly all
lock them
In
posltlon
It
IS
Into mesh WIth
shaft
adVIsable to
use new
to use new lock washers
128
lock
In
pOSItIOn
to ensure that the
around and
It
IS
securely
adVIsable
REAR AXLE
G
PL
tap
SPACER oil
r
SEAL
30loI06OOCOMP CA SEo
u
43010 10800 CO Mp CASE
STUD
ul
tOLLER
u1
oear
p
ASS Y PLUG
be
BEARING
er
dram
ASS V BREATHER
REAR AXL E CASE
129
a
SHAFT
J
ule
ear
u1
u1
boa
shalt
I
b
I CJ
@
T
T
ghtenlng
torque
FUl up grease suffleienUy
on the surface of bearing
race
except other space
Press thIS collar by
metr
The
to
5 tons
3
pressure
T
Ttghtemng
c
collar
change
s
requued
new one
when
daassembled
J
FIG
2
COMPONENT
130
OF REAR
AXLE
torque
Axle Shaft Removal
Choke all the wheels not bemg operated upon Jack up the car
Lower the axle on to the blocks and remove the wheel USIng a screw driver un
screw the drum
locating screws release the hand brake and tap the drum off WIth
tbe mallet
If the brake lInIngs should hold the drum when the hand brake
leased slack off the brake shoe adjuster a few notches
Take off the fIX bolts of the brake dISC and
remove
the axle shaft
as
IS re
shown
WIth SWIng hammer holdIng the wheel studs bolt WIth the rear axle
shaft stand draw out the shaft and dISC assembly by gnppIng It outSIde of the dISC
FIg
Tap
To
rear
axle
case
FJg
3
Remove
of Axle Shaft
l31
and Disc Assembly
SERVICE
SPECIAL
TOOLS
j
DT 4679
SpeCUll
Disassembly
When
FIg
Stand
and As
Hummer
the dIfferentIal axle shaft do not
replacIng
flange
forget the aJustIng washer be
assembly so as to keep the end
and the brake dISC
of the axle shafts
play
Order of Rear Axle Shaft
The
ratIon
rear axle
bearIng WIth
by pressing Into place
the shoulder oLthe
Into
SWJng
of Axle Shaft
embly
tween the top of the axle
hub
DT 4678
4
case
Brake Di
the brake dISC
When
NomInated
In
2
It
warner
IS
ly
em
assembly
IS
the axle shaft
end
replaceable
It
In one
ope
should be
compressed
slum Jetween Its flange and
taken Into consIderatIon
HYPOId gear 011 No MP90 must be used
dlstnct than 320C use MPlt140
prohIbIted
VISCOClty
As
end after InsertIng the
part No 43036 04100
The follOWIng poInts must be
1
fIttIng
c
The
to use any other kInds of gear 011 or any OIl of dIfferent
same brand must
always be selected
The standard capacIty of OIl IS about OIl O 93 i
The method of feedIng 011
by takmg off the feeler plug at the rear cover of the housmg and
sh08ld be done
fIll
In
full up to the
Dismounting
1
2
feedIng
hole
Disassembling
of Differential
Take off and dram out the gear 011
At the tIme of dIsmountIng the gear
Gear Carrier
pull out the
assembly
SIde of propeller shaft
carner
both left and
nght
axle shaft WIth the dISC of the brake
3
4
5
Take off the JOInt flange from the
Pull off the nuts of the hOUSIng and dIsmount forward the
Take off the SIde
gear
6
case
and
bearIng cap
the bearmg
DIsmount the dIfferentIal SIde
As illustrated
In
FIg
5
of
carner
and pry with
a
carner ass
y
lever the dIfferentIal
bearIng
wIth the aid of SIde
132
bearIng puller
pull
out the
The
beanng
bearIng
Inner
should be
7
puller should be handled WIth care m catchmg the
lace WhICh IS hard to hook
Both the left and nght
arranged separagely
DIsmount the dIfferentIal dnve gear
screws on the dIfferentIal gear case
Loosen them
In a
9
dIagonal
RIng gear by loosenIng the 8 VIXIng
spreadIng out the lock washer
consIderIng to keep from the gear bendIng
lIne
and
Usmg of Slde Beanng
5
Flg
8
hedge of
beanng
Take out the dIfferentIal pInIOn
shaft should fIrst be pulled out
the Side gear
The pInIOn mate
by stnkmg out the pInIOn mate shaft lockIng
pIn WhICh IS fIxed on the dIfferentIal case from left SIde from the SIde of
rIng gear fIxed to the nght before pullIng out the pInIOn SIde gear and the
thrust washer
The gear as well as the thrust washer should be
as
well
Puller DT 4686
as
arranged
separately as left and nght front and rear
After takIng the out nut of the carner pull out the
companIon flange
The dnve pInIOn flange wrench should be employed
settmg Its four poInts
m the holes of flange to
keep It from movIng take off the nuts WIth the box
wrench
10
11
Take out the dnve pInIOn of gear carner by
stnkIng out lIghtly to the back
wards the front end at the Side of companIon flange of dnve
pInIOn WIth the
dnft of soft metal
Thus the pInIOn would be taken out together WIth the
Inner lace of rear
bearIng and roller dIstance pIece and the
smm and the 011 seal outer lace and pInIon of front and
well as the pmIOn adJustmg smm left In the carner
Pull out the rear bearIng Inner race of the dnve pInIon
As Illustrated
place
and the
In FIg
adaptor
the round form
WIth the
12
TakIng
VIce
IS
for
flxmg
out the rear
No 6
rear
the dnve pInIOn rear beanng mner lace re
employed m thIS case The adapter In the
should be
fIXmg
one
and the other for
takIng
off
It
IS
easy to handle
In
FIg
as
to make the
end of replacer
beanng
outer race of gear carner
The dnve pmlon beanng outer race replacer as Illustrated
should be employed In tms case
In other upon the stud so
screw
adJustmg
beanng as
at the center of carner
and set the
adapter
6
at the lower fnm of the
race
Supportmg the tommy bar 1 and screw up tIll the corn 7 closely touches
the adapter then screw the WIng nut to take out the rear outer race
133
Too
No
DT4782 DT4631
ii89
DT
Fig
6
134
pull out
T
13
To pull
body 3
out
as
the front
beanng
In
FIg
Illustrated
rear race
outer race from the gear carner
set the tool
7 pull It out WIth adapter B In the
way of
1
2
3
Tommy bar
Wmg nut
Tool body
4 Cone
Adaptor
Beanng
Fig
Dnve
for Front
Outer Race
7
nlon
Outer Race
Front and Rear
Bearing
Replacer
5
Fig
8
Inner Race
135
Replacer
FIG
9
SECTION OF
Tlghten
DIFFERENTIAL
torque 01
pinion
14001680 kg CIII
100
AdJuet
120 ft
driv
CASE
1
nntdrive
IIhl1D8
01
jul tl 1i
ad
pInIon bearilli without
ear drive
oll
lIeal
hypold a
1be
Pre 10ad for pinion
7
10 kg
CIII
Q
Tightenilli torque nutdill
60 q
ca
bra cap 490
3
40 It
254
Gear ratio
TransmissIon 3 gear
Change
4 375
35
8
change
Optional
4 III
37
9
4 625
37
8
4 gear
136
1be
bearilli
Fig
10
137
AX11
RIAl
I
it
o
ii
Jj
i
C
C
C
go
b
t
1
II
1
o
i i
t
l
rg
REAR
138
AXL E
INSPECTION
REPAIRING OF
DISASSEMBLED PARTS
Every parts
compressed aIr
I
Each
after
they are dIsassembled
makmg an InSpectIon
before
bearIng should
be
should be cleaned and cleaned
and
by
the
adjustment
Inspected In every UnIt of ass
deCIdIng to re use them
y
regard
wIth the
defect and defacement before
2
The axle should be
Inspected
In
of the crack and the defacement of
respect
The dIf
measunng the shake wIth the gauge by holdIng the both end
ference over 0 4 mm should be adjusted wIth O 8 m m or replaced
The clearance between the end of rear axle case and brake dIsc should be
splIne
adjusted
3
WIth the
Every gear
end shIm
adjustIng
should be
Inspected
any defects on the surface to
suffICIent standard back lash
as to
If
see
Part No
the
they
43036 04100
lockIng
can
deformatIOn
be
or
condItIon defacement
re
used
damage
In
found
case
of
or
m
replacement
IS
necessary
SpecIally the dnve pInIOn and dnve gear should be replaced
ever the lockIng condItIon gets worse and the defacement IS
because
progress
fIcult to adjust
The perfect
about from 2 3
even
dnvIng
mm to
It
would
WIth proper
COndItIon
3 4
cause
mm In
at
the
nOIse
adjustment
In a
set when
already
In
later operatIon and be dIf
IS made
In
the surface of dnve pInIOn gear should be
dnvIng whIle the gear surface should
unloaded
to touch from tIp to full surface In an ordInary loaded dnvIng
The InspectIon of thIS condItIOn can be made as It IS
If It IS hard to Inspect them as It IS do otherWIse by cleamng the both surface
WIth the rugs before dIsassemblIng and paInt thInly and evenly WIth the mIxed WIth
start
the gear surface dnve SIde then turn the pInIon WIth hand to pnnt the
on the gear
WhIch shows the SItuatIons of conSIderably worn out gear
In case of unloaded test It IS perfect that the gears contact for about three
quarter at the center of 1 4 of whole gear length from too Intenor up end of the
thIn 011
on
track of It
gear
4
on
the
pItch
lIne
Lock the SIde gear WIth pInIOn
together
WIth respectIve thrust
In
the gear
case
of the back lash over O 2 mm and the clearance between the SIde
and
thrust washer exceeds O 5 mm replace the thrust washer
gear
The else worn out parts should also be replaced
In
case
The contact when nng gear IS too close to pInIon center
lash should be adjusted closely or It gIves much nOIse
5
In case
of back
Put the dnve gear nng gear on the buoy block as It IS fIxed In the dIf
ferentIal gear case and measure WIth the dIal IndIcator
Revolve the dnve gear to turn around the dIfferentIal gear case as the
block
Measure the shake at the rear
do not move on the
bearIng
buoy
In
SIde of gear by the scale and the shake should be wIthm O 5 mm
measured
the
face
and
rear face
the
clean
well
gear
fIttIng
mountIng
face of It and fIX correctly then there should not be any shakmg
139
ASSEMBLING
JUSTMENT
AD
Assembling Differential Gear
1
Assemble the pInIOn and sIde gear In the dIfferentIal case
Every parts should be cleaned and OIled WIth new gear oIl then the pInIOn
mate sIde gear and the thrust washer should be assembled by the mentIoned
inspectIon
InspectIon llnd selectIon before pushIng In the pInIon mate to shaft
should be made agaIn m the clearance of between the washer or the backlash
AdJustment must be made In case any abnormal IS found
Stnke In the pInIOn shaft lockIng pm from the rIght SIde of the case opposIte
SIde of dnve gear and must be fIxed by settIng well the stnkmg hole of It
after puttIng It to the reqUIred pISton so as the pIn should not loosen
2
FIX the dove gear RIng gear WIth the dIfferentIal case
The drIve gear as well as the dnve pInIon should be well Inspected ot they
must be replaced as a set whenever the
replacement IS reqUIred
OtherwIse they would not properly lock after assemblIng IS complected
lP mountIng In the case the fIttIng surface must speCIally be cleaned and
fIxed WIth 8 set screws as well as lock washer bend the washer WIth sure
ness after the dove
In tIghtenIng up the screw It
gear shake IS adJusted
should be
damage
set
and
supported by VIce or any other settIng
dIagonal lIne WIth a wrench
It and screw up In a
tools
so as
whIch fIt
not to
correctly
WIth the head of the screws
The standard screwIng torque for thIs IS
25 ft lbs to 30 ft lbs
Screw In for sure stnkmg lIghtly the head of screw
by one quarter pound hammer
3
Mount the SIde
beanng
In
the dIfferentIal
case
Press
In
the both SIde of the
USIng the dnft
It IS Important
m
thIs
by puttmg the SIde
to gIve the bearmg
fIXIng
WIth the
case
beaong by
to assemble
bearIng adJustIng
a proper preload
shrrn
In
carner
Ftg
140
12
ASSEMBLING
JUSTMENT
AD
BY GEAR CARRIER
It
IS
to decIde the
by
assemblIng
of gear whIch IS very Important
accordance wIth the exact
sample
adJustment
y and should be carned
the manufacturer
In an rear
shown
axle
ASS Y
ass
In
The constructIon and mechanIsm
must well be
comprehended refernng to
21 and the adJustment
repaInng exactly accordmg to the condItIon of
practIcal use based on the adJustment by exact calculatIOn
FIg
A
19
The
Preparation for Mounting
the Drive Pinion in the Gear Carrier
I
If the dnve gear dnve pInIon and bearIng are
are as a result of
dIsassemblIng and InspectIOn
to
the reused
they
as
they
should be assembled
order of
dIsassemblIng at the prevIOus CondItIOn of adjustIng shIm
any Item should be replaced or reqUIred to reuse even If any Item
IS worn out prepare the varIOUS shIm as mentIoned later because the
po
SItIon of dnve pInIon to be fIxed WIth carner must be adJusted by the ad
m on
In
case
Justmg shIm between the
2
There
an
are
carner
and pInIOn rear beanng outer race
few numbers wIth 0
or
beSIdes set number marked
on the tIp head surface of drIve
pInIOn
electrIC pen
Peg
13
Adjustment of
141
mon
Height
by
They
show the
0 025
mm
manufacturIng
error In a
to decIde the thIckness of
standard posltlon
center as shown In
The standard
FIg 13 17
at the UnIt of 0 001 In
fIgure
adjustIng
pInIOn
heIght
shIm for
IS
51 0
adJustment
mm
If the fIgure IS dIffIcult to dISCrImInate due to the corrOSIon
the oXIdIze substance on the surface
by a some what narrow
wIth care not to scrape off even the mark
AdJust
3
of
from axle
scrape off
grInd
stone
to the dIreCtIOn of on arrow In accordance wIth the PInIon mark
The thIckness of dnve pInIon
adJustIng
shIm
are
arranged
as
follOWIng
The
use of the
adJustIng shIm wIll be explaIned In the follOWIng paragraph
adJustment SUPPOSIng the dnve gear and the dnve pInIOn were re
placed as a new set and the heIght of dnve pInIOn prevIOusly used was nght
prepare the shIm of thIckness WhICh equals to the dIfference of fIgures on
the new and thIs pInIOn
Deduct the prevIOusly used shIm In case It IS
plus
Increase In case of mInUS and have the
gen ral Idea of reqUIred thIckness
of the shIm for assemblIng to prepare
of
Parts Name
Dnve pInIon
shIm
Part No
ThIckness
38153 25660
adJustIng
0 75
1
0
In
1
0
38154 25660
O 25 mm
0 010 In
2
38155 25660
0 125
2
1
2
1
mm
0 030
0 005
38156 25660
0 075
0 003
It
IS
In
the measurement of pInIOn
tIon of defacement on the carner
conSIderatIon
Fixing
1
mm
In
mm
In
convenIent to Inspect the condItIon before
mentIoned later
B
Standard Leaf No
and
though
It wIll be
adjustment
Dnve pInIOn
In thIS case
dIsassemblIng In a way as
BeSIdes the condI
heIght
beanng must be taken Into
the pInIon
explaIned In detaIl later
of Drive Pinion
bearIng outer race should be mounted In the carner
after InsertIng the properly selected adjustIng shIm as
pre
VIOusly mentIOned between the carner and bearIng race mount the outer
race by the
outer race re
speCIal tool of drIve pInICIl front rear
rear
beanng
placer
For adjustment
of preVIously mentIoned pInIOn heIght the shIm at the
SIde of thIS outer race IS Increased or decreased and the race also
must be taken off In each tIme for thIS adJustment
therefore the tools
must be handled properly to aVOId such a SItuatIon as to make the bearIng
hole of carner In on oval Refernng to FIg 8 for handlmg method of
rear
tool
set the
adaptor
the small hole of
bearIng
nng A
on
the coni
7
to
guIde
the
body
of tool at
put the rear outer race on the com 8
surfaces InSIde at the tIp end of screw and put the splIt
carner
142
as
the
adaptor
mSIde race
At the
same
tIll the
tIme
2
and
supportmg
It
by the
bar
twIst up the
to the setted pOSItIOn then screw
7
adaptor
up the WIng the 2 so as the race be housed properly at the setted pOSI
tIon
corn
race come
Mount the front beanng outer race m the carner
For mountIng the front outer race take off at fIrst the adapter A from
the front end of the carner and fIX the tool at the side of stud m oppo
SIte SIde
tIghten the screw as to be the center of carner as shown FIg 14
then mount It
by
USIng
as In a
adaptor C
way of mountmg the
rear
outer
race
The
3
race IS
Mount the
rear
to be taken off unless
scarcely necessary
bearIng mner
damaged
race
and roller to the dnve pInIOn
By
usmg the round adapter attached to
the dnve pInIOn rear beanng Inner
race replacer whIch was employed
at dIsassemblmg
press In the dnve
pInIon
ThIS mIght
SIng m
dnft
4
as
by the
well be done
use
of
a
In
pres
certaIn
Mount the dnve pInIOn In the
carner and adJust by measunng
the pOSItIOn
The pInIOn heIght must be
adjusted
the preVIOUS para
FIg 14
graph by mountmg temperarIly the pInIon In the carner and the bearIng
On the other hand the beanng of dnve pInIon
be gIven a regular preload
should be newly OIled after the pInIOn IS Inserted from the InSIde of the
as
mentIoned
In
the Inserted end of pInIOn should be locked WIth front bearIng corn
tIghtened up by the pillIon nut fIXIng WIth the companIon flange ull the
regular revolVIng torque IS requIred As thIS IS not yet at the fInal as
the
spacer dIstance pIece
bearIng adJustIng shIm and
carner
and
semblIng
011 seal
beanng
are
not mounted
At the tIme of InsertIng the front beanng as pushIng In the mner race by
pullIng out the dnve pInIOn from the rear SIde of the carner
Put the rear SIde of the carner downward and set the tool under It then
the end surface of dnve pInIon press In the beanng by USIng
supportIng
The operatIon would be eaSIer
Inserter as shown In
the dnft
beanng
TIghten
preload
7 10 kg
by
USIng the dnve pInIon front
Inner race
use of
up the pInIOn nut by turnIng It slowly WIth hands WIth the
the
bearIng preload at
gauge as FIg 15 to the degree that support
cm
When the dnve pInIon
IS
mounted
IS
necessary to measure the
IS
hIgher
or
the
In
heIght
of
lower than the standard
prevIously mentIQIled
arrangement gauge
The standard
beanng
heIght
of the pInIOn
fIxed WIth the
IS
51 0
carner
143
condItIon It
surface of the pInIOn whether It
Make use of the specIal dnve pInIon
rear
mm
from the bottom of the SIde
The
fIXIng pOSItIOn can be measured by settIng an arc of cIrcle on both
SIdes of arrangement
gauge at the posmon of SIde beanng and Insert the
thIckness gauge m the clearance between the
tIp of gauge bar and the pInIon
such as to push m by
scrapmg of the carner m dIagonal otherwIse preload
and the pmIon heIght of the
beanng would come out of order and tend to
cause an unexpected trouble In future
i
r
Fg
5
15
The formal
adJustment of the dnve
After
pInIon bearIng and preload
the fIXIng pOSItIon of dnve pInIon
IS deCIded as mentIoned In the
pre
VIOUS
paragraph
take off the pmIoo
nut
companIon flange to mount
agaIn the dnve pInIOn bearIng
spacer dIstance pIece and nut
up the nut as FIg 16
by
USIng the torque wrench at the re
gular torque of 100 120 ft per Ibs
The preload supportedly the bear
TIghten
Ing In thIS case IS dIfferent accord
Ing to the condmon of the bearIng
adJustIng shIm Inserted
Flg
16
144
The
more
axle
of the shIm Inserted
much the
play
of pInIon to the dIreCtIOn of
Increased
IS
The less of the shIm Inserted
the more the beanng tIghtened by the pre
mentIoned nuts and cause It to be burned If left and turned as It IS
Therefore for readjustment of the bearIng preload In thIS case It must
vIOusly
be
adJusted by
decreaSIng the number of four kInds of ad
follOWIng hst and measunng WIth the use of
dnve pInIon bearIng preload gauge as FIg 15 so as to make the revolv
torque of pInIon at 7 10 kg cm If there should not by any error In the
JustIng shIm
the
IncreasIng or
shown In the
as
Ing
pInIOn WIth the head mark at 0 and the clearance should be sealed at 0 2mm
0 008 In
by the feeler gauge thus pInIOn IS regarded as at the correct
posltlon because the heIght of the gauge
the standard SIze 51 0 mm
Ftg
IS
made shorter for O 2
mm
than
17
Remarks
When measunng the heIght of the pInIOn head set the semI CIrcular
SIde portIons of the gauge on the SIde bearIng seats Insert a feeler gauge
Into the clearance between the tIp of the gauge center rod and the pInIOn
head and adJust the pInIOn
The gauge rod IS made O 2 mm 8 1000 In
shorter than the standard measurement 5 I mm
Therefore adJustment IS made by selectIng a feeler gauge In accord
ance
WIth the
plus
or mInUS
valve marked
on
the pInIon head
adjust the pInIOn heIght take off the dnve pInIOn as
well as pInIOn rear beanng outer race from the carner to adJust by In
creasing or decreaSIng the number of the adjustIng shIm In other words
read the mark on the head of the dnve pInIOn before adJustmg by In
110 5093
creasIng or decreaSIng the number of dnve pInIon adJustmg shIm
If It
IS
necessary to
6 to Insert the feeler gauge whIch
145
IS
deducted for the number of mark
from O 008 in
O 008
m
m case
of
mmus
sIde added for the number of mark to
of
plus
mark shows
m case
For mstance
the
2 adJust the pOSItIon of dnve pInIon by
the number of shIm so as to make the clearance at O 008 m
0 002 m
0 001 m
It IS necessary to give the bearIng a rIght pre
load
At the tIme of pushIng the outer race mto the carner It must be
deductmg
done
m a
way otherwIse
when the old bearmg
rIght
IS to be used agaIn In assemblIng
the
should be made at the lower torque than standard In accord
wIth the COndItIOnS of practIcal use so as not to gIVe It an over pre
SpeCIally
adjustment
ance
load
6
When the former
adjustment
of
preload
of the
beanng
IS
completed
as
the preVIOUS paragraph Inspect the pInIOO heIght agaIn
Unless any
thIng wrong IS found loosen the pInIon nut take off the flange Insert
the new 011 seal In the rear of the carner and formerly fIX the flange
In
washer and pInIOO nut
The nut should be tIghtened up at the standard
In case the cotter pIn hole fItted the adjustment should be
torque
made not
C
by tIghtenIng
the nut
but
by fIllIng
Mounting the Differential Gear Ass
y in
1
gear
Mount the
complete
UnIt of dIfferentIal
There IS a engrayed mark
cap
be fItted WIth mark on the leg of bearmg
bearmg
Important
to note that the
fIXIng part
the washer
Carrier
In
the
carner
and fIX the
the SIde of cap WhICh should
housmg when mountmg It IS
on
of the cap of each
beanng housmg
fInIshed up
The dIfferentIal gear case
IS
machInerly
IS Inserted by the beanng adJustmg shIm WIth
bearmg as explamed m 3 of A and by hOUSIng m the beanng
The
regular preload
housmg of carner the bearIng must be gIven ths
screwmg torque of the fIXIng nut of the SIde bearmg cap IS at 3S 40ft lbs
and should be equally locked WIth fIXIng cotter pIn
So far only the dIfferentIal UnIt IS mounted and the dnve gear IS locked
WIth the drive pInIon therefore the followmg adjustment must be made
the gear back lash
to acqUIre the regular SIde beanng preload
the SIde
2
back lash
bearIng preload
nght preload on the SIde bearIng of dIfferentIal gear case and
In pressIng the beanng In the dIfferentIal case adjust by InsertIng InSIde
the bearIng adJustIng shIm of thIckness calculated In accordance WIth the
follOWIng method of computatIon
There IS a marked numberal of adjustIng baSIS on the beanng hOUSIng of
The numberalIs the manufacturmg
the gear carner and dIfferentIal case
Adjustment
of SIde
To gIve the
erro
D
In
in a unIt of 1
1000
In
agamst each standard
measurement of A B C
FIg
the WIdth of the SIde beanng on left and nght use the stand
In thIS case
ard gauge 20 0 mm thIckness and dial gauge on a flat board
WIth
the
aId
of
block
for
about
2 5 kg
weIght
place the load on the bearIng
To
measure
to acqUIre the
steady fIgures
minus SIde agaInst the each standard measurement
F
XlO and assume each of them as E
the unIt baSIS of l l
for
the
measured
WIdth
IS
When
Take the left side bearmg
example
0 008 m
19 8 mm It IS 0 2 mm
agaInst the standard measurement and
the E IS by excludmg the mInUS sign 0 008 In
Calculate the
of 20 0
error on
mm on
146
The thIckness of the shIm
IS
acquIred by applYIng
the numerals to the
folloWIng
method of computanon
It may as well be assembled
by USIng the shIm of thIckness whIch IS In accord
WIth above method of computanon
The left and nght beanng must be well
pressed In otherw1se the preload changes
ance
Measure the backlash of the dnve pIMon
nng gear as FIg
IndIcator to make sure that It IS WIthIn 0 1 mm 0 2 mm 0 004
much
move to left by takIng off the
nght shIm for adjustment
20 by USIng the dIal
0 008
If It 1S
I
I
fl
J
I
0
il J
I
8
J
l
I
I
I
X
l
I
i
i
I
I
D
c
I
L
FIg
TIuckness of ShIm
Left
SIde
Tl
Example
A
8
on
Left SIde
lCght
l
2
E
8 0 2
F
lO
T1
A
0
0 001
0 008
C
O 07
0002
C
1
B
mmjO
0
1
D
3
0 02S
mm
0 25
2
A
ThIckness of ShIm
SIde
RIght
on
T2 B 0
B 0 F
S1de
6
0 lS0
of ca1culanon
RIght T2
1
I
18
A 0tDE 7
Left
T
I
E
3
F
10
6
10
mm x
20
0 5
mm
7
0 02S
mm
xIS
0 375
mm
6
E
0 002
mm
0 025
7
8
8
mm
02S
T
2
0 007
B
0
O 002
0 015
O 016
TIuckness of left SIde shIm
0 006
TIuckness of
147
F
0 003
0 006
nght
O OlO
SIde shIm
The numeral marked by the electnc pen on the sIde of the dnve gear shows that
For example
b 6 means
of the recommended back lash besIded the set number
the back lash of 0 006 In
0 025 mm x 6 O 15 mm
Fig
After the
1
DIal gauge
2
S T D
3
WeIght
4
The
gauge
thIckness
20
mm
block
beanng
measured
19
Operauon
Fig
20
Measurement
of
148
h for the Dnve
Backla
mon
RIng
Gear
ne
If
ne of each
of
80
ol
ae
6
Y
JI a
or
calculated
f
ro
ae we
left k
alu of
n
ngb
d
ron
prnlOOd
oun
beeau
from above
he duck
pro
nroe of
we
he
on
a ron
0 00
bean
non
0 001
c
cred
be
h he
nu
duc
m
accordh we lum of
prelo
beaT
he
0
pracncal
ven
method
of
computatlon
I
t
tl
t
0
iI
4
J
t
fI
tJt
J
1
1
p
1
r
I
1tt
t
r
Flg
21
UStng the
Dtfferenttal
149
Stde Beanng
Cap Gauge
Saae ar
to the
Chaa
lip
ll
of
A
350
25
torque
T1ghteni
q
420
30 ft lb
Back laab 0 1
0 2
17
1
FIG
22
55
CARRIER
150
Thus the
meter of the
FIg
21
o 002
adjustment IS completed By way of precaunon measure Wlth rmchro
large SIze the L measurement whIch IS wIthIn 173 40 173 55 mm as
SerVIce No
0 05
In
mm
tool DT 468S
If It
IS
left and
InSUfficIent
nght In thIs case
employed for scalIng
add
an
addInonal shIm of
the saId rmchrometer
gauge should be
The shake of the back of dnve gear whIch has been fixed WIth the
be measured by dIal IndIcator to confirm that IS wIthIn 0 05 mm
specIal
Mountin the Gear Carrier Ass
InterIor of the axle
The
carner
hOUSIng
packIng should
y
on
the Rear Axle
should be cleaned well
also be replaced WIth new
Mount the gear carner ass y WIthout mIstakIng
and through 8 studs then fix WIth the lock washer
In a dIagonal lIne so as not to cause the OIl leaks
It IS
mounted
on
the vehIcle
151
carner
21
or
should
Housing
one
upper SIde WIth down slde
The nut must be tIghtened
nut
feed the gear 011 ImmedIately
be feed
011
No
90
should
deslgnated hypoId gear
Feed the 011 nllIt comes up to the down SIde of the feedIng hole
When
the
Its
FIg
The 011 of
It
11 a z i
nng ring
10610 hornb1ac 1 510horn
k
yelow
horn
4842 AD 4842 AD
P
P
WHE L
b1ackl
ste ring bhloacrnk yheolronwl
STERING
WHE L RING RING
Y Y Y
ASS ASS ASS
1060 1060 1 50
48 0 4842 4842
0 0
shel signal shel
SCREW SCREW turn sW1tch
to
fix
SHEL SHEL SHEL
1
yelow
SET black SET SET black
rmg
to
1
10610 30614
3
steng steng
10651 1 5 0 tee 10851
4832 48327 48327
s
7
CJ1
fix
to
3
STEERING
STEERING
Type
of gear
Cam and Lever
Gear RatIo
14 8
Adjustment
AdJusung
DIameter of steerIng wheel
405
Tunung
screw
and nut
mm
5 000
cIrcle
1
mm
The steermg tube revolves a cam whIch engages In turn WIth a taper peg fIt
to a rocker shaft WIthIn roller
bearIng ThIs assembly IS enclosed In an 011
tIght caSIng whIch carnes two ball beanngs at eIther end of the cam
ted
When the steenng wheelIS turned the tube revolves the cam
the taper peg to remove over a predeternuned arc thus
causes
shaft Its deSIred motIon
connected to the rocker shaft
IS a
WhICh
gIving
In turn
the rocker
steenng IS a steerIng
The steermg IS of the
that lInks up WIth the steenng lInkage
cross rod lever
three cross rod connectIng the SIde and cross rod lever to the gear arm on the
Idler shaft
Two shorter SIde rod one on eIther SIde connect the steenng gear
arm to the
steenng gear and Idler arms respectIvely
SIde
Side Cross Rods
The SIde and
cross
rods
are
held
In
poslUon
by
a
castllated nut and
spht
pIn
at each end
To
removt
the rod
the rod and then
spht pIn and release the nut at each end of
the
rods
clear of the levers to whIch they are con
tap
WIthdraw the
carefully
nected
Removing
These
the
are
Steering Gear Arm
secured to the steenng gear rocker shaft and Idler shaft respec
Normaly these levers need not be removed for
tIvely by a nut and splIt pIn each
The only occaSIOn reqUIrIng theIr removal would be
any general maIntenance
when damage has occurred under WhICh CIrcumstances the steerIng box or Idler
should also be
remove for InspectIon when the arm concerned can be wIthdrawn
the steerIng gear box or Idler has been removed to the work bench
The gear arm should be WIth drawn from the shaft concerned USIng a SUItable
once
extractor
The gear
arm
must not be hammered from Its shaft
153
Flg
1
1
Steenng Gear
Flg
Removing
the Idler
1
2
Steenng
Gear
After the sIde and cross rods dIsconnected the Idler can be detached from the
It IS secured by two bolts to the front
body
suspentIOn member
HoldIng the Idler body on the bench and take off rubber cover
Unscrew the Idler shaft out of the body
Steering Gear Housing Removal
RemOVIng
lock
the horn nng
then dIsconnect
assembly from the steenng wheel unscrew
hIgher up the column Jacket from the hOUSIng
the column
FIrst dIsconnect ball stud nut and draw out from the end of steenng gear arm
Unscrew the bolts secured to front suspensIOn member
Thus the steerrng
154
w
I
5
J
q
in
J
U
ct
4O
0
1
J
l
u
0
J
lJ
gg
go
0
2
U
cz
6
1
o
aill
o
w
U
5
1
rn
1
t
4O
Z
1
II
U
1
lI
ol
J
Sl
tIl
0
d
00
00
00
ci
r
00
l
2
2
1
J
f
u
0
J
J
0
U
in
155
Steenng
Gear
HOUSIng Removal
RemovIng
the horn rIng assembly from the steerIng wheel unscrew the column
then dIsconnect hIgher up the column Jacket from the housmg
FIrst dIsconnect ball stud nut and draw out from the end of
steerIng gear arm
Unscrew the bolts secured to front
member
Thus
the steerIng
suspensIOn
lock
NUT
COLLAR
WIRE
ns wbeel
I
WASHER
Jock
0480S0 10600
COMP COLUMN
S050 10800
COMP COLUMN
eket
Jacket
48052
10650 ARM
III rk
80S2
enns lurC yellow I lane
48052 10651
ARM
6J
kM
S sure yell
108S0 ARM
Il
48052
80 U l
DS seal ycllow 1
48052 10852 ARM
n
seal
yellow lhoe
o
fu
1111
WASHER
t
ASS Y
BEARING
m
ASS Y
ASS y
STUD
HOUSING
HOUSING
hOVIIDS
te
front
front
I
1
Fig
3 STEERING GEAR
156
2 ItDC
DO
r
tie
0
front
y
hae
L
R
hOUSIng assembly
gear
should be removed from poslUon
Disassembly
SupportIng the housmg on the sUItable bench leavmg the rocker shaft free
Remove the rocker shaft cover after
extracllng the four setscrews
Tapped out the rocker shaft usmg a soft metal dnft A ball roller IS sItuated
WIthIn needle rollers fitted m the ball plug of the shaft and care should be exercIsed
that the rollers do not fall out It a ball roller IS removed
moved If
showmg
an
apprecIable
It should only be re
DIsconnect the three nuts of the
WIth shIms
amount of wear
front cover m posIuon and release thIs
Take off column Jacket way
cover
The
complete unIt should now be up ended wIth the steenng housmg uppermost
By bumpmg the end of the worm gear agaInst a wooden block tap out on the floor
the worm gear WIth rear beanng WIll be dIsplaced
The complete Inner assembly
can then be WIthdrawn from the
housmg through the open end of It
Then WIth the steenng wheel held to prevent If from turnIng endeavour to turn
the SIde rod and gear arm
Should the steenng wheel have a tendency to 11ft It
may be assumed that there IS excess end play In the worm gear
Assembling
housmg IS merely a reversal of the dIsmantlmg pro
shIms
should be fitted behInd the front cover so that
adjustIng
end play on the column but at the same tIme they should not be pre
Reassembly
of the gear
cedure however
there
IS no
loaded
otherwIse damage to the ball races may ensue
When the rocker shaft IS dropped Into posIuon ensure that It IS a good fIt m
ItS hOUSIng and that the OIl seal at the rear cover of the housmg IS makIng good
contact
Before
refitung the rear and front
Ensure that all Jomt are 011 ught
Adjusting
The
cover screw
back the
adjustmg
nut
the Gear
adjustIng
screw m
the
cover
should be slackened
and unscrewIng the screw a few turns
Then the adJustmg screw should be down untIl there
by releasmg
IS no
the lock nut
free movement
m
the
straIght ahead pOSItIon of the gear and adJustment secured by lock nut Fmal
adjustment should be made once the gear has been reassembled to the housmg
It should be noted that as wear In use IS normally greater In the straIght ahead
pOSItIOn than on lock prOVISIOn IS made for thIs In the deSIgn of the cam and It
WIll be found that there IS a slIght end play towards each lock
The steenng gear hOUSIng should be filled WIth recommended gear OIl through
the filler plug SItuated at the rocker shaft cover and then a final test made to en
sure
that the movement
IS
free from lock
Steering Faults
Loose steerIng IS Invariably attributed end play of the worm gear through
steenng column whIch can be rectIfied by the removal of shImes located behInd
To check for thIs end play
the gear hOUSIng front cover as already mentIoned
dIsconnect ball JOInt stud at the end of cross rod from gear
steenng partly to the nght or left lock
157
arm
and turn the
BRAKE
GENERAL DATA
Type
Foot brake
HydraulIc
Hand brake
MechanIcal
expansion
2 shoes for 4 wheels
mternal expansIOn
rear
wheels braked
Lmmg
Width x TIuckness
x
40
Length
x
4 5
x
215
Same for Front
mm
Rear
Area of surface
Brake drum dIa
Master
cm2
Front
cylInder
35
Rear
cylInder
228 6
cm 2
22
mm
Same
for Front
bore
Inner dIa
Wheel
Rear
Front
22
bore
Inner dIa
Front wheels 25 40
Rear wheels 23 81
Fig
1
Front Brake
brake dJsc
158
Flange
mm
mm
Rear
2
Fzg
2
Front Brake
Out Szde
are hydraulIcally operated by foot pedal applIcauon
cylInder In WhICh the hydraulIc pressure of the brake
operaung flUId IS ongmated As supply tank cast Integrally WIth the master cylInder
provIdes a reserVOIr by WhICh the flUId IS replemshed and a pIpe lIne consIsung of
tube fleXlble hose and umon Inter connected the master cylInder and wheel cylIn
The brake
all four wheels
on
d1recdy coupled
to a
master
ders
IS
The pressure generated In the master cylInder by applIcatIon WIth the foot pedal
transrmtted WIth the equal and undImImshed force to all wheel cylInders SImul
taneously
ThIS
moves
dUCIng
pl1ed at
the pIstons out wards WhICh
equalIsatIOn and effiCIency
automauc
the pedal
When the pedal
IS
In
In
turn
expand
the brake shoe thus pro
to the effort sup
dIrect proporuon
released the brake shoe spnng return the shoe whIch then
re
cylmder pIstons and therefore the flUId back Into the pIpe lInes and
An mdependent mechamcal lInkage actuated by a hand brake
master cylInder
mounted dnvers seat SIde
ThIS IS posItIOned on the nght hand SIde of seat If the
car has nght hand steermg
and on the left hand SIde If It has left hand steenng
Operated the rear wheels by mechamcal expanders attached to rear wheel cylInder
turn
the wheel
bodIes
FRONT BRAKE
The front brakes
are
constructed
by
the two
leadIng
system WIth each
two
wheel
cylInder
allowed to slIde and centralIze automatIcally dunng the actual
whIch
dIstnbutes the brakIng force strongly over the lImng area
brakIng operauon
the fnc
ensunng hIgh effiCIency the brake d1sc caused by adJuster hOUSIng agaInst
The shoes
are
uon of the brake
lImngs
of front and
rear
shoes ana
159
even
lInmg
wear
i
l
p
z
q
x
O d
fItJ Ul
0
nt
if
ilL
o
c
3
x
Sj
2
ct
U
0
o
s
u
1l
Z
u
f
r
to
III
@
2
t
t
u
c
n
ui
tJ
fO
J
J
Ii
u
o
V
z
0
P
c
0
VJ
0
l
100
u
FIG
4
ADJUSTI NG OF
161
FRONT BRAKE
L
lJ
Q
IOSe
140
1
Ot
lo
1050
41020
OJO
Pio
ii
wsi
1
t
cyl
51
Fore
f
L
0n
5ect1
BRAKE
FRONT
5
on
FIG
EeSt1
Q
SL
ectOn
3
dll
ng
Rotau
UOl
B
dl
of
0
l
op
l
PiN
rod
pull
SPRiNG
cros
off
LlNKAGE
C
l
j
to
BRAKE
HAND
6
FlG
C1CJ
o
0 SectIon
A
B
B SectIon
1055
AdJustment
of brake shoe
ThIS precaution should be taken to elIminate
the possIbIlIty of brake shoe drag due to
mlB
adJusted parking
bolt to
screw
screw
2
brakes
dIrection
tightly
3 notches until the wheel drum turns
Just free from the shoe
FIG 7
Turn the
and then turn back
REAR BRAKE NO
164
I
as
IJf
23a
N
I
A
FIG S
REAR BRAKE NO 2
165
Adjustment for the front brake shoe IS by means of the teeth of the gear WhICh
located at the lower posItton of the brake dIsc
Remove the dust cover of the urn servo housmg
Tap the adjuster hOUSIng and
Insert a screw drIver through adJusttng hole and engage the teeth on the wheel
Turn the
drum
adJusttng
nut down dIrectIon untIl the shoe becomes locked on the brake
then turn back It
upward
dIrectIon unttll the shoes becomes Just free notches
RJ AR BRAKES
The
the
brake shoe are not fixed but are allowed to slIde and centrallse WIth
effect as In the front brake
They are hydrauhcally operated by wheel
and Independent hand brake mechamsm
rear
same
cyhnder
WASHER
ASS Y
nYIotn
BRACKET
SPRING
hand brake
contro
retainer
WASHER lOCk
to
BOLT
SPRING
fn hand brake bracket
retainer
ASS Y
LEVER
hand brake control
SPRING nalI
tr fake
NAIL ratchet
hand brake
control
WASHER
nyIon
PIr
clev18
YOKE
hand brake
WASHER
control
nylon
p
Fig
9
Hand Brake Control
166
COMP
hand
rEM
S
brake control
Flg
Adjustment
for the
10
AdJudhng
Brake Shoe
brake shoes
IS
by means of the screw bolt whIch
TIns precauuon should be t
lken
to ehrm
nate the possIbIhty of brake shoe
lg
drl
due to rms adJusted parkIng brakes
Turn the bolt to screw dIrecuon ughtly and then turn back screw 2
3 notches
located
at
rear
the outsIde of brake dIsc
untIl the wheel drum turns Just free from the shoe
167
tlABCO
B
tlABCOl
ng
t
TOK1C01
SlUM
dlu
ble d
A
d
Ung
SCREW
T01 CO ungSIUM
tel
l
B
ung
b1e de
dlu
y
ASS
CAP
SIIlM
u
d
H
hoe
tet
lte
l
bt
u
r
SIUM
INOCYER
weDGe
OUSING Ildlu
A
wbe l
TAP ET b
U
d
dlu
u
N
d
TAP ET
lr
b
BRAKE
her
OE
Sl
blake
yG REAR
Y
ASS teat
y
ASS
shoe
lo
bte
l
t1 de
feto
tlABCO
ICO
SPRlt4G adlu ng
B
TO
tetutn
t
B
du
G
t
du
COVER
de
SPRn cyhnder
COvER
10
CO
Ir
NABCO
T01
b
e
e
EVER EVER
y
S
AS
y
b
OE
Sl
ntlG
u
y
ASS
ASS
a
G
f
HAND BRAKE
The hand brake operates on the rear wheels only and IS applIed by a pull up
The cable from the control IS
type of lever sItuated along sIde the drIver s seat
The hand brake
attached to the toggle lever connected WIth the rear brake dIsc
IS set when leaVIng the works and should not requIre any attennon under
normal mamtenance
Only when a complete overhaul IS necessary should the
hand brake lInkage requIre resetting
lmkage
When thIs IS correct the rear shoes should be locked to the drums the hand
brake control Just slIghtly applIed and the WIre rope set WIth the slackness Just
removed by means of a nut at the center rod of the equalIzer drag lInk
Ftg
12
AdJusttng
Nut
MASTER CYLINDER
ThIs
IS
conSIsts of an
WIth cap
The Inner
ondery
cap
assembly
alloy body
IS
return spnng
WIth
made of the
a
push
polIshed
rod
fimshed bore
reserVOIr
stoper plate nng pIston
let out valve and check valve seat
169
and
sec
The open end of tlle cylInder
the Brake Master
dIsassemblIng
protected by
CylInder
IS
rubber boot
a
shown
as
FIg
Olsconnect the pressure pIpe umon from the cylInder and remove the secunng
bolts when the master cylInder and flUId reservOIr may withdrawn complete from
Pull back the rubber boot and
the car
Remove the filler cap and dram out flUid
The push rod assembly
remove the stopper nng WIth a paIr of long nosed plIers
can then be removed
When the push rod has been removed the pIston WIth the
the pIston assembly complete
secondary cap WIll be exposed therefore remove
small parts
other
can
be
out
The assembly
separated by takIng
Exarmne all parts especIally the rubber prImary cap for wear or dIstortIon
and replace WIth new parts where necessary
l
s
CLUTCH
BRAKE
GASKET bller
SET CAP
cap
f1llet
s
SPRING
return
brake
SPACER plstOll cup
pedal
11
PISTON brake
CUP pIston
NlUJASHER
I ASS
0
1
Y
imaal1erl
ASS Y VALVE
l
S
secondary
COVER dust
us
ROD
Q
t
s
aJP
l
SPRING
valve
plStOll
prnnary
SEAT
valve
1
i
1
NUT
WASHER lock
BOLT
RING snap
NU
llUSHING
pedal
fulcrum
STOPPER
e pedal
bral
f
0
PIN
cleVIS
brake
PIN fulcrum
SLEEVE pedal shaft
master
cyl
ASS Y PEDAL
brake
FIg
13
Brake Master
Cyltnder
BleedlDg the Hydraulic System
BleedIng
IS
dIsconnected
of the hydraulIc system has been
necessary any time a portIon
If the level of the brake flUId has been allowed to fall so low that
or
170
i
jl
or
r
17
I
rr
WaSh
Puley
Nut
N
Termlna
Washer
l
Termlna
Washer bolt J
Sethng
t
r
waSh
l
1
G
Ir l fTI02
l00 3
J UJ
c D fI
Beartng
L
Jt
r
ALTERNATOR
I
Alternator
MItsubIShI OenkI Co
Model
AC300 12AIR
NomInal output
12V
Constant
SuccessiVe
300W
SIde
Pole
ground
Constant revolutIon
2 500
r
p
m
No load
1
000
r
p
m
down 14V
2 500
r
p
m
14V
24 SA up normal
temp
2 500
r
p
m
14V
21 SA up
Output
Pulley
mInlmum
revolutlon
current
MItsubIShI DenkI Co
Regulator
23500
RL
Type
TIrnll type leaf spnng
Element
Constant
Constant
3 contact pOInt type
PrImary
Adjust
valve
14
voltage relay
14
15V
4000rp
Load
Battery
Pilot lamp relay
battery charged
3 contact
Put off
4 2
In
full
Put
voltage
on
o 5
5 2V
tl 2c
1
174
lamp relay
SIde
15V
Battery
reSIStIng
point type
1
12200
4000rp
m
load 21 SA approx
Use
PIlot
Secondary
SIde
Dynamo revolutIon
NOTE
temp
A2
Model
voltage relay
hIgh
1 73
1
ratIo
normal temp
voltage
3V
m
JOR
MA
COMPONENTS OF ALTERNATOR
1
2310061200
23500 12200
Q ty
Part Name
Part No
Alternator
ass
Regulator
Nut 17rjJ
Pulley
Through bolt
ass
1
y
1
y
I
2
23153 12210
23151 12210
3
23131 12210
4
23118 12210
5
6
23102 12210
23120 12210
7
8
23108 12210
23129 12210
9
23230 12210
10
23183 12210
23133 12210
Rear
Brush holder
1
23135 12210
23127 12211
Brush
2
I
11
12
Front cover
Stator ass y
1
4
ass
y
ass
I
1
y
set
slIp
nng
1
I
cover
cover
WIth
1
Ball beanng
DIode set
Rear
1
1
Ball beanng
Rotor
Remarks
ode
wIth dIode
brush
brush sprIng ball
beanng each
holder
etc
termInal
21067 10800
I
Fun belt
175
GENERATOR
Construction
and Feature
DIfferent from the DC generator
the AC generator turns the magnetIc
pole
and fixes the armature makIng it generates 3 phase alternate current and rectI
fies all waves WIth the sIlIcon dIOde
each three that are buIlt wIthIn and
takes out
as
dIrect current
F Terminal
A
1
Fig
D
Rotor
1
ass
Sectwnal VteW
@ DIOde
@ Front
y
00 Pulley WIth fan
@
Starter
@ Rear
of Dynamo
set
@Brush
cover
@Beanng
Brush holder
armature
I
cover
cover
@ Diode
@ Brush
cover
The sealed ball beanngs @ @ are used to support the rotor
Clearance between the brush and brush holder IS also made so as to prevent
It from dust
Thus the AC generatOr WIll Increase rmlage WIthout maIntenance
Each 3 dIodes
are
pressed
In
the
rear cover
and the dIode base
respectIvely
iJ Field core
jField segment
@Fleld
@ Shaft
Fig
1
1
Sechanal V
ew
of Rotor
176
r
COli
The clIp rIng pressed In the shaft is soldered at both ends of the field COIl to
pass magneuc current
The pole of rotor makes out the magneuc CIrCUIt as shown In FIg 1 3 and all
the poles are magnetIzed by doughnut COIL
sw
I
I
1
QlI
8
Ql
tll
t
01
t
AI
J
I
1
I
1
ffil
I
J
FIg
1
3
Magnettc CIrCUIt
The armature
fIes all
It
IS
of
a
three
FIg
phase
1
4
ConnectIon wlthm
Dynamo
type and the SIlIcon dIode
Y connectIon
reCtI
the neutral pOInt and adds voltage haVIng conducted 3
rectIficatIon In the CIrCUIt of relay and controls the voltage COIl of
waves
pulls
out
phase half wave
the pIlot lamp relay
Regulator
17
IG
CJ
7
e
I
j
I
01ll
U
I
I
I
I
l
I
I
I
0
I
a
I
lco
I
tlIl
L
Dynamo
Ftg
1
1
5
Regulator
L
Q
j
1
I
I oj
18
Charge pllot lamp
J
Chnrglng System
FIg
1
6
OutSIde Connection
In the arrow
When the IgnItIOn SWItch IS put on the battery current flows
brush
slIp nng field
marked dIrecOon passIng through the dynamo E termInal
and
lG termInal
F
termInal
F
termInal
relay
COIL slIp nng brush dynamo
stand up only
the
to
In
dIfficult
for
filed
CIrCUIt
It
dynamo
and
the
completes
IS necessary
reSIdual magnetIsm of the field core so that magneozatIon
started
unol voltage nses to SUIt charging after the engine has
add to It IS so
ThIs IS because the dIode IS used and when the voltage to
does
not flow through
shows
and
current
up
low large proporuonal reSIstanCe
revoluoon
the
makes
field
COIl
unless
hIgh
the
dynamo
very
by
177
DISASSEMBL Y AND ASSEM BLY
A
Disassembl
The
dynamo
18
wsassembled
In
the
folloWIng
order
a
completed 23100 61200
parenthesIZed IS the part
The
The
number for SP31O
2 1
Flg
b
i
t
1
1
jI itu
ll
I
l
1
r
J
j
l
1t
Flg
Remove the brush
23107 12210
brush
2
ea
and
cover
pull
23135
off the
0
612
2 2
c
J
llIl
j
t
v
o
i
1
1
l
1
t
c
I
I
J
Remove the
cover
23130 12210
of bearIng 23129 12210 lIS
62022 ZZCa and take off the
o
Flg
hex
2 3
178
bolt of shaft
Remove the hex
d
pulley
the pulley
of
nut
23153 12210
23151 61200
and
and the half
moon
pull off
key
Be careful not to m
23195 12210
jure the fan when the nut IS removed
00
2
FJg
4
Remove the
through bolt 23131 12210
front cover 23118 12210
bolt
ughtemng
and rear cover 23183 12210
pull off
e
1
I
FJg
the front
Use
I
a
cover
and
rotor
23108 12210
hammer of wood or
plastIc
If
necessary
2 5
Remove the ball
f
beanng from Front
Remove the bolt 23352 09610
cover
tIghtenIng
the
beanng plate
or pull off
23123 12210 and
Slacken N terrmnal bolt
cover
sIde and
then the
be
FJg
the
such as a hand press
bearIng WIth
remove
rear cover
on
the
the
clIp
rear
terrmnal
and the stator
can
separated
2 6
g
Remove the
rear cover
23102 12210
dIode
3ea from the stator cOli lead
3ea
WIre
electnc
on
the
clIp
by meltIng soldenng
Iron
rear cover
terrmnaI
NOTE
2
WIth
SIde and
then the
remove
rear cover
separated
7
When temperature wIthIn dIode gear up over lS0 C the dIode wIll lose
functIomng so that use the electnc Iron 100 200W for around 2
seconds
at
the soldered portIons
179
an
Slacken N terrmnal bolt
the stator can be
FJg
and stator
the sIlIcon
Separate
the
and
h
Remove the dIode set and brush
k
t
yr
1i
holder
cover
small parts such
and bushIngs
l
J
L
j
d
f
c
23133 12210 from the rear
when be careful not to lose
as
screws
washers
1
i
p
2 8
Frg
B AssemblY
Assembly
IS
done
INSPECTION OF
A
InspectIon
of
In
the
reverse
sequence of
dIsassembly
TROUBLES
Output
For inspectIon of output
WIrIng as shown In FIg 3 1
remove
the
dynamo
from the vehIcle and connect
For inspectIon of output
WIth motor
of dynamo WIthout removIng It from the vehIcle refer to inspectIon of AC
generator to be publIshed later
and dnve
It
NOTE
Use the
In
capacIty
2 3
Fg
battery charged
full up to the normal
3 1
magnetIc current flows from the
Through the WIrIng shown In FIg 3 1
raIse revolutIon of dynamo slowly
thIs
state
In
battery to the field COli of dynamo
flow
2A
to the field COli and
where
there
IS
no
reverse
approx
up to the speed
read the revolutIon
Next
Increase
Correct revolutIon
load reSIstance to the
IS
approx
maxImum
000 rpm WIthout load
and almost stop flOWIng of load
1
Then raIsmg the load current slowly Increase
and put off the SWItch
Observe
thus
revolutIon of dynamo
IncreasIng output current as revoluoon of dy
current
namo Increases
180
If there
IS
IS no
large
dIffer
nce
from the
It IS
specIficatIon
correct
No matter how the battery IS over charged or dIscharged If the chargIng current
small first make sure eIther the dynamo or the relay IS In dIsorder
See the
chargIng
current
DIsconnect
by InsertIng
the
ammeter
between A termInal of
relay
and the battery
paSSIng from the dynamo F tenmnal to the relay F termInal at
the relay F termInal and make the removed lead WIre short CIrCUIts at the relay
A terrmnal when If the chargIng current hIghly Increases the relay IS In dIsorder
B
WIre
Short CIrCUItS
on
DIOde
SIde
Judged as the pIlot lamp does not flare even If the key SWItch IS turned
Actually a trouble such as dIode open IS very rare and short CIrCUIts at the
SIde short CIr
polar lIne are also rare OrdInanly there are many cases of
It
can
be
on
CUIts
C
InspectIon
1ode
of D
WIth Tester
a
Check between the terrmnals
as
shown
A
N
Set the dIal
FIg 3 2
for conductIVIty and put the
In
of tester
tester needles at both terrmnals
alternately
When
one
shows low reSIstance and
the other shows pretty hIgh reSIst
ance
the 3 dIodes In the dIode set
are
all
rIght
Check between the terrmnals
same as
A
E
above
When the same result IS obtaIned
3 dIodes are also all nght
Hg
3 2
However
found
In
when there
thIS
SImple
dynamo output
IS
IS no
d1sorder
test and the
somewhat lower
1
2 dIod s are
opemng when one by one
checkIng Will be necessary
than the standard
often
In
T
Fig
3 3
f
b
Separate InspectIon
Check reSIstance wIth the tester between the dIode base commonly used
2 tImes changIng the poles
for 2 dIodes and lead WIre on the rear cover
When one SIde shows low reSIstance and the other shows hIgh reSIstance
1
181
o
There
IS no
both sIdes
dIsorder
are
hIgh
Fig
D
InspectIon
a
If both sIdes
are
low
there wIll be short
CIrcUlt
and
there wIll be open
3 4
5
3
Fig
of DIOdeJ
wIth
Lamp
Slmple InspectIon
3 6
FIg
Check between the termInals
A
N
as
shown
lamp
12V
In
FIg
In
straIght and put both
On one SIde the lamp flares and on the
alternately
3 dIodes of the dIode set are all nght
Connect WIth the
ends
3 6
at
A and N termInals
other the
lamp
IS
off when
When the same re
N
E
same step IS taken between the termInals
However If the
obtaIned 3 dIodes pressed In the cover are all nght
SImple test IS all nght but when the dynamo output IS lower than the standard
The
sult
1
lS
2 dIodes may often be openIng
so
that
o
182
one
by
one
check WIll be necessary
3
Fig
b
7
Separate InspectIon
r
FIfJ
Flg
3 8
Check between the lead
2 dIodes
or
the
rear cover
SIde flares and the other
and both SIdes
E
InspectIon
are
off
WIre
and the dIode set
common
3 9
WIth the other
lamp and battery It IS all nght If one
If both SIdes flare there IS short CIrCuIt
WIth the
IS
off
there IS open
of FIeld CoIl
11
1
r
FIg
3 10
183
i
As shown
If there
are
the rotor
F
Ball
FIg
In
shp
3
7 n
6
nght
tester between the
Make
sure
there
shp
IS no
nng of rotor and
conducnon between
BearIng
InspectIon
a
put the
nng and the shaft
Both sIdes sealed ball
G
10
It IS all
of Stator
beanng
IS
used
so
lubncanon
IS
not necessary
Armature
Conducnon Test
If the terrmnal connected to the
dIode
IS
not conductIve WIth the
stator core
Fg
that
IS
all
nght
3 11
If each terrmnal of the COli and the
terrmnal connected to N terrmnal
are not conducnve
that IS all nght
FJg
b
Layer
3 12
Test
Connect the tester cord to loov WIre put the stator on the test stand and
one turn readIng the ammeter
If there IS short CIrcUIt on
make the tester
the coIl
SWIngs of the ammeter
there WIll be no change
abruptly
184
Increase
and If there
IS no
trouble
Fg
H
InspectIOn
and
WIpe WIth
slIp rmg
Same
to
the
of Brush
clean cloth when 011
as In case
wear
3 13
or
of DC generator
dust
IS on
replace
the contact surface of the brush
the brush when
wear
of It reached
hnut
t
185
REGULATOR
1
Constution and operation
1
ConstructIon
F g
2
OperatIon
of Constant
4
1
Voltage Relay
When the 19I1ltIOn swItch IS on
battery passes
the dynamo E termInal fIeld
carrent from the
through
I
I
cOlI
I
I
I
I
I
pomts P2
magneuzed
contact
dynamo
I
IS
WhIle It also frows the
I
I
It
r
L
l
Dynamo
Fg
1
Pi
E termInal
N
J
L
Regulator
the
o
lamp
contact
and the
regulator
pOInts Ps
p
and
flares
t
f
4 2
When the engine starts and the dynamo IS dnven three phase alternate current
three phase all wave rectIfier
generates on the stator coIl passIng through the
the
ternunal A E for chargIng
dIode and changes to dIrect current between
A
that
E generates and passes
ternunal
half
of
between
At the N
voltage
COIl E termInal and WIth actIon of the VC
the CIrCUIt N ternunal
through
VC1
WIth P6
so
the movable contact pOInt Ps leaves from p and makes contact
E
ternunal
contact
pOInts
thaCtlie la l1p IS off and It passes through the CIrCUIt
and
Ps P6 reSIstance R2 VC2 COIl and A ternunal then the VC2 coIl anImated
COlI
186
prepares to VIbrate the movable contact
pOInt P2 of the constant voltage relay
When the dynamo revolutIon
gets
hIgher the contact pOInt Pa separates
from PI WIth electnc magnetIsm of the
e
VCa COli and the field
l lilT
o
U
CIrcuIt
cd
l1
c
OIel l
all
ll
It
dynamo
j L
of
dynamo
termInal
E termInal
4 3
contact pOInt
F
field call
contact poInts Pa
repeated accordIng
Fzg
current from the
E termInal field
cOIl F termInal and resIstance R I and
when the contact pOInt Pa contacts WIth
PI the current flows through the CIrCUIt
0
M
of the
PI
ThIs
to VIbratIon of
IS
the
Pa and the dynamo termInal
voltage IS kept evenly
chargIng
and contInues
u
S
e
I
s
t
m
8
1
s
oIell
a
o
all
ll
00
Dynamo
o
Re
ulator
o
E
Eo
4 4
Ftg
Fzg
4 5
When the dynamo revolutIon gets stIll hIgher the movable pIece IS drawn and
the movable contact pOInt P z stIcks to P3 so that current almost does not flow
the field and the generated voltage of dynamo goes down
As the result the cont
act poInt Pz separates from P3 and the current from through the dynamo E terrmnal
fIeld COli
speed
voltage
F terrmnal
reSIstance
WIth open and close of the
IS
At such a hIgh
Rl and voltage goes up agaIn
and
the
P3
dynamo termInal
pOInts Pa
contact
always kept evenly
S
The operatIon of thIS tlme IS called a hIgh
speed operatIon and the adjust voltage IS
colled a secondary voltage
When the dynamo revolutIon goes down
and chargIng capacIty reduces the voltage
e
jri
lIDi
between the terrmnals
o
I
e
u
Oll
III
N
E
also lowers
As the result the electnc magnetIsm of
VCI COIl weakens and the contact pOInt Ps
llll
fixed WIth the movable pIece can not con
tInue contact WIth P 6 and changes to P 4 SIde
o
and
E
lIghts
the
lamp IndICatIng
non
generatIon
When the IgnItIOn swItch IS turned off to
stop the engIne the lamp goes out and the
Fig
4
6
current to the fIeld COli IS
187
e
suspended
3
Operauon
of PIlot
Lamp Relay
As shown In FIg 4 2
thIs IS made up WIth the contact pOInts p
Ps and P6
The contact pOInt Ps IS on the movable SIde and usually makes contact wlth P
Between the termInals N
E the movable pIece lS drawn when voltage half of the
battery
IS
added and Ps fixed to the movable pIece separates from p and makes
When the voltage between N
E termInals IS conspIcuously reducted
contact to P 6
makes contact WIth P agaIn
The voltage between N
E termInals necessary for Ps to make contact WIth P 6
Put off voltage and that Ps changes from P 6 to p IS Put on voltage
Ps
2
IS
Adjustment
1
Check
Adjust
Voltage Relay
Value of Constant
Connect the
full
battery
almost
charged
shown and make the dynamo
revolutIon WIth 4 000 rpm
When the voltage of thIs tlme IS
In
14
Fig
2
Check
Voltage
4
as
ISV
of Put off
Put
on
PIlot
Lamp Relay
lamp WIth con
FIg 4 8 and read
the voltage between N
E by puttlng off
the lamp mOVIng the volt splIt pOInt of
ThlS IS a put off
the rubbIng resIstance
voltage
move the rubbmg
From thIS state
resIstance volt splIt pomt and lower
the voltage and read the voltage Whl m
the lamp frares
If the
ThIS IS a put on voltage
4
2
2V
the
off
IS
5
and
put
voltage
all
on
IS
O
S
3V
It
IS
put
voltage
nght
FIrst
r
I
I
I
I
I
I
P
h
P
vc
RI
I
n
A
Fig
3
Adjustment
The
must
of
nght
7
nectlon as
1
It IS all
f
jj
4 8
Gap
Constant
Voltage
voltage adjust values of the
be as shown m FIg 4 9
PIlot
constant
188
put
on
shown
the
In
Lamp Relay
voltage relay
and the
pIlot lamp relay
Gap
G1
Constant
P110t
Voltage Relay
Lamp Relay
Flg
4
AdJustment
G2
G3
o 8
1
0
0 7
09
0 3
04
o 8
I 2
08
11
0 8
I I
4 9
of Voltage
voltage of the constant voltage relay and pIlot lamp relay
AdJust
voltage by bendIng the stopper up and down Bend upward
heIghten adjust value and bend downward to lower adJust value
Put off
the
189
to
14 ITEMS ON HANDLING
Reason
ProhImUon
1
When mountIng
pOint
2
Make
vehIcle
polIsh
the
both sIdes removing
pOInts
rust or 011
the engine sIde pItch and
pItch of the front cover
sure
sIde
dynamo
are
on
on
contact
well fitted
3
Be attentIve
4
Regulator
the belt
to
tenSIOn
sealed WIth lead
IS
If the seal
together
IS
claIm perIod
rE moved dunng the
the claIm WIll
In
valId
5
If the earth IS not correctly set
the adjust value WIll change
6
Connect the
dynamo
and
battery
WIth
full attennon
When the battery poles are con
nected In reverse large current
flows from
resultmg
lead
7
Make
sure
the whole CIrCUIt
In
battery to dynamo
damages of dIode
or
WIre
IS com
pletely composed
8
When after the engine started
the dynamo IS magnetIzed from
wInng WIth full attentIOn
Change
the
IgnItIOn
SWItch
so
that
In
correct wIrmg wIll result In
hampenng magnenzanon
and then
generatIon
9
Do not
such
10
use
as
EngIne
the
As dIode
tester
hIgh voltage
be
megger
room
must be
kept
In
IS
bUIlt
WIth
damaged
Because there
the
detenorate
condItIon of standard usage
11
Do not separate the battery termInal
dynamo A termInal durIng dnvIng
vehIcle
190
the dIode WIll
hIgh voltage
dIode whIch wlll
damaged WIth
hIgher than the normal
or
temperature
IS
In
be
SeparatIon of the termmal causes
and
serge voltage wIthm battery
damages dIode
12
When
cleamng
If the dIode
WIth steam cleaner
do not expose dynamo
dIrectly When washmg WIth
IS
performance
to steam
the
mOIstened
wIll be lowered
water
must be free from reckless
dynamo
pour of water
13
battery is qUIckly charged
qUIck charger the lead WIre
regulator A termmal dynamo A
When the
WIth the
or
terrmnal
14
Serge voltage of the quIck charger
damage dIode
WIll also
should be dIsconnected
swItch off when the engIne
Put the
key
IS m a
stop except when
portIcularly
needed
key
magnetIc
current
on
191
swItch
When the
the field coIl
IS on
always flows
and rmght dam
age the
and often
over
of battery
dynamo
dIscharge
cause
TROUBLE SHOOTING LIST
Trouble
5
1
Cause
dIs
Overcharge of
Remedy
battery
1
Slackness of fan belt
Adjust
2
Earth
RepaIr
3
Breakage
4
Mal contact of brush and
breakage
or
of stator coIl
of rotor cOIl
or
replace
Replace
slIp
nng
Replace
brush
clean
holder
5
Mal funcnon of dIode
6
Adjust voltage
relay IS low
7
of constant
10
a set
voltage
Readjust
constant
Adherence of
speed SIde contact
voltage ready
hIgh speed SIde
Polish contact poInt
contact
Replace
pOInt
9
as
Mal contact of low
pOInt of
8
Replace
Shortage
or
unfItness of
Mal funcnon of
electrolyte
Add dIsnlled water
check S G
battery pole
short CIrCUIt
Replace
11
Mal contact of
12
Mal contact or breakage between
IgnitIOn swItch and relay IG
battery
termInal
Clean
or
repaIr
retIghten
termInal
RepaIr
termInal
13
Mal contact
regulator
or
breakage
F termInal and
F termInal
14
5
2 Over
1
charge
of
Check power consumed
battery
voltage relay adJust voltage
hIgh
Constant
or rare
3
I
Constant
too
Constant
RepaIr
dynamo
ExcessIve electnc load
IS
2
between
voltage relay
Readjust
coIl
breakage
Replace
voltage relay
breakage
COli
straIght
Replace
voltage relay
low
speed
Replace
short
reSIstance
4
Constant
SIde contact pOInt adherence
192
5
Constant
voltage relay hIgh speed
Pobsh
contact
poInt
sIde contact poInt mal contact
6
Breakage
relay
7
Mal contact of
or rare
short of
pIlot lamp
pIlot lamp relay
Replace
PolIsh
contact
poInt
contact poInt
S
Mal functIon of
regulator
9
Mal contact
or
breakage
regulator N
ternunal and
earth
between
dynamo
N terrmnal
5
3
NOIses of
Adjust
Repalr
Dynamo
1
Mal functIOn of
2
Mal functIon of dIode
Replace
3
Earth
Replace
or rare
beanng
Replace
short of stator coIl
dIode
as a
set
J
193
STARTER MOTOR
Type
S1l4 72
Voltage
12 volts
1 0 HP
Output
StartIng
Less than 500 amps
voltage
current
Over 0 9
Lock torque
Type
kg
9 5 volts
m
Bendextype
of pImon gear
Number of tooth
on
pIffion gear
9
Number of tooth
on
nng gear
120
Amendment lIrmt of short dImensIOn
on
shaft dIa
pIffion SIde
0 1
mm
0 004
In
0 1
mm
0 004
In
Amendment lIrmt of short dImensIOn
of shaft dIa
Gap
rear
end
between shaft and bush pIffion
0 038 0 095
SIde
Amendment lIrmt dIttoed gap
Gap
between shaft and bush
0 02
rear
end
Amendment lIrmt dIttoed gap
Amendment lIrmt of deflectIon
In
0 0012 0 0030
mm
0 2
mm
0 008
10
0 1
mm
0004
10
In
of commutator
Outer dIa
Amendment lIrmt of short dImensIOn
degree
2
of real clrcle
DIttoed lIrmt of
Bush
0 008
In
on
shaft
DIttoed
mm
o 03 0 006
0 0015 0 0038
mm
polanzed
mm
0 05
4
0
wear
0 08
mm
mm
m
0 002
m
0 016
length
Amendment lIrmt
9
Brush spnng pressure
0 9
mm
kg
0 36
m
O 1
Construction and Operation
IS a 1 0 horsepower slIdIng InertIa type electrIC motor
The motor when mounted on the engine IS on the front
slde of the transrmSSlOn WIth ItS pIffion gear dIrectly opposite to the rIng
The constructIon of the starter motor IS sIrmlar to that of the generator
The starter motor
for
use 10
rIght
startIng
gear
but dIffers
only 10 that ItS armature shaft extends out backwards WIth a pIffion
1 2
Installed
on the end as shown 10 FIg
group
3
The connectIon dIagram for the starter IS shown In FIg
The starter switch IS a key type combmed WIth the 19nitIOn sWltch
By
switch to the
dIrectIon
the relay on the magnetIc SWItch move to
turnIng
perrmt current
rIght
to flow to the starter and cause the armature to start
suddenly
194
turnIng
4
r
MagnetIc sWItch
Plunger
Contacter
Armature
r
ShIft lever
Brush
f
PInIon stopper
I
Hg
1
Magnehc Sh ft Type
the pInIOn completes the meshIng Into the nng gear
The dIrectIon In whIch the pInIOn moves IS
torque
towards
the
starter bracket thus reductIng the bendIng
from the end of the shaft
and
ItS speed becomes greater than the no load
After
the
starts
torque
engIne
to ItS former
speed of the starter the pInIOn IS kIcked back to unmesh and return
After
advancIng
and dnves
about 14
It WIth a
mm
powerful
poSItIOn
Contactor
Series coIl
Shuntcoll
Rerum sprmg
ShIft lever
i
P
Armature
Fg
2
Rmg gear
PInIon sleeve spnng
PinIon sleeve Spnng 2
A V
ew
I
of Starter System
Operational Precautions
The InstruCtIons to be observed when startIng the engine
securely
mounted
1
The starter should be
2
any looseness
The starter SWItch should be operated
Immechately when the engine starts
195
on
are as
follows
the engme and should not show
properly
and should be release
I
e
o
Ul UZ
lo
Me
brush
COVER
Y
ASS
SWITCH
core
pole
Y
set
ASS dust
SCREW
Ccoter OVER
I
PIN shIft
plQon shIft
LEV R LPIEVNR
held
e
COlL
Y
Y
ASS
ASS
BOLT
en t 0 t111 0
TI G
0 t0 0
l
er
J t 0J
ExceptIng
extremely
In
cold weather
the engIne should
normally
start
wIthIn 10 seconds
3
The starter sWItch should not be
4
When
n the engIne IS runmng
If the
operated
whc
falls
to
allow
for
the
come
rest
before
start
tIme
to
to
engme
pImon
turnIng
the starter swItch agaIn
the engIne falls to start after turnIng the starter key for over 10
seconds
do not contInue turmng the key tIme after tIme but try to save the
In thIS
battery
case
check for the
cause
of the trouble and correct
so
that
the engIne WIll start
Operation
While in
Checking
fully charged battery and WIth the lamps lIghted the starter swItch
IS used
If the lamps become dIm especIally when the engIne does not
start the current IS flOWIng through the starter motor coIl but for some
1
WIth
a
reason
the
armature IS not
a
trouble
usually
caused
Careful check should be made
turmng
starter pImon may be locked In the
by turmng
SInce
the
nng gear and unable to return
the starter whIle the engIne is sull
flywheel
on
runIng
I
l
2
When the starter sWItch
turned up and the starter motor falls to turn
although the lIghts remaIn bnght the SWItch should first be checked If
the swItch IS In satIsfactory condItIon then the condItIon of all the terrmnal
t
I
and
ground
connectIons of the
If the starter
so
that
In
starter SWItch and starter are checked
slUggIsh
are
case
badly
dIs
corrected and the starter falls to operate
It IS due to Internal defects
and shows defectIve
thIS
It IndIcates eIther a
to loose connectIon In the starter CIrCUIt or a
If after the above troubles
occasIonally
battery
motor runs but ItS movement IS
hIgh reSIstance due
charged battery
3
IS
performance
It should be dIsmantled and checked
Dismantling and Disassembling
The starter
1
the starter
can
be dIsmantled
eaSIly by
the engIne
The two stay bolts on the starter
engIne are removed
2
removIng the two stud
nuts
mountIng
on
rear cover
front end when mounted
on
the
After removIng the band cover the brushes and lead WIres are removed
shaft IS
By properly protectIng and holdIng the starter body the armature
3
4
pulled
out
cover are taken out together
the cotter pIn on the end
the pInIOn group from the armature shaft
of the shaft IS pulled out and by removIng the pImon nut the pImon group IS
5
The armature and the front
6
To
remove
removed
Inspecting and Repairing Parts
fit
1
Inl
can
procedure as that for the generator parts IS followed the parts be
InSpected after WhICh deterrmnatIons are made as to whether they
reused or If repairs or replacements are necessary
The
same
cleaned and
be
197
The pimon IS Inspected for defects and If the tooth face is worn or the tooth
edge is damaged the pImon should be replaced Worn or broken teeth Will
not only make the gear mesh poorly but WIll hasten the wear on the oppoSing
gear and also poorly meshIng gears WIll cause bendmg In the armature
I
For thIs last
sh aft
reason
care
should be taken
when inspectIng
to also
flywheel and take remedIal measures if the nng gear IS found worn
damaged When the pimon is found defectIve replaced the entIre pinIOn
check the
or
group
2
When inspectIng the armature check the armature to core gap
In the same manner
bushIng clearance bendIng In shaft etc
shaft to
as
that for
the generator and are corrected to the specIfied lIrmts or the armature IS
replaced SpecIal attentIon should be gIven to the clearance between the
and corrOSIOn
armature and the core to see that they are not contactIng
found on the outside surface of the armature or the Inner surface of the core
should be removed
and the surfaces
by polIshIng
paInted
with rust preven
tIve OIL
3
The armature
IS
InSpected
and
repaIred
In
accordance WIth the
procedures
outlIned for the generator
ESpecIally to improve or correct the brusl
the
brushes
are reseated
At the same tIme the
condItIon
contactIng
brush sprIng are checked and are corrected or replaced
The InsulatIon on the Wires are carefully Inspected and WIres found With
4
weak
5
or
damaged
InsulatIon should br
An armature found WIth
StrICtly
tested
by
one
replaced
part especIally damaged by bunng should be
the InsulatIon test
Assembling and Testi ng Starter
ReassemblIng IS performed by follOWIng the reverse procedure for dlsassemblIng
All frIctIonal parts are lubncated With mobIle OIl 5AE 30 whIle the beanngs are
coated WIth a small amount of grease CirCUit In the magnetIc SWItch and causes the
main Circuit Sg In the magnetIc CIrcuit to close
ReleaSIng the starter switch opens
the magnetIc CirCUIt whIch also opens
Causes for magnetIc switch
and mechamcal sources
1
Sg
faIlling
to
operate
can
be dlvided Into electncal
Causes for electncal troubles
A
Current faIlure
In
magnetIc
When the starter SWitch
CirCUit
In
Circuit
pressed
and the current falls to pass
through
most of the trouble is due to broken soldered connec
the magnetIc
termInal
tIon between the magnetIc coIl WIre add the magnetIc sWItch
and defectIve ground connectIon from the coIl WIre to the magnetIc SWItch
body
B
DefectIve contact
In maIn
CIrCUIt
Sg
When the magnetIc CIrCUIt is satIsfactory and 5g IS clOSIng but only a small
current flOWing due to hIgh contact reSIstance and the oppOSite case of
In eIther case the trouble
switch Sl openmg but Sg remalnes closed
lIes
In
come
faulty movIng of the core or roughness of the contactIng poInt
then the operatIon Will be
Therefore polIshed the surface well
the
surface
satIsfactory
198
Causes for mechanIcal troubles
IS caused In many
FaIlure to
by the guIde shaft on the movIng
maIn CIrCUIt 52 stIckIng agaInst the cover hole
can
made
In
thIs
case by loosenIng the cover screws 4 pIeces
CorrectIon
be
and retIghtenmg them so that the shaft moves freely
operate
core of the magnetIc SWItch
2
cases
PrecautIon
In removIng nuts from the magnetIc swItch maIn CIrcuIt termInals when In
stallIng or removIng cables the lower nut of the double nuts should be kept
state whIle unscrewIng
If the lower nut IS loose the terrmnal
In a
tIghtened
bolt may turn
Starter Troubles
The
starter
1
follOWIng
IS
together
ground
the terrmnal to the
cover
and
cause
damage
Their Causes and Remedies
IS a
Installed
anrl
on
lIst of troubles WhICh
can
be deterrmned from the state the
the engIne
Starter falls to
turn
The engIne IS checked to see If It can be cranked by hand
If It
If It cannot be cranked the engIne IS at fault and should be checked
the wInng should be checked
the starter
be cranked
IncludIng
eaSIly
can
and correctIons made accordIngly
Check the
Is the battery run down
see
If It
IS over
1
240 and recharge
speCIfIC gravIty of the battery flUId to
or replace the battery as found necessary
All loose battery and ground cables
should be cleaned and properly
tIghtened
Magneto
grease or Gargoyle BRB
All cord connectIons are
carefully tIghtened and speCIal
No 1
attentIon gIven to the condItIon of
The assembly check
InsulatIon
IS made by testIng the starter as
a SIngle UnIt USIng a fully charged
Tests are made WIth a
FIg
4
Torque Teshng Apparatu
battery
starter motor tester or WIth the
apparatus shown
case
In
FIg
4
WhICh
by
the normal value should be 0 9
Construction of
brakIng
m
kg
otrque
IS
measured
In thIs
Magnetic Switch and Instructions
The magnetIc SWItch IS an apparatus when the engIne IS bemg started by ShIft
and
serves to close the CIrCUIt between the battery and the starter motor
lever
perrmts
a
large
current to flow and actuate the starter motor
when the engIne IS stopped the swItch
pies of operatIon can be seen from FIg
the current
to
flow
through
5
the magnetIc
199
After startIng or
The prInco
keep the CIrCUIt open
Closmg the starter SWItch
serves
to
S
I
allows
Igllltion sWItch
Connect
to
others
Battery
FIg
If there
MagnetJc
Starter CJrCUJt
the magnetIc CIrcUIt It should be corrected
Improperly contactIng starter brushed the brushes together WIth the ar
mature should be checked and correctIons or replacement made as found neces
IS
trouble
5
In
For
sary
If all of the above checks WIth theIr correspondIng repaIrs have been made
and the starter stIll falls to operate the trouble can be assumed to be m the starter
Itself so that It should be removed from the engIne and checked
ThIs IS exceedIngly rare but care should be taken to see that the starter pImon
not locked mto the
Cases lIke thIS are usually caused by
flywheel nng gear
meshIng Improperly and If the defect IS not too severe It can be
remedIed by plaCIng the gear shIft lever Into fourth speed and rockIng the car back
and forth to free the gears
If thIS trouble IS frequently repeated the starter
should be dIsmanted from the enjp ne for checkIng and repaIrs
IS
badly
1
worn
gears
Starter turns but Its turmng power IS weak and falls to start the engIne
If the trouble IS due to a run down battery loose termInals troubles m
magnetIc ShIft swItch
worn and stIckIng brushes
dIrty and damaged com
checkIng and repaIrs are made In the same manner as
descnbed In the precedIng chapters
If the outer surface of the armature IS rubbing agaInst the core the starter
should be dIsmantled illsassembled and repaIred
BeSIdes the above there IS the case of the pImon meshIng Improperly
If
the trouble IS due to the gear teeth beIng badly worn the gears should be
replaced but If It IS due to the screw gUIde on the pInIOn shaft beIng dIrty
and not allOWIng the pImon to advance smoothly and causIng Improper
meshIng the shaft should be cleaned and OIled
mutator
2
Starter
etc
the
exceedIng
nOISY when
In
operatIon
The
flywheel nng gear IS checked and If the teeth are deformed they should
repaIred or the gear replaced
RattlIng nOIse caused by loose starter mountIng bolts are corrected by re
tIghtemng the bolts
NOIse caused by brushes Improperly contactIng the armature requIred cor
rectIng as thIs conilltIon not only produces nOIse but WIll hasten wear on
be
both parts
200
rubbIng agaInst the core whIle In operatIon IS
clearance
between the armature shaft and the bushIng
by
Wear between the shaft and bushmg
so the worn parts should be replaced
be gIven to proper lubrIcatIon
IS due to lack of OIl so that attentIon should
Lubncate once every half year USIng good grade of machIne or mobIle OIl
The amount of 011 requIred
and lubncate the parts through the 011 nIpples
IS about 0 5 cc
for each bracket
NOIses made
caused
by the
large
too
armature
a
201