Download Service Manual

Section 6 • Schematics
February 2009
Hydraulic Schematic
GS-1530/1532/1930/1932 (after serial number GS3005A-76491)
GS-1530/1532/1930/1932 (after serial number GS3005B-76084)
REV C
BRAKE RELEASE
PRESSURE
370 to 450 psi
26 to 31 bar
M
N
PLATFORM
OVERLOAD
(CE MODELS)
RIGHT
LEFT
LIFT CYLINDER
(ALL MODELS)
0.037 inch
0.94 mm
BRAKE
MANUAL
RELEASE
HAND
PUMP
Y7
PS2
0.037 inch
0.94 mm
R
BRAKE
RELEASE
MANIFOLD
O
L
B1
THE ORIFICE IS LOCATED
UNDERNEATH THE
HOSE FITTING ON THE
LIFT CYLINDER
STEER
RIGHT
P
4.75 CU. IN.
78 cc
RIGHT
DRIVE
MOTOR
LEFT
DRIVE
MOTOR
L
S2
S1
V
HP
B
AC
REVERSE
FORWARD
STEER
LEFT
M4
M1
F
Y3
Y4
B
0.25 gpm
0.95 L/min
Y5
Y6
E
1500 psi
103 bar
H
A
0.75 gpm
2.8 L/min
TP
10 psi
0.7 bar
G
D
C
I
FUNCTION MANIFOLD
Y8
0.25 gpm @ 1800 to 3700 psi
0.95 L/min @ 124 to 255 bar
0.25 gpm @ 3700 psi
0.95 L/min @ 255 bar
ABBREVIATION LEGEND
P
T
200 psi
13.8 bar
M
4 gpm @ 2500 psi
POWER UNIT 15 L/min @ 172 bar
S
10 MICRON WITH
25 psi / 1.7 bar
BYPASS
HYDRAULIC TANK
HS0035J
Part No. 97385
GS-30 • GS-32 • GS-46
Item
A
B
C
D
E
F
G
H
I
L
M
N
O
P
R
S
Description
Test port
Check valve, steer circuit
Relief valve, lift
Check valve, brake circuit
Drive forward/reverse
Steer left/right
Flow regulator/relief valve
Platform up
Relief valve, system
Hand pump, manual brake release
Needle valve, manual brake release
Platform lowering valve
Orifice, platform down circuit
Accumulator
Pressure switch, platform overload
Check valve, drive circuit
6 - 89