Download SERVICE MANUAL FOR KH

3. QUICK TROUBLESHOOTING CHART
Troublt
K carriage docs not move easily
ll.
M
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Origin
I. Oillhe buu of the needle and the stitch cam
2. Needle bed sliding. ·van is Ollt of oiJ
3. The sinker plate and gate peg are i 1l Cl)I\LaCt
2, Oil !ronl and rear rails or body and carriage
Floating stitches.
Stitches g<'t tucked.
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4 . The sinker plate is lifting the knitting Jteed1e.
5. 'llte gage is too tight
5. l.oosen knitting gage
Pooc hotiz.o.ual adjustment of rotary cam. (Rotary ,,.m
is po~itioned too much to I he left.)
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.s
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When the change knob is set to
< KC>. end needle selection is
not possibU:
Wron8 ueedk i!> :o;l'!h~ctcd
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0
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~
.!!
"'z8
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2. To.o much gar he:aween sinker plate and needle
4. Tho gog< <s lOO t ight
The carriage gets stuck while
knitting
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I. Too much gap between sinker plate and gate peg
3. Needle latch nol functioning properly
Stitches irregular (uneven)
Lateral stripe is prod ~.teed
()C(.aSionalty
Knitting gage l>f the-right needle
bed and that of lhc Jell is different
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J. Correct sinker plate front~rcar adjustment
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4. Corrtct vertical adjustment of sinker plate
6.
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Note~
Rtmedy
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I. Cal'riage cam slid in&. Part is OVI Of <lil
See [>.31
Sec PJI
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6. Correct horizontal adjustment of rotary cam
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Sec P.42
Correct front-rear adjulJimmt of sinker plate
See f>.31
2. Corroct venieal adjustment of sinker plate
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S« P.JI
3. Chango needle
4.
Lonson knitrins ~age
I. Uneven spCC\l in Carriage operation
I.
Malee carriage opention speed constant.
2. Poor yarn feed
2. Loosen spring tension O[ the yam te.nJ:iM'I disk
I. Alt>«:hment of needle bed comb uneven left to right
I. Adjust the needle bed comb position e11en Jefl to righl
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The ntedle bed is damaged
Repair ~...~~-bed
.2. Replae< needle
).
2. The butr nf the needle is damaged
I.
See 1'.41
E.nd netdle selection c-c~m probkm (fum.1.ion is heavy,
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See
I. Replace end needle se-lection cam
P.21,
P.23
worn_)
I.
1-:--
Encoder sensor P.C. board problem
1--
I.
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2. Right/Left position sensor problcn~.
3. Main P.C. board problem
·~
Check encoder sensor P.C.B. by TEST 885
See I'.H
2. Check Right; l.eft position sonsor I'.CR. by TEST 885
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3.
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4. Needle ~lector mechanjsm problem
Replaoe the Main P.C. board when all other pos..~ibilit.es
have been <hecked and no problem discovered
4. Check needle seJection mechanism and needle selector
5. Carriage problem
6. Power probk:m
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7. Operation problem
- 2-
solenoid
Check
__5., ____
_, carriage
-· ·
, _,
6. Exchango AC adapltr
1, Operate correctly
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...
See P.8
See P.l5
Sec P.42
Sec P.29