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21
TROUBLESHOOTINGTABLE -- Continued
TROUBLE CAUSE REMEDY
Chain moves at
idle speed.
1. Idle speed requires
adjustment.
2. Clutch requires repair.
1. See “CarburetorAdjustment” in the
Service and Adjustments Section.
2. Contact Sears Service (see back cover).
1. Chain tension too
tight.
2. Carburetor requires
adjustment.
3. Guide bar rails
pinched.
4. Clutch slipping.
5. Chain brake engaged.
Chain does not
move when en-
gine is acceler-
ated.
1. See “Check Chain Tension” in the
Maintenance Section.
2. Contact Sears Service (see back cover).
3. Repair or replace.
4. Contact Sears Service (see back cover).
5. Disengage chain brake.
Chain clatters
or cuts roughly.
1. Chain tension incorrect.
2. Cutters damaged.
3. Chain worn.
4. Cutters dull, improperly
sharpened, or depth
gauges too high.
5. Sprocket worn.
6. Chain installed
backwards.
1. See “Check Chain Tension” in the
Maintenance Section.
2. Contact Sears Service (see back cover).
3. Resharpen or replace chain.
4. See “Chain Sharpening” in the
Service and Adjustments Section.
5. Contact Sears Service (see back cover).
6. Install c hain in right direction.
Chain stops
within the cut.
1. Chain cutter tops not
filed flat.
2. Guide bar burred or
bent; rails uneven.
3. Clutch slipping.
1. See “Chain Sharpening” in the
Service and Adjustments Section.
2. Repair or replace guide bar.
3. Contact Sears Service (see back cover).
Chain cuts at
an angle.
1. Cutters damaged on
one side.
2. Chain dull on one side.
3. Guide bar bent or worn.
1. See “Chain Sharpening” in the
Service and Adjustments Section.
2. See “Chain Sharpening” in the
Service and Adjustments Section.
3. Replace guide bar.
If situations occur which are not covered in this manual, use care and good
judgement. If you need assistance, contact your Sears Service Centre.
Oil inadequate
for bar and
chain
lubrication.
1. Oil t ank empty.
2. Oil pump or oil filter
clogged.
3. Guide bar oil hole
blocked.
1. Fill oil tank.
2. Contact Sears Service (see back cover).
3. Remove bar and clean.