Craftsman C944.411420 Instruction Manual page 21

TROUBLESHOOTING TABLE - Continued
TROUBLE CAUSE REMEDY
Oil inadequate 1. Oil tank empty. 1. Fill oil tank.
for bar and 2. Oil pump or oil filter 2. Contact Sears Service.
chain clogged.
lubrication. 3. Guide bar oil hole 3. Remove bar and clean.
blocked.
Chain moves at 1. See "Carburetor Adjustment" in the
idle speed. Service and Adjustments Section.
2. Contact Sears Service.
Chain does not
move when en-
gine is acceler-
ated.
Chain clatters
or cuts roughly.
Chain stops
within the cut.
Chain cuts at
an angle.
1. Idle speed requires
adjustment.
2. Clutch requires repair.
1. Chain tension too
tight.
2. Carburetor requires
adjustment.
3. Guide bar rails
pinched.
4. Clutch slipping.
5. Chain brake engaged.
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. Chain cutter tops not
filed flat.
2. Guide bar burred or
bent; rails uneven.
3. Clutch slipping.
1. Cutters damaged on
one side.
2. Chain dull on one side.
1. See "Check Chain Tension" in the
Maintenance Section.
2. See "Carburetor Adjustment" in the
Service and Adjustments Section.
3. Repair or replace.
4. Contact Sears Service.
5. Disengage chain brake.
1. See "Check Chain Tension" in the
Maintenance Section.
2. Contact Sears Service.
3. Resharpen or replace chain.
4. See "Chain Sharpening" in the
Service and Adjustments Section.
5. Contact Sears Service.
6. Install chain in right direction.
1. See "Chain Sharpening" in the
Service and Adjustments Section.
2. Repair or replace guide bar.
3. Contact Sears Service.
1. See "Chain Sharpening" in the
Service and Adjustments Section.
2. See "Chain Sharpening" in the
Service and Adjustments Section.
3. Guide bar bent or worn. 3. Replace guide bar.
If situations occur which are not covered in this manual, use care and good
judgement. If you need assistance, contact Sears Service or the CUSTOMER
ASSISTANCE HELPLINE at 1-800-235-5878.
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