TROUBLESHOOTING
TABLE
- Continued
TROUBLE
CAUSE
REMEDY
Engine
1. Choke
partially
on.
1. Adjust
choke.
smokes
2. Fuel mixture
incorrect.
2. Empty fuel tank and refill with
excessively,
correct
fuel mixture.
3. Air filter dirty.
3. Clean or replace
air filter.
4. High Speed
Mixture
4. Contact
Sears Service
(see back cover).
requires
adjustment.
5. Crankcase
leak.
Engine
runs
1. Fuel mixture
incorrect.
hot.
Oil inadequate
for bar and
chain
lubrication.
5. Contact
Sears Service
(see back cover).
1. See "Fueling
Engine" in the Operation
section.
2. Replace with correct
plug.
3. Contact
Sears Service
(see back cover).
4. Contact
Sears Service
(see back cover).
5. Clean spark arresting
screen.
2. Spark
plug incorrect.
3. High Speed Mixture
set too tean.
4. Exhaust
ports or muf-
tier outlets
plugged.
5. Carbon
build-up
on
spark arresting
screen.
6. Starter housing
dirty
7. None of the above.
1. Oil tank empty.
2. Oil pump or oil filter
clogged.
3. Guide bar oil hole
blocked.
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.
6. Clean starter housing area.
7. Contact
Sears Service
(see back cover).
1. Fill oil tank.
2. Contact
Sears Service
(see back cover).
3. Remove
bar and clean.
Chain moves at
idle speed.
Chain does cot
move when en-
gine is acceler-
ated.
Chain clatters
or cuts roughly.
1. See "Carburetor
Adjustment"
in the
Service and Adjustments
Section.
2. Contact
Sears
Service (see back cover).
1. See "Check
Chain Tension"
in the
Maintenance
Section.
2. Contact
Sears
Service (see back cover).
3. Repair
or replace.
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.
4. Contact
Sears
Service (see back cover).
5. Disengage
chain brake.
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 chain in right direction.
Chain stops
1. See "Chain Sharpening"
in the
within the cut.
Service
and Adjustments
Section.
2. Repair or replace
guide bar.
Chain cuts at
an angle.
3. Guide bar bent or worn.
3. Contact
Sears Service
(see back cover).
1. See "Chain Sharpening"
in the
Service
and Adjustments
Section.
2. See "Chain Sharpening"
in the
Service
and Adjustments
Section.
3. Replace ,quide 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,
20