Operator`s manual

TROUBLE SHOOTING POINTS
TROUBLE SHOOTING CHART
SYMPTOM
Engine will not start
or will run onlyfor
a few seconds af-
ter starting.
Engine will not idle
properly.
Engine will not
accelerate,lacks
power, or dies
under a load.
Engine
smokes
excessively•
Engine runs hot.
Oil inadequate for
bar and chain
lubdcation.
Chain moves at Idle
Speed.
Chain does not move
when engine is
accelerated.
Chain clatters
or cuts roughly.
I' Chain stopswithin
the cut.
CAUSE
1. Fuel _ank empty. "
2. Engine flooded.
3. Spark plug notfidng.
4. Fuel not reaching carburetor.
5. Carburetor requires adjustment.
6. On/Stop Switch in =STOP" position•
7. None of the above.
1. Idle speed set too fast or too slow.
2. Low speed mixturerequires adjustment,
3. Crankshaft seals worn.
4. Compression low.
5. None of the above.
1. Airfilter dirty.
2. Spark plug fouled.
3. Carburetor requires adjustment.
4. Exhaust portsor muffleroutlets plugged•
5. Compression low.
I 6. None of the above.
1 Air filter dirty.
Fuel mixtureincorrect.
3. High speed mixturerequires adjustment.
4. Choke partiallyon.
5. Crankcase leak.
1. Fuel mixture incorrect.
il igh speed mixture set too Io,v(Lean).
Spark plug incorrect.
• Exhaust portsor muffler outlets plugged.
5. Carbon build-up on muffler outlet screen.
6. Fan housing/cylinderfins dirty.
7. None of the above.
1. Oil tank emp_.
2. Oil pump or odfilterclogged•
3. Guide bar oil hole blocked.
1. Idle speed requires adjustment.
2. Clutch requiresrepair•
1. Chain tension too tight.
2. Carburetor requires adjustment.
3. Guide bar rails pinched.
4. Clutch slipping.
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 installedbackwards.
CORREC_ON
1. Fill tank with correctfuel mixture
2. See "Starting Instructions."
3. Installnew plug/check ignitionsystem.
4. Replace fuel filter;inspect fuel hne.
5. See =Carburetor Adlustments,"
6. Move switchto the "ON"position.
7. Contact your Sears Service Canter/Dept.
1. See "CarburetorAd_LJstments."
2. See =CarburetorAd ustments."
3. Contact yourSears' 3ervica Center/Dept.
4. Contact your Sears Service Center/Dept.
5, Contact your Sears Service Center/Dept.
1. Clean or replace air filter.
2. Clean or replace spark plugand re-gap,
3. See "CarburetorAdjustments."
4. Contact your Sears Service Center/Dept.
5, Contact your Sears Service Center/Dept.
6. Contact your Sears Service Center/Dept:.
1. Clean or replace air filter.
2. Refuel with correct fuel mixture.
3. See -carburetor Adjustments."
4. Push bluechoke knob in.
5. Contact your Sears Service Center/Dept.
1. See =Fueling Your Unit."
2. See "Carburetor Adjustments."
3. Replace withcorrectplug•
4. Contact your Sears Service Center/Dept.
5. Clean spark arrestorscreen.
6. Clean area.
7. Contact your Sears Service Center/Dept.
1. Filloil tank.
2. Contact yourSears Service Center/Dept.
3. Remove bar and clean.
1. See =Carburetor Adjustments."
2. Contact your Sears Service Center/Dept.
1. See =Chain Tension."
2. See "CarburetorAdjustments."
3. Repair or replace.
4. Contact your Sears Service Center/Dept.
1. See "Chain Tension."
2. Contact ypur Sears Service Center/Dept.
3. Resharpen or replace chain.
4. See'"Sharpening Chain."
5. Contact your Sears Service Center/Dept.
6. Installchain in rightdirection.
1. Chain cutter tops not filed flat.
2. Guide bar burred or bent; railsuneven.
i 3. Clutch slipping. 3.
Chain cuts at an 1. Cutters damaged on one side. 1.
angle. 2.
I 2. Chain dull on one side. 3.
3. Guide bar bent or worn.
1. See "Sharpening Chain."
2. Repair or replace guidebar.
Contact yourSears Service Center/Dept.
See "Sharpening Chain•"
See "Sharpening Chain."
Replace guide bar.
Ifs#uations occur whichare not covered in this manual, use care and good judgement.
ff you need assistance, contact your SEARS Service Center/Department or the
CUSTOMER ASSISTANCE HOTLINE at 1-800-235-5878.
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