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TROUBLE SHOOTING CHART
!TROUBLE CAUSE .......
Enginewiltnot r• ignitionswitch off.
startorwillrun !• Engineflooded,
onlya few • Fuel tank empty.
secondsafter • Spark plugnotfiring.
starting. • Fuel notreaching
carburetor.
EnginewUlnot
idle properly,
Engine wilt not
accelerate,
lacks power,
or dies under
a load.
- Carburetor requires
adjustment.
• None of the above.
• Idle speed set too high
or too low.
• Low Speed Mixture
requires adjustment.
• Crankshaft seals worn.
• Compression low.
• None of the above.
• Air filter dirty.
• Spark plug fouled.
Engine smokes
excessively.
Engine runs
hot.
• Carburetor requires
adjustment.
• Exhaust ports or muf-
fler outlets plugged.
° Compression low.
• None of the above.
• Choke partially on.
• Fuel mixture incorrect.
REMEDY
• Move IgnitionSwitch to ONI
• See "Starting instructions."
• Fill tank with correct fuel mixture
: install new spark plug.
Check for dirty fuel filter; replace
Check for kinked or split fuel line
repair or replace.
• See =Carburetor Adjustments."
• Contact Sears Service.
,, See "Carburetor Adjustments."
• See =Carburetor Adjustments."
• Air filter dirty.
• High Speed Mixture
requires adjustment.
• Crankcase leak.
• Contact Sears Service.
• Contact Sears Service.
. Contact Sears Service.
• Clean or replace air filter.
• Clean or replace plug
and regap.
• See "CarburetorAdjustments."
• Contact Sears Service.
- Contact Sears Service.
• Contact Sears Service.
• Adjust choke.
• Empty fuel tank and refill with
correct fuel mixture.
° Clean or replace air filter.
• See "Carburetor Adjustments."
• Contact Sears Service.
, Fuel mixture incorrect. ° See "Fueling Your Unit."
• Spark plug incorrect. • Replace with correct plug.
• High Speed Mixture • See "Carburetor Adjustments."
set too lean.
• Exhaust ports or muf-
fler outlets plugged.
• Carbon build-up on
muffler outlet screen.
• Fan housing/cylinder
fins dirty.
• None of the above.
• Contact Sears Service.
• Clean spark arrestor screen.
° Clean area.
, Contact Sears Service.
Oil inadequate - Oil tank empty. • Filloil tank.
for bar and • Oil pump or oil filter • Contact Sears See,ice.
chain clogged.
lubrication. • Guide bar oil hole ° Remove bar and clean.
blocked.
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