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TROUBLESHOOTING
TABLE
_,
WARNING:
Always
stop unit and disconnect
spark plug before perform-
ing all of the recommended
remedies below except remedies
that require
TROUBLE
REMEDY
1. Move ON/STOP switch to ON.
Engine will not
start or will run
only a few
seconds
after
starting.
Engine will
not idle
properly.
Engine will not
accelerate,
lacks power.
or dies under
a load.
Engine
smokes
excessively.
Engine
runs
hot.
operation
of the unit.
CAUSE
1. ON/STOP
switch
in
STOP position.
2. Engine flooded.
3= Fuel tank empty.
4. Spark plug not firing.
5. Fuel not reaching
carburetor.
6. Carburetor
requires
adjustment.
7. None of the above.
1. Idle speed set too high
or too low.
2. Low Speed Mixture
requires
adjustment.
3. Crankshaft
seals worn.
4. Compression
low.
5. None of the above.
1. Air fitter dirty.
2. Spark plug fouled.
3. Carburetor
requires
adjustment.
4. Exhaust
ports or muf-
fler outlets plugged.
5. Compression
low.
6. Chain
brake engaged.
7. None of the above.
1. Choke partially
on.
2. Fuel mixture
incorrect.
3. Air filter dirty.
4. High Speed Mixture
requires
adjustment.
5. Crankcase
leak.
1. Fuel mixture
incorrect.
2. Spark
plug incorrect.
3. High Speed
Mixture
set too lean.
4. Exhaust
ports or muf-
fler outlets plugged.
5. Carbon
build-up
on
spark arresting
screen.
6. Starter housing
dirty
7. None of the above.
2. See "Difficult
Starting" in the
Operation
Section.
3. Fill tank with correct
fuel mixture.
4. install new spark plug.
5. Check for dirty fuel filter; replace.
Check for kinked or spilt fuel tine;
repair or replace.
6. See "Carburetor
Adjustment"
in the
Service
and Adjustments
Section.
7. Contact
Sears Service
(see back cover).
1. See "Carburetor
Adjustment"
in the
Service
and Adjustments
Section.
2. See "Carburetor
Adjustment"
in the
Service
and Adjustments
Section.
3. Contact
Sears Service
(see back cover).
4. Contact
Sears Service
(see back cover).
5. Contact
Sears Service
(see back cover).
1. Clean or replace
air filter.
2. Clean or replace
plug
and regap.
3. See "Carburetor
Adjustment"
in the
Service
and Adjustments
Section.
4. Contact
Sears Service
(see back cover).
5. Contact
Sears Service
(see back cover).
6. Disengage
chain brake.
7. Contact
Sears Service
(see back cover).
1. Adjust
choke.
2. Empty fuel tank and refill with
correct
fuel mixture.
3. Clean or replace
air filter.
4. See "Carburetor
Adjustment"
in the
Service
and Adjustments
Section.
5. Contact
Sears Service
(see back cover).
1. See "Fueling
Engine" in the Operation
section.
2. Reptace with correct
plug.
3. See "Carburetor
Adjustment"
in the
Service
and Adjustments
Section.
4. Contact
Sears Service
(see back cover).
5. Clean spark arresting
screen.
6. Clean starter housing area.
7. Contact
Sears Service
(see back cover).
20
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