TROUBLESHOOTING
TABLE
_1_ WARNING:
Always stop unit and disconnect
spark plug before perform-
ing all of the recommended
remedies below except remedies
that require
operation
of the unit.
TROUBLE
CAUSE
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
9xcessively.
Engine
runs
hot.
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. Carburetorrequires
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 filter 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. Instal] new spark
plug.
5. Check for dirty fuel filter; replace.
Check for kinked
or split fuel line;
repair or replace.
6. Contact Sears Service (see back cover).
7. Contact Sears Service (see back cover).
1. See "Carburetor
Adjustment"
in the
Service and Adjustments
Section.
2. Contact Sears Service (see back cover).
3. Contact
Sears Service.
4. Contact
Sears Service.
5. Contact
Sears Service.
1. Clean or replace
air filter.
2. Clean or replace
plug and regap.
3. Contact Sears Service (see back cover).
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. Contact Sears Service (see back cover).
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.
6. Clean starter housing area.
7. Contact Sears Service (see back cover).
19