Craftsman 358.79105 Trimmer User Manual


 
TROUBLESHOOTING TABLE
_, WARNING: Always stop unit and disconnect spark plug before perform-
ing all of the recommended remedies below except remedies that require
TROUBLE
Engine will not
start.
unit to be operating.
CAUSE
1. ON/OFF switch in
OFF position.
2. Fuel tank empty.
3. Spark plug not firing.
4. Fuei not reaching
carburetor.
5. Carburetor requires
adjustment.
Engine will 1. Carburetor requires
not idle adjustment.
properly. 2. Crankshaft seals worn.
3. Compression low.
1. Air filter dirty.
2. Spark plug fouled.
Engine will not
accelerate,
lacks power.
or dies under
a load.
Engine
smokes
excessively.
Engine runs
hot.
3. Carburetor requires
adjustment.
4. Carbon build-up on
muffler outlet screen.
5. Compression low.
1. Fuel mixture incorrect.
2. Air filter dirty.
3. Carburetor requires
adjustment.
1. Fuel mixture incorrect.
2. Spark plug incorrect.
3. Carburetor requires
adjustment.
4. Carbon build-up on
muffler outlet screen.
REMEDY
1. Move ON/OFF switch to ON.
2. Fill tank with correct fuel mixture.
3. install new spark plug.
4. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
5. Contact Sears Service (see back cover).
1. See "Carburetor Adjustment" in
Service and Adjustments Section.
2. Contact Sears Service (see back cover).
3. Contact Sears Service (see back cover).
1. Clean or replace air filter.
2. Ciean 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).
1. Empty fuel tank and refill with
correct fuel mixture.
2. Ctean or reptace air filter.
3. Contact Sears Service (see back cover).
1. See "Fueling Engine" in Operation
section.
2. Replace with correct spark plug.
3. Contact Sears Service (see back cover).
4. Contact Sears Service (see back cover).
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