Craftsman WEEDWACKER 358.791170 Operator's Manual page 20

TROUBLESHOOTING TABLE
WARNING: Always stop unit and disconnect spark plug before perform-
ing all of the recommended remedies below except remedies that require
unit to be operating.
TROUBLE
Engine will not
start.
CAUSE
1. Engine flooded.
2. Fuel tank empty.
3. Spark plug not firing.
4. Fuel not reaching
carburetor.
5. Carburetor requires
adjustment.
Engine will 1. Carburetor requires 1.
not idle adjustment.
properly. 2. Crankshaft seals worn. 2.
3. Compression low. 3.
1. Air filter dirty. 1.
2. Spark plug fouled. 2.
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. See "Starting a Flooded Engine" in
Operation Section.
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).
See "Carburetor Idle Speed Adjustment''
in Service and Adjustments Section.
Contact Sears Service (see back cover).
Contact Sears Service (see back cover).
Clean or replace air filter.
Clean or replace plug
and regap.
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. Clean or replace air filter.
3. Contact Sears Service (see back cover).
1.
2.
3.
4.
See "Fueling Engine" in Operation
section.
Replace with correct spark plug.
Contact Sears Service (see back cover).
Contact Sears Service (see back cover).
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