Troubleshooting - Craftsman C944.514320 Instruction Manual

ENGINE
• Remove spark plug and pour 1 tea-
spoon of 40:1, 2-cycle engine oil (air
cooled) through the spark plug open-
ing. Slowly pull the starter rope 8 to
10 times to distribute oil.
• Replace spark plug with new one of
recommended type and heat range
(see REPLACE SPARK PLUG section).
• Clean air filter.
• Check entire unit for loose screws,
nuts, and bolts. Replace any dam-
aged, broken, or worn pads.
• At the beginning of the next season,
use only fresh fuel having the proper
gasoline to oil ratio,
OTHER
• Do not store gasoline from one sea-
son to another,
• Replace your gasoline can rf it starts
to rust,
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.
Engine will
not idle
properly.
Engine wile not
accelerate,
lacks power,
or dies under
a load.
Engine
smokes
excessively,
Engine runs
hot.
operation of the unit.
CAUSE
f. ON/OFF switch in the OFF
position,
2. Engine flooded.
3. Fuel tank empty,
4. Spark plug not firing.
5. Fuel not reaching
carburetor,
6. Compression low.
1. Carburetor requires
adjustment.
2. Crankshaft seals worn.
3. Compression low.
1, Air filter dirty.
2. Spark plug fouled.
3. Carburetor requires
adjustment.
4. Carbon build-up on
muffler outlet screen.
5. Compression low.
1. Choke partially on.
2. Fuel mixture incorrect,
3. Air fitter dirty.
4. 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 the ON
position.
2. See "Starting a Flooded Engine"
in 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 split fuel line;
repair or replace.
6. 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, 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).
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).
t. 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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