Troubleshooting Table - Craftsman PRO Serie Manual Del Operador

WARNING! Always stop unit and disconnect spark plug before performing all of the
!
recommended remedies below except remedies that require operation of the unit.
TROUBLE
1. ON/STOP switch in STOP position.
2. Engine flooded.
Engine will not
3. Fuel tank empty.
start or will run only
4. Spark plug not firing.
a few seconds after
5. Fuel not reaching carburetor.
starting.
6. Carburetor requires adjustment.
7. None of the above.
1. Idle speed set too high or too low.
2. Low Speed Mixture requires adjustment.
Engine will not idle
3. Crankshaft seals worn.
properly.
4. Compression low.
5. None of the above.
1. Air filter dirty.
2. Spark plug fouled.
Engine will not
3. Carburetor requires adjustment.
accelerate, lacks
4. Exhaust ports or muffler outlets plugged.
power, or dies
5. Compression low.
under a load.
6. Chain brake engaged.
7. None of the above.
1. Choke partially on.
2. Fuel mixture incorrect.
Engine smokes
3. Air filter dirty.
excessively.
4. High Speed Mixture requires adjustment.
5. Crankcase leak.
1. Fuel mixture incorrect.
2. Spark plug incorrect.
3. High Speed Mixture set too lean.
Engine runs hot. 4. Exhaust ports or muffler outlets plugged.
5. Carbon build-up on spark arresting screen.
6. Starter housing dirty
7. None of the above.
1. Oil tank empty.
Oil inadequate or
bar and chain 2. Oil pump or oil filter clogged.
lubrication.
3. Guide bar oil hole blocked.
Chain moves at 1. Idle speed requires adjustment.
idle speed. 2. Clutch requires repair.

TROUBLESHOOTING TABLE

CAUSE REMEDY
1. Move ON/STOP switch to ON.
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 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 (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. 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. Empty fuel tank and refill with correct fuel
mixture.
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).
1. Fill oil tank.
2. Contact Sears Service (see back cover).
3. Remove bar and clean.
1. See "Carburetor Adjustment" in the
Maintenance Section.
2. Contact Sears Service (see back cover).
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