Troubleshooting - Poulan Pro SM446E Manual De Instrucciones

TROUBLESHOOTING TABLE
,_ WARNING: Aiways stop unit and disconnect spark plug before performing all of the
recommended remedies below except remedies that require operation of the unit,
TROUBLE
Engine will not
start.
CAUSE REMEDY
1. Move ON/OFF switch to ON.
1. ON/OFF switch in
OFF position.
2. Engine flooded.
3. Fuel tank empty.
4. Spark plug not firing.
5. Fuel not reaching
carburetor.
6. Carburetor requires
adjustment.
Engine will 1. Idle speed set too high
not idle or too low.
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.
3. Carburetor requires
adjustment.
4. Carbon build-up on
muffler outlet screen.
5. Compression low.
1. Choke partially on.
2. Fuel mixture incorrect.
2. See "Starting a Flooded Engine" in
Operation Section.
3. Fill tank with correct fuel mixture.
4. Instatl new spark plug.
5. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
6. Contact an authorized service dealer.
1. See "Carburetor Adjustment" in
Service and Adjustments Section.
2. Contact an authorized service dealer.
3. Contact an authorized service dealer.
1. Clean or replace air filter.
2. Ctean or reptace plug
and regap.
3. Contact an authorized service dealer.
4. Contact an authorized service dealer.
5. Contact an authorized service dealer.
1. Adjust choke.
2. Empty fuel tank and refill with
correct fuel mixture.
3. Clean or replace air filter.
4. Contact an authorized service dealer.
3. Air filter dirty.
4. Carburetor requires
adjustment.
Engine runs 1. Fuel mixture incorrect. 1. See "Fueling Engine" in Operation
hot. section.
2. Spark plug incorrect. 2. Replace with correct spark plug.
3. Carburetor requires 3. Contact an authorized service dealer.
adjustment.
4. Carbon build-up on 4. Contact an authorized service dealer.
muffler outlet screen.
Chain moves at 1. Idle speed requires 1. See "Carburetor Adjustment" in
idle speed, adjustment. Service and Adjustments Section.
2. Clutch requires repair. 2. Contact an authorized service dealer.
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