TROUBLESHOOTING TABLE

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

CAUSE

REMEDY

 

 

 

 

 

 

Engine will not

1. ON/OFF switch in

1.

Move ON/OFF switch to ON.

 

start.

 

OFF position.

2.

See “Starting a Flooded Engine” in

 

 

2. Engine flooded.

 

 

 

 

 

Operation Section.

 

 

3. Fuel tank empty.

3.

Fill tank with correct fuel mixture.

 

 

4. Spark plug not firing.

4.

Install new spark plug.

 

 

5. Fuel not reaching

5.

Check for dirty fuel filter; replace.

 

 

 

carburetor.

 

Check for kinked or split fuel line;

 

 

 

 

 

repair or replace.

 

 

6. Carburetor requires

6.

Contact an authorized service dealer.

 

 

 

adjustment.

 

 

 

Engine will

1.

Idle speed set too high

1.

See “Carburetor Adjustment” in

 

not idle

 

or too low.

 

Service and Adjustments Section.

 

properly.

2.

Crankshaft seals worn.

2.

Contact an authorized service dealer.

 

 

3.

Compression low.

3.

Contact an authorized service dealer.

 

Engine will not

1.

Air filter dirty.

1.

Clean or replace air filter.

 

accelerate,

2. Spark plug fouled.

2.

Clean or replace plug

 

lacks power,

 

 

 

and regap.

 

or dies under

3.

Carburetor requires

3.

Contact an authorized service dealer.

 

a load.

4.

adjustment.

4.

Contact an authorized service dealer.

 

 

Carbon build-up on

 

 

 

muffler outlet screen.

5.

Contact an authorized service dealer.

 

 

5.

Compression low.

 

Engine

1.

Choke partially on.

1. Adjust choke.

 

smokes

2.

Fuel mixture incorrect.

2. Empty fuel tank and refill with

 

excessively.

 

 

 

correct fuel mixture.

 

 

3.

Air filter dirty.

3. Clean or replace air filter.

 

 

4.

Carburetor requires

4. Contact an authorized service dealer.

 

 

 

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. Contact an authorized service dealer.

 

 

4. Carbon build-up on

 

 

 

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.

17

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Poulan SM446E instruction manual Troubleshooting Table Cause Remedy, Compression low, Load Adjustment, Carbon build-up on
Page 16 Page 18

SM446E specifications

The Poulan SM446E is a powerful and efficient lawn mower designed to meet the demands of both residential and professional users. With its robust 46cc engine, this mower delivers excellent performance and reliability, making it an ideal choice for maintaining small to medium-sized lawns.

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