Sears FL20 instruction manual Troubleshooting Table Cause Remedy

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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. Engine flooded.

1. See “Starting a Flooded Engine in

 

start.

 

 

 

Operation Section.

 

 

2. Fuel tank empty.

2. Fill tank with correct fuel mixture.

 

 

3. Spark plug not firing.

3. Install new spark plug.

 

 

4. Fuel not reaching

4. Check for dirty fuel filter; replace.

 

 

 

carburetor.

 

Check for kinked or split fuel line;

 

 

 

 

 

repair or replace.

 

 

5. Carburetor requires

5. Contact an authorized service dealer.

 

 

 

adjustment.

 

 

 

 

 

 

 

 

Engine will

1.

Carburetor requires

1. See “Carburetor Adjustment” in

 

not idle

 

adjustment.

 

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.

Compression low.

5. Contact an authorized service dealer.

 

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. Carbon build-up on

4.

Contact an authorized service dealer.

 

 

 

muffler outlet screen.

 

 

10

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Contents Manual de Instrucciones Manuel d’Instructions 10/05Unit / Maintenance Safety Safety RulesOperator Safety Fuel SafetyAdjusting the Handle AssemblyCutting Safety Transporting and StorageOperation Starting a Warm Engine HOW to Stop Your UnitHOW to Start Your Unit Starting a Flooded EngineTrimmer Line Advance Operating PositionCutting Methods Maintenance Carburetor Adjustment Service and AdjustmentsLine Replacement Engine will not idle when the throttle is re- leasedEngine Seasonal StorageFuel System OtherTroubleshooting Table Cause Remedy

FL20 specifications

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