McCulloch 433B, 952715746, 115154526 instruction manual Troubleshooting Table Cause Remedy

Page 16

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/STOP (I/0) switch in

1.

Move ON/STOP (I/0) switch to ON (I)

start.

 

STOP position.

 

position.

 

2. Engine flooded.

2.

See “Starting a Flooded Engine” in

 

3. Fuel tank empty.

 

Operation Section.

 

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;

 

6. Carburetor requires

 

repair or replace.

 

6.

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,

3.

Carburetor requires

 

and regap.

or dies under

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.

3.

Air filter dirty.

 

correct fuel mixture.

 

3.

Clean or replace air filter.

 

4.

Carburetor requires

4.

Contact an authorized service dealer.

 

 

adjustment.

 

 

Engine runs

1. Fuel mixture incorrect.

1. Empty fuel tank and refill with

hot.

2. Spark plug incorrect.

 

correct fuel mixture.

 

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.

 

 

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Contents Betriebsanweisung Manuel D’INSTRUCTIONSManual DE Instrucciones Table of Contents Identification What is WHAT?Identification of Symbols Safety RulesOperator Safety Unit / Maintenance SafetyAssembly Assembly of Shoulder Harness Shoulder Harness AdjustmentAttaching the Handlebar Assembly Information Trimmer Head Installation of the Trimmer HeadConfiguring Your Unit Attaching the ShieldInstallation of the Metal Blade Assembly Information Weed BladeAttaching the Transport Guard Operation Operating Position Operating Instructions for USE with Trimmer HeadTrimmer Line Advance Cutting MethodsOperating Instructions for USE with Weed Blade ScalpingMowing SweepingMaintenance Service and Adjustments Replacing the LineLines evenly and firmly around Spool in a clockwise directionBlade Replacement Carburetor AdjustmentEngine will not idle when the throttle is re- leased Storage Seasonal StorageEngine OtherTroubleshooting Table Cause Remedy Declaration of Conformity EC Declaration of Conformity Only applies to EuropeApproved accessories Type Technical Data SheetSee Note

115154526, 433B, 952715746 specifications

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