Weed Eater MX550, 545186834 instruction manual Troubleshooting Table Cause Remedy

Page 12

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 Idle Speed Adjustment”

 

not idle

 

adjustment.

 

in 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.

Fuel mixture incorrect.

1.

Empty fuel tank and refill with

 

smokes

 

 

 

correct fuel mixture.

 

excessively.

2.

Air filter dirty.

2.

Clean or replace air filter.

 

 

3.

Carburetor requires

3.

Contact an authorized service dealer.

 

 

 

adjustment.

 

 

 

Engine runs

1. Fuel mixture incorrect.

1.

See “Fueling Engine” in Operation

 

hot.

2. Spark plug incorrect.

2.

section.

 

 

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.

 

 

12

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Contents Manual de Instrucciones Manuel d’Instructions Identification of Safety Symbols Safety Rules Operator SafetyUnit / Maintenance Safety Fuel SafetyCutting Safety Transporting and StorageAssembly Adjusting the HandleOperation Attaching ShieldStop Switch HOW to Stop Your UnitHOW to Start Your Unit Primer BulbStarting a Warm Engine Starting a Flooded EngineOperating Position Trimmer Line AdvanceCutting Methods Tip of line doesCutting Work area Inches 8 cm above groundMaintenance Service and Adjustments Carburetor Idle Speed AdjustmentReplacing the Line Replacing the Cutting HeadSeasonal Storage Fuel SystemEngine OtherTroubleshooting Table Cause Remedy Limited Warranty Canada, contactIntermediate 125 hours Extended 300 hours

545186834, MX550 specifications

The Weed Eater MX550, model number 545186834, is a powerful and efficient string trimmer designed for both residential and light commercial use. This reliable tool is engineered to provide excellent cutting performance, ease of use, and versatility, catering to various lawn care needs.

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