Husqvarna MZ6128/966613103 warranty Troubleshooting Guide, Problem, Cause

Models: MZ6128/966613103

1 64
Download 64 pages 31.14 Kb
Page 48
Image 48
TROUBLESHOOTING GUIDE

TROUBLESHOOTING GUIDE

Problem

 

Cause

 

 

 

 

Engine will not start

Blade switch is engaged

 

• Steering controls are not locked in the neutral position

 

• Parking brake is not activated

 

Battery is dead

 

• Contamination in the carburetor or fuel line

 

• Fuel supply is closed

 

• Clogged fuel filter or fuel line

 

Faulty ignition system

 

 

 

 

Starter does not turn the engine over

Dead battery

 

• Poor contacts on the battery terminal cable connections

 

Fuse blown

 

Ignition system faulty

 

• Fault in the starter safety circuit. See Safety System in

 

 

Maintenance section

 

 

 

 

Engine runs rough

Faulty carburetor

 

• Clogged fuel filter or jet

 

• Clogged ventilation valve on the fuel cap

 

• Fuel tank nearly empty

 

Fouled spark plug

 

• Spark plug is loose

 

• Rich fuel mixture or fuel-air mixture

 

Wrong fuel type

 

• Water in the fuel

 

Clogged air filter

 

 

 

 

Engine seems weak

Clogged air filter

 

Fouled spark plugs

 

Carburetor incorrectly adjusted

48

Page 48
Image 48
Husqvarna MZ6128/966613103 warranty Troubleshooting Guide, Problem, Cause