Husqvarna Z4218 Lawn Mower User Manual


 
English-57
TROUBLE SHOOTING GUIDE
Wrong fuel type.
Water in the fuel.
Clogged air filter.
The engine seems weak. Clogged air filter.
Defective spark plug.
Carburetor incorrectly adjusted.
The engine overheats. Clogged air intake or cooling fins.
Engine overloaded.
Poor ventilation around engine.
Defective engine speed regulator.
Soot in the combustion chamber.
Too little or no oil in the engine.
Defective spark plug.
Pre-ignition incorrect.
Battery not charging. Poor contact with battery terminal
cable connectors.
The machine moves slowly, unevenly, Parking brake on.
or not at all. Bypass valve on pump open.
Drive belt for the transmission gears slack or
has come off.
Mower deck not engaging. Drive belt for the mower deck has come loose.
Contact for the electromagnetic coupling
has loosened.
The blade switch is faulty or has come loose
,from the cable contact.
The fuse has blown.