Husqvarna iZ4821TSKAA Lawn Mower User Manual


 
English-63
TROUBLE SHOOTING GUIDE
The engine seems weak. Clogged air filter.
Defective spark plugs.
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 plugs.
Pre-ignition incorrect.
Battery not charging. Poor contact with battery terminal cable
connectors.
The machine moves slowly, unevenly,
or not at all.
Parking brake on.
Bypass valve on pump open.
Drive belt for the pump slack or has come off.
Defective hydraulic system.
Air in the hydraulic system.
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.
Uneven mowing results. Different air pressure in the tires on the left and
light sides.
Bent blades.
The chains for suspending the mower deck are
uneven.
The chain fixture has come loose.
The blades are blunt.
Driving speed too high.
The grass is too long.
Grass collected under the mower deck.
The machine vibrates. The blades are loose.
The blades are incorrectly balanced.
The engine is loose.
Problem Cause