Husqvarna iZ4817SKAA/968999356 用户手册
English-
64
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.
connectors.
The machine moves slowly, unevenly,
or not at all.
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.
has loosened.
•
The blade switch is faulty or has come loose
from the cable contact.
from the cable contact.
•
The fuse has blown.
Uneven mowing results.
•
Different air pressure in the tires on the left and
light sides.
light sides.
•
Bent blades.
•
The chains for suspending the mower deck are
uneven.
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