Husqvarna LZ7230 用户手册
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TROUBLESHOOTING GUIDE
The engine seems weak.
•
Clogged air fi lter.
•
Fouled spark plugs.
•
Carburetor incorrectly adjusted.
The engine overheats.
•
Clogged air intake or cooling fi ns.
• Engine
overloaded.
•
Poor ventilation around engine.
•
Defective engine speed regulator.
•
Soot in the combustion chamber.
•
Too little or no oil in the engine.
•
Fouled spark plug.
• Pre-ignition
incorrect.
Battery not charging.
•
Poor contact with battery terminal cable
connectors.
connectors.
The machine moves slowly, unevenly, or not at all.
•
Parking brake on.
•
Bypass valve on pump open.
•
Drive belt for the transmission gears slack or has
come off.
come off.
•
Defective hydraulic system.
•
Air in hydraulic system.
Mower deck not engaging.
•
Drive belt for the mower deck has come loose.
•
Contact for the electromagnetic coupling has
loosened.
loosened.
•
The blade switch is faulty or has come loose, from
the cable contact.
the cable contact.
•
The fuse has blown.
Transaxle leaks oil.
•
Damaged seals, housing, or gaskets.
•
Air trapped in hydraulic system.
Uneven mowing results.
•
Different air pressure in the tires on the left and
right sides.
right sides.
• Bent
blades.
•
The suspension for the mower deck is uneven.
•
The blades are dull.
•
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