Husqvarna 966582201 - Manual (Page 44)

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Problem Cause
The engine seems weak. Clogged air filter. •
Fouled 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. •
Fouled spark plug. •
Battery not charging. Poor contact with battery terminal cable •
connectors.
The machine moves slowly, unevenly, or not at all. Parking brake on. •
Hydraulic pump bypass linkage engaged. •
Drive belt for the transmission gears slack or has •
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.
Blade switch is faulty or has come loose, from the
•
cable contact.
Fuse has blown.
•
Uneven mowing results. Different air pressure in the tires on left and right •
sides.
Bent blades.
•
Suspension for the mower deck is uneven. •
Blades are dull. •
Driving speed too high. •
Grass is too long. •
Grass collected under the mower deck. •
The machine vibrates. Blades are loose. •
Blades are incorrectly balanced. •
Engine is loose. •