TROUBlESHOOTING
56
-Husqvarna
Problem
Cause
Engine overheats
Clogged air intake or cooling fins
•
Engine overloaded
•
Poor ventilation around engine
•
Defective engine speed regulator
•
Too little or no oil in the engine
•
Contamination in the carburetor or fuel line.
•
fouled spark plugs
•
Battery not charging
Poor contact of the battery terminal cable connections
•
Charging lead is disconnected
•
The machine moves slowly, unevenly, or not at all
Parking brake on
•
Bypass valve on pump open
•
Drive belt for the transmission slack or
•
has come off
Air trapped 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 cable
•
contact
Blown fuse
•
Transaxle leaks oil
Damaged seals, housing, or gaskets
•
Air trapped in hydraulic system
•
Uneven mowing results
Different air pressure in tires on the left and right sides.
•
Bent blades
•
Suspending for the mower deck is uneven
•
Blades are dull
•
Driving speed too high
•
Grass is too long
•
Grass collected under the mower deck
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