Husqvarna 96521501 - Manual (Page 47)

47
TRoUBlESHooTING
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 •