TROUBLESHOOTING
48
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
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