tRoUbleshootIng gUIDe
51
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
• Fouled spark plug
Battery not charging
• Poor contact with battery terminal cable
connectors
• 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 gears slack or has
come off
• 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
Hydraulic drive leaks oil
• Damaged seals, housing, or gaskets
• Air trapped in hydraulic system
Uneven mowing results
• Unequal tire pressure on the 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
Machine vibrates
• Blades are loose
• Blades are incorrectly balanced
• Engine is loose