Problem
Machine vibrates
Engine overheats
Battery not charging
Machine moves slowly, unevenly, or not at all
Mower deck not engaging
Hydraulic drive leaks oil
Uneven mowing results
TROUBLESHOOTING
Cause
•
Blades are loose
•
Blades are incorrectly balanced
•
Engine is loose
•
Blades are bent
•
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
•
Poor contact with battery terminal cable connectors
•
Charging lead is disconnected
•
Fault in engine charging system
•
Parking brake on
•
Bypass valve on pump open
•
Drive belt for the transmission gears slack or has come off
•
Air in hydraulic system
• Drive belt for the mower deck has come loose
• Contact for the electromagnetic coupling has loosened
• The blade switch is faulty or has come loose, from the cable
contact
• The fuse has blown
• Damaged seals, housing, or gaskets
• Air trapped in hydraulic system
• Unequal tire pressure on the left and right sides
•
Blades are bent
• Suspension for the mower deck is uneven
• Blades are dull
• Driving speed too high
• The grass is too long
• Grass collected under the mower deck
49