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TROUBLESHOOTING GUIDE
56
Problem Cause
Engine overheats • Clogged debris screen or radiator fins
• Engine overloaded
• Electric fan not functioning
• Poor ventilation around engine
• Blown fuse for electric fan
• Defective engine speed regulator
• Engine alternator belt damage (broke or slipping)
• Too little or no oil in the engine
• Low coolant
Battery not charging • Poor contact with battery terminal cable connectors
• Charging lead is disconnected
• Alternator not charging
Machine moves slowly, unevenly,
or not at all
• Parking brake on
• Bypass valve on pump open
• Drive belt for the transmission gears is 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
• Low oil pressure, high water temperature
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