TROUBLESHOOTING
11-4
6. Drive Function
Problem Cause Solution
Steering wheel is heavy to
operate.
Faulty steering pump * Repair, Replace
Faulty steering device * Repair, Replace
Malfunction of steering cylinder * Repair, Replace
Relief valve set pressure reduction * Adjust
Faulty steering column
Low tire air pressure * Inflate
Steering wheel turns in
unexpected direction.
One side brake is applied or dragged. * Adjust
Accelerator pedal is heavy to
operate.
Rusted joint * Lubricate, Repair
Accelerator pedal play is
excessive.
Worn joint * Replace, Repair
Parking brake does not work
properly
Worn brake disk and/or pads * Replace
Faulty parking brake solenoid valve * Repair or replace
Service brake does not work
properly
Malfunction of brake valve * Repair or replace
Oil leak from brake line, Air mixing * Repair. Bleed air
Service brake is dragging. Malfunction of brake valve * Repair or replace
Faulty brake pedal * Repair or replace
Corrosion of brake pedal parts Clean and lubricate
Pebbles in area of brake pedals Remove - clean area
Service brake fluid loss
(hydraulic oil).
Oil leak from brake line and/or hose
connector
* Retighten or repair
Oil leak due to brake piston seal (inside axle) * Repair
Transmission is noisy. Lack or deterioration of gear oil Refill, replace
Worn inner parts in transmission * Repair, Replace
Broken gear or bearing * Repair, Replace
Oil temperature increases. Faulty fan rotation * Repair or adjust
Propeller shaft vibrates. Bent propeller shaft * Repair, Replace
Loosened parts, Loss of balance * Retighten, Adjust
Propeller shaft is noisy Excessively worn spline * Replace
Worn or seized spider bearing * Replace
Loosened parts * Retighten
Insufficient greasing Grease
Front and/or rear axle is noisy Worn or broken gears * Replace
Lack or deterioration of gear oil Refill, Replace
Worn bearings, Excess play * Replace
Excess play on shaft spline * Repair, Replace
Front and/or rear axle does
not transmit power.
Broken axle * Repair
Broken gears * Repair
NOTE: * Consult the nearest authorized dealer.
7. Others
The machine may have a noise, excessive vibration, and
abnormal smell when any trouble occurs. Always beware of
the machine conditions during operation.
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