Others - Hitachi ZW 370-6 Operator's Manual

6. Drive Function (Continued)
Problem
Transmission is noisy.
Oil temperature increases.
Propeller shaft vibrates.
Propeller shaft is noisy
Front and/or rear axle is noisy Worn or broken gears
Front and/or rear axle does
not transmit power.
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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.
TROUBLESHOOTING
Cause
Lack or deterioration of gear oil
Worn inner parts in transmission
Broken gear or bearing
Faulty fan rotation
Bent propeller shaft
Loosened parts, Loss of balance
Excessively worn spline
Worn or seized spider bearing
Loosened parts
Insufficient greasing
Lack or deterioration of gear oil
Worn bearings, Excess play
Excess play on shaft spline
Broken axle
Broken gears
11-5
Solution
Refill, replace
* Repair, Replace
* Repair, Replace
* Repair or adjust
* Repair, Replace
* Retighten, Adjust
* Replace
* Replace
* Retighten
Grease
* Replace
Refill, Replace
* Replace
* Repair, Replace
* Repair
* Repair