TROUBLESHOOTING
11-5
Service Brake
Symptom
Cause
Solution
Service brake does not work properly
Malfunction of brake valve
* Repair, Replace
Oil leak from brake line, Air mixing
* Repair, Bleed air
Brake is dragged
Malfunction of brake valve
* Repair, Replace
Faulty brake pedal
* Repair, Replace
Lack of brake fluid (hydraulic oil)
Oil leak from brake line and/or hose connector * Retighten or repair
Oil leak due to brake piston seal (inside axle)
*Repair, Replace
* Consult your authorized Hitachi dealer.
Transmission
Symptom
Cause
Solution
Transmission is noisy.
Lack or deterioration of gear oil
Refill, change
Worn inner parts in transmission
* Repair, Replace
Broken gear or bearing
* Repair, Replace
Oil overheats
Abnormal fan rotation
* Repair, Adjust
* Consult your authorized Hitachi dealer.
Propeller Shaft
Symptom
Cause
Solution
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
* Consult your authorized Hitachi dealer.
Front Axle, Rear Axle
Symptom
Cause
Solution
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
* Replace
Broken gears
* Replace
* Consult your authorized Hitachi dealer.
Others
If there is a problem with the machine, a noise, excessive vibration, and abnormal smells may occurs.
Always be aware of the machine conditions during operation.
Summary of Contents for ZW 310-6
Page 4: ......
Page 10: ...CONTENTS MEMO ...
Page 14: ...INTENDED USE 2 MEMO ...
Page 57: ...SAFETY SIGNS S 43 ZW310 6 SS 3777 2 ...
Page 59: ...SAFETY SIGNS S 45 ZW330 6 92Z7B S 40EU ...
Page 246: ...BREAK IN 2 2 MEMO ...
Page 280: ...DRIVING MACHINE 4 20 MEMO ...
Page 460: ...MAINTENANCE 7 146 MEMO ...
Page 464: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 4 MEMO ...
Page 468: ...STORAGE 10 4 MEMO ...
Page 474: ...TROUBLESHOOTING 11 6 MEMO ...
Page 498: ...INDEX 14 6 MEMO ...
Page 502: ...CONFORMITY MEMO ...
Page 506: ......