TROUBLESHOOTING /SYSTEM PERFORMANCE

Troubleshooting

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-9.Abnormal noise or inability to travel

Worn or damaged inner parts of front and rear axles

Worn or damaged inner parts of reduction gear box

Drain and collect oil to check for presence of foreign matter (f ragments and metal particles from gears and bearings)

Replace faulty parts.

If noise-producing location (front axle, rear axle, or reduction gear box) cannot be identified, use the following method.

1. Jack up the machine and support it with stands.

2. Remove the propeller shaft ① (reduction gear to front axle) a nd move only the rear wheels. If no abnormal noise is heard, there will be a proble m in the front axle.

3. If abnormal noise still exists in step 2 above, install the p ropeller shaft ①, remove the propeller shaft ② (reduction gear box to rear axle), then mov e only the front wheels. If no abnormal noise is heard, there will be a problem in the rear axle. If abnormal noise still exists, there will be a problem in th e reduction gear box.

Troubleshooting