| Conventional Trouble | Trouble Reason | Clearing Way |
| Vibrating frequency decrease and the ramming force weaken |
1. V-belt loosens.
2. The grinding sheet in the clutch wheel is worn |
1. Adjust the position of the gasoline engine and tighten the V-belt. 2. Replace the grinding sheet. |
| The temperature of the vibrating box is too high and the noise increase |
1. The bearing is lack of lubricating oil. 2. The outer circle of the bearing rotates and the bearing base is worn out. 3. The bearing is damaged. |
1. Add lubricating grease. 2. Replace the bearing base or repair it. 3. Replace the bearing. |
| Abnormal sound during working |
1. The bolts loosen or the spring washer breaks off. 2. The bearing is damaged. 3. The outer circle of the bearing rotates and the bearing base is worn out. |
1. Fasten the bolts or replace the spring washer. 2. Replace the bearing. 3. Replace the bearing base or eliminate the clearance. |
| The handrail vibrates strongly or the engine base collides with the ramming plate |
The rubber spring is damaged | Replace the rubber spring |
| Oil leakage of the bearing | The oil seal is damaged | Replace the oil seal |