The main hoist shaft device abnormal noise reasons

Mine main hoist spindle device abnormal noise reasons 1. Hub and the drum connected fasteners loose 2. Swimming drum bush gap: the old side of the winch is a copper tile, the clutch side is nylon tile, and now the two Copper side of the tile. A. With the feeler to check the tourbillon roller bearings and the bottom of the tile gap to judge B. Can also grease the grease gun, and then turn the clutch anyway, a few turns to re-close the clutch, if no abnormal sound Indicating that the copper gap has become larger, but can continue to use, such as the smaller the anomaly shows bearing bush clearance is too large, the need to replace the bearing 3. There may be loosening caused by screws loosening sound 4. Check the spindle bearings; May come from the spindle bearings, bearing failure is expected. Such as allowing downtime, should be opened as soon as possible bearing inspection; if not allowed to stop, you can first do a professional instrument online state testing. If left unchecked, the spindle will be further damaged.