1. At the moment of commutation, the coupling or key should be carefully checked and replaced. The loose and spacious key should be replaced to restore a large area of tight cooperation. The coupling should restore the function of cushion to make the flexible cushion really useful. These parts can not work with diseases for a long time, otherwise the result can not be repaired.

 

2. The foreign bodies in the silk barrel are dynamic and static, mostly due to small metal particles or molybdenum wire heads entering the silk barrel. As long as it is not the dynamic balance in the silk barrel to adjust the upsetting nail drop, it can still work, and soon the small metal particles or molybdenum wire heads will wear out.

 

3. The abnormal noise of the belt or gear should be checked to see whether the belt or gear has been worn excessively, and should be replaced in time. If the occlusion gap is not proper, the occlusion gap should be adjusted in time.

 

4. The screw barrel to the moving screw bears too much load to form friction or impact sound, which will soon damage the relevant parts. The abnormal phenomena in this part should be carefully checked until the elimination is stopped.

 

5. The dynamic balance of the fan blade or itself of the wire-moving motor.