How to ensure the practicality of the pulley

When using the pulley, it is necessary to ensure the reasonable application and practicality of the pulley, and avoid the situation that the pulley is not applicable. Many people sometimes feel that the pulley is not the right size. In fact, it is not noticed when disassembling and assembling.

When disassembling:

First mark the position between the pulley or the coupling and the shaft, screw the factory fixing screws and pins, and then slowly pull it out with the puller.

If it cannot be pulled out, pour kerosene in the inner hole and pull it again;

If it still cannot be pulled out, use an emergency fire to quickly heat around the pulley or coupling, and wrap the shaft with a damp cloth and keep pouring cold water to prevent heat from being introduced into the motor.

When assembling:

First use a fine iron abrasive cloth to smooth the shaft hole of the shaft, pulley or coupling, and align the pulley or coupling with the keyway on the shaft;

Use wrought iron or hardwood to pad the end of the key and gently tap the key into the slot;

The key should be tight in the groove. Too tight or too loose will hurt the key and the injury groove. Too loose will also cause the belt to slip or vibrate.