1. First, before maintenance and adjustment, make sure that the power supply of the threaded die motor has been cut off to ensure safety, and remove the fixing screw with a suitable tool to open the cover or housing of the die motor.

2. Secondly, find one or more limit adjustment screws inside the motor. Use a suitable tool to slowly adjust the position of the limit adjustment screw.

3. Finally, after the adjustment is completed, reinstall the cover plate or shell and reconnect the power supply.