1. Power-on operation check should be done before the installation of motor.
2. Outgoing leads should not be strongly pulled.
3. Direct strikes and pressure on the output shaft are not allowed.
4. Try not to appear stall running during the process of motor's installation, testing and using.
5. Make installation screw at a suitable length, or structural parts inside motor may be damaged.
6. Motor should be run in a ventilated, dry, clean place.