1. Choose suitable lubricating oil, if less than 11KW small load gear oil is larger than medium load gear oil. Always pay attention to oil level and quality, sealing. Regularly add grease, pay attention to the rotation direction of different types of oil pump, clockwise rotation is correct.
2. Keep the motor clean, fix the parts, prevent vibration and other causes of parts falling off.
3. At the end of running-in period, oil should be changed in time, and worm wheel and screw elevator should be inspected and maintained regularly.