1. The first-level maintenance work is carried out on the basis of routine maintenance. The key work content is lubrication, tightening and inspection of all relevant parts and cleaning.
2. The secondary maintenance work focuses on inspection and adjustment. Specifically, check the working conditions of the motor, transmission, transmission mechanism, working device, pneumatic system, and electrical system and make some adjustments to eliminate the found faults to ensure that the mechanical assemblies and parts have good working performance.
3. The key point is to detect, adjust, eliminate hidden troubles and balance the wear of various parts. It is necessary to carry out diagnostic inspection and status detection on the parts that affect the performance and the parts with faults and symptoms, and then complete the work of replacement, adjustment and troubleshooting.