1. The lubrication of the gearbox, gearbox, external meshing gear and other parts and hydraulic oil are carried out according to the requirements in the lubrication table.

2. The brakes of various agencies should be checked frequently and the gap between brake shoes and brake wheels should be adjusted to ensure flexibility and reliability. There should be no dirt on the friction surface, and the dirt must be washed off with gasoline or thinner.

3. Frequently check the connection of each part of the hydraulic elevator, and tighten it if it is loose. The body connecting bolts should be checked for tightness when the body is under pressure. All connecting shafts must have cotter pins, and they must be fully opened.

4. Pay attention to check whether there are broken wires and loose strands in the wire ropes. If it exceeds the relevant regulations, it must be replaced immediately. The maintenance of the steel wire rope should strictly follow the regulations of GB5144-85.

5. When installing, disassembling and adjusting the slewing mechanism, pay attention to ensure that the center line of the slewing mechanism reducer is parallel to the center line of the gear, and the meshing surface is not less than 70%, and the meshing gap should be suitable.

6. Frequently check whether each mechanism is operating normally and whether there is noise. If any malfunction is found, it must be eliminated in time.

7. When the hydraulic elevator motor is overheated, stop it in time and continue to run after troubleshooting. The motor bearing should be lubricated well.

8. Always check all wires and cables for damage. Bandage and replace the damaged part in time.

9. All control boxes, distribution boxes, etc. are always kept clean, and dust on electrical equipment is cleaned in time.

10. The contact surface of each part of the brush should be kept clean, and the pressure of the brush should be adjusted so that the contact area is not less than 50%.

11. The contact opening and closing of the travel switch of each safety device must be reliable, and the contact crater should be polished in time.