First, we first look at the maintenance requirements for hydraulic lifts:
1. Daily maintenance (per shift).
2. Minor repairs to mechanical and electrical systems after 1,500 hours of lift operation.
3. After the lift has operated for 5,000 hours, the mechanical and electrical systems are repaired.
4. Overhaul of mechanical and electrical systems after 10,000 hours of lift operation.
Second, the hydraulic lift machinery and equipment maintenance and maintenance:
1. The brakes of various agencies should always check and adjust the clearances between the brake shoes and brake wheels to ensure flexibility and reliability. On the friction surface, there should be no dirt, dirt must be washed off with gasoline or thinner.
2. Lubrication and hydraulic oil of gear box, gearbox, external gear and other parts are all according to the requirements in the lubrication table
3. Attention should be paid to checking whether there are broken wires and loose strands in the wire ropes of various departments. If it exceeds the relevant regulations, it must be replaced immediately. The maintenance of wire ropes should strictly comply with the provisions of GB5144-85.
4. Check the connection of each department frequently and tighten it if loose. The body connection bolts shall be checked for tightness when the body is under pressure (rotary arms may be used to create compression). All connecting shafts must have cotter pins and must be fully opened.
5. Regularly check whether the agencies are operating normally and whether there is noise. If any faults are found, they must be promptly removed.
6. When mounting, disassembling and adjusting the rotary mechanism, it is necessary to ensure that the centerline of the reducer of the rotary mechanism is parallel to the centerline of the gear, the mating surface is not less than 70%, and the meshing clearance should be suitable.
7. Always check all wires and cables for damage. Should be timely dressing and replacement of the damaged part.
8. If the motor is overheated, stop it in time and continue to run after troubleshooting. The lubrication of motor bearings should be good.
9. Each part of the brush, its contact surface should be kept clean, adjust the brush pressure, so that the contact area is not less than 50%.
10. Each control box, distribution box, etc. are often kept clean and dust on electrical equipment is cleaned in time.
11. The opening and closing of the contacts of the trip switch of each safety device must be reliable, and the contact arc pits should be polished in time.
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