Provision of maintenance time
Daily maintenance (per shift).
After working 1500 hours, the elevator undertakes minor repairs to mechanical and electrical systems.
After 5000 hours of work, the elevator will be repaired in the middle of mechanical and electrical systems.
After 10,000 hours of work, the elevator overhauled its mechanical and electrical systems.
Equipment Maintenance and Maintenance
The brakes of various agencies should be checked and adjusted regularly to ensure flexibility and reliability. On the friction surface, there should be no dirt. If there is dirt, it must be washed off with gasoline or dilute material.
The lubrication and hydraulic oil of gearbox, gearbox, external meshing gear and other parts are carried out according to the requirements of the lubrication table.
Attention should be paid to checking whether there are broken wires and loose strands in each wire rope. If it exceeds the relevant provisions, it must be renewed immediately. Maintenance of steel wire rope should be strictly in accordance with the provisions of GB5144-85.
Check the connection of each part regularly, and tighten it if it is loose. The body connecting bolts should be checked for tightness when the body is under pressure (the compression state can be caused by the method of rotating arm). All connecting slightly shafts must have open pins and be fully opened.
Regular inspection of the normal operation of institutions, whether there is noise, such as fault detection, must be eliminated in time.
When installing, disassembling and adjusting the rotary mechanism, attention should be paid to ensuring that the center line of the reducer of the rotary mechanism is parallel to the center line of the gear, and its meshing surface is not less than 70%, and the meshing clearance should be suitable.
Check all wires and cables regularly for damage. The damaged parts should be dressed and replaced in time.
When the motor is overheated, stop in time and continue to run after troubleshooting. The lubrication of motor bearings should be good.
The contact surface of each part of the brush should be kept clean, and the pressure of the brush should be adjusted to make the contact area not less than 50%.
The control boxes and distribution boxes are often kept clean, and dust on electrical equipment is cleaned in time. 11. The contact opening and closing of the travel switch of each safety device must be reliable, and the contact arc pit should be polished in time.