Weak current College】 【elevator maintenance specifications --- Power By】 【China power house network.

Elevator maintenance personnel arrived at the scene, you should ask the elevator managers and lift drivers for elevator and failure scenarios, and records.
1, Elevator maintenance personnel arrived at the scene, you should ask the elevator managers and lift drivers for elevator and failure scenarios, and records.

2. maintenance of insurance

Security officers to carry out the maintenance, overhaul of the elevator, the Office should be in the layer in front of the hang up "elevator maintenance, overhaul" signs.

3, maintenance personnel in the elevator room check or refuelling should cut off the elevator into the line of the main power supply and electrical measuring apparatus inspection to confirm that no power is allowed to carry out the checks and refueling. 3.1 on Control Panel to do inspection and maintenance.

3.1.1 checking Control Panel main circuit on the contactor contacts and wiring, and the main loop for fastening the Terminal.

3.1.2 check the relay control screen Cabinet, repair or replace the relay contact ablation.

3.1.3 check Control Panel Cabinet all resistors, capacitors, whether there is a deficiency of welding, by welding, resistance Hoop, resistance wire broken, replace resistance, resistance and capacitance, Central, and then restart the solder.

3.1.4 check control on-screen fuses and fuse, rotation and replace the fuse to conform to the standardized.

3.1.5 check, adjust control screen Cabinet contactors, relays of mechanical chain.

3.1.6 check, adjust control screen Cabinet the Terminal, and do a clean work.

3.1.7 check selenium rectifier, Silicon rectifier and do a clean work.

3.2 on traction machine do inspection and maintenance.

3.2.1 checking traction machine oil inside the worm gear, oil level and worm, worm gear, worm gear box oil once a year. (Cursor: according to product specification)

3.2.2 check traction motor rear sliding bearing (copper bushing) of oil and the oil level, and rear bearing cleaning oil change every year.

3.2.3 on tractor worm shaft note "lithium base grease" (at least once a year).

3.2.4 on traction machine complex around the wheel, the bridge round note lithium base grease (once a month).

3.2.5 on tractor brakes pine brake cam, manually quit the 3 ~ 5m/m with screw fastening.

3.2.6 check speed motor output belt wear and adjust the belt tension.

3.2.7 check the fastening of a traction motor, traction machine box bolt.

3.2.8 on traction overall do cleaning work.

3.3 on selected layer for inspection, maintenance.

3.3.1 check, adjust the selected layer of Contac and switch.

3.3.2 check the fastening screws of the selected layer with all the selected layer with reducer, moving parts and chain cleaning and oiling.

3.4 on DC generator checks.

3.4.1 on DC generator note lithium base grease. (Once per quarter)

3.4.2 check the generator runs, adjust or replace generator carbon brush, clean the generator.

3.5 check speed limiter.

3.5.1 examine speed limiter switch is a good and reliable.

3.5.2 on Governor drive shaft refuelling or note butter.

3.5.3 the Governor to do cleaning work.

3.5.4 checks, checking speed limiter. (Annual)

3.6 on room total switch limit switch maintained.

3.6.1 check, adjust switch limit switch contact, trimming ablation blade check fuse to meet application requirements.

3.6.2 mechanical parts for limit switches do cleaning, oiling and manual work limit test.

4. send power in engine room operations lift operation.

When the shooting location 4.1 off Hall, car door, the door pick-up, broken open relay coil cord, prevent access to the lift stop. Produce the harm.

4.2 overhaul State slow operation check.

4.2.1 check and adjust brake clearance, spring pressure.

4.2.2 check control cabinet maintenance run-time, relay, contactor actions properly.

4.2.3 checking traction machine runs in maintenance mode is no exception.

4.2.4 actuator voltage is normal.

4.3 room on elevator do express operation check.

4.3.1 Express run-time, check whether the normal main loop.

4.3.2 Express run-time check register, stops, eliminating the relay, is OK.

4.3.3 check traction motor rear bearing at the fever.

4.3.4 check tractor rear cover has no fever and unusual circumstances.

4.3.5 check after the elevator stopped at the top station, will open the door relays connected.

5, by elevator maintenance staff use slow elevator down direction flush with the floor and then go off the ladder car top, open car top lighting, shut down the hall door, jiaoding overhaul switch box to manipulate the manhole.

5.1 climbing with maintenance, fast go up-check the slow limit and limit limit on whether reliable and relevant size and clean.

5.2 check on whether the limit switch unit and clean and reliable.

5.3 overhaul climbing down operation check

5.3.1 check, fastening the rail connection Board, guides bearing, and clean.

5.3.2 check each sensor to adjust the relative size and clean.

5.3.3 on main, Vice guide rail oil Cup filling and checking, adjusting or replacing the guide rail oil Cup of linoleum.

5.3.4 checking, cleaning of all floors of the hall door, mechanical door lock door electrical performance tuning with its relative size.

5.3.5 checking, adjusting (replace) the layer Gallery door slider.

5.3.6 check automatically closes a hammer and rope lock.

5.3.7 inspection, cleaning wells road cable wire shelf in indirect trunking, line pipe, etc.

5.3.8 check car top safety clamp, security window switch.

Security 5.3.9 check and wire rope clamp fastening clamp.

5.3.10 check clean car top.

5.3.11 leave car top, car top overhaul box is switched on.

5.4 on the second floor Office do car door check out.

5.4.1 check door motor, adjust door belt tight.

5.4.2 check tuning car door switch speed, do cleaning work.

5.4.3 check adjustment of clean car door drive parts and fuel.

5.4.4 closed car top lighting, shut down the hall door, allowing the elevator to the second floor level.

6, elevator shaft road pit inspection

6.1 overhaul slow elevator upwards, maintenance personnel into the pit.

6.2 open pit lighting switch.

6.3 cut off the bottom hole repair switch.

6.3.1 check, adjust cleaning Governor Zhang rope and rope switch.

6.3.2 check, adjust cleaning wells road, lower limit and sensors.

6.3.3 check pit clean buffer spring or hydraulic buffer.

6.3.4 check, adjust cleaning pit Zhang rope round and switch.

6.4 close the bottom hole repair switch.

6.4.1 local train maintenance reduction.

6.4.2 check and adjust the minimum bit switch activating car and cleaning work.

6.4.3 checking adjustment layer base station door limit.

6.4.4 elevator maintenance of climbing up, do a pit to leave clean the maintenance shall climb pit pull car bottom cable ".

7, in the car and its sublayers operated outside inspection.

7.1 check sedan the directive on the control box button, the led, buzzer, adjustment and replacement.

7.2 checking, adjusting, repairing the floor call button and led.

7.3 check base station power layer door key.

7.4 checking BTS mechanical door key layer.

7.5 check base station fire dedicated button. (Annual)

8. maintenance completed: elevator several speed car running, when the real security is correct, then the "elevator maintenance, overhaul" card, and then let the input properly.

9, do maintenance work record and signed by the party a finishing archive.