【 Weak current College 】 elevator maintenance standard operating procedures

<br> <br> 1. lift the day-to-day maintenance of standard operating procedures <br> <br> A the elevator maintenance annual plan table "for <br> <br> (A) every year before 15 December, .the Project Manager / Director organization with elevator maintenance staff, fill in the elevator maintenance annual plan table "and together with maintenance contracts submitted for approval. <br> <br> (B) the enactment of the elevator maintenance annual plan table" principle is .: <br> <br> Elevator use of frequency; <br> <br> Elevator health (troubles); <br> <br> Reasonable time (avoid holiday, special events, etc.). <br> <br> ( .C) the annual plan of elevator maintenance "shall include the following: <br> <br> Maintenance projects and content; <br> <br> Spare parts, spare parts program; <br> <br> Implementation and maintenance; <br .> <br> Projected costs. <br> <br> 2, Elevator maintenance personnel lift maintenance, you should press the elevator maintenance plan tables for the year. <br> <br> 3. safe operation of elevator maintenance <br> < .br> (A) the maintenance of security readiness: <br> <br> In the gate of the lift base station by placing the "deactivate" signs and repair; <br> <br> To turn off the hall door, the door .cannot be locked office, use the appropriate barrier block entrance, prevent independent access to the car or to enter the elevator shaft road; <br> <br> It was in the car top to do maintenance work, you must press the car top overhaul .and repair switch on the box, close the Office door. <br> <br> (B) maintenance of security considerations: <br> <br> To the rotating parts of refuelling, cleaning or observation of wire rope wear must stop shut elevators .; <br> <br> People working on the car top, standing at the foot should be chosen, not oil, you should clean up to slipping; <br> <br> People at the top of the car is ready to start the .elevator to the observation of the elevator parts of the work, you must firmly hold the rope, and it should be noted that the entire body into car within the bounding box size to prevent collision with other parts. The sedan maintenance personnel elevator, to account .for and with good, are not allowed to move the elevator without permission; <br> <br> Prohibition in Wells road and car top on smoking; <br> <br> Maintenance of electrical components should be avoided as far as possible, must .live working the charged operation or difficult to completely cut off the power of action, should prevent electric shock, the guardian, and should have the necessary tools and materials, special attention should be paid to the elevator suddenly starts running; <br> <br .> Use hand lamp must be used with guard, voltage 36V following security lights. It is best to use a flashlight; <br> <br> No maintenance staff at Wells along the wells road leaning, is strictly prohibited in the maintenance personnel feet are .standing at cabin roof and Hall door sill between long and repair operations; <br> <br> Pit depth exceeds 1.5M, you should use a ladder to climb up and down, to prohibit the attached wire and other parts of the upper and lower .end of the car. After entering the pit should be pit view lightbox on the emergency stop switch or speed limiter tensioner rope switch disconnect; <br> <br> Advised to avoid well up and down while in operation, you must at the same time ., lower job personnel should wear a safety helmet; maintenance and repair is not finished, need temporarily left the scene, you should do: <br> <br> A close all Office door, temporarily close on distinctly marked objects must be set up, .secure and surrounding, the hall door hanging "danger, do not close to the" warning signs, and sent a caretaker; <br> <br> - Cut the elevator total power switch; <br> <br> A exclusion of heat source ., such as the soldering iron, soldering, torch, etc. <br> <br> After the end of the maintenance work should be done: <br> <br> A all switch back to the original state, examine the tools and materials .have not left on the device; <br> <br> An inventory of tools and materials, cleaning the work site, removal of the Billboard; <br> <br> A transmission on the run, observation elevator operation, unusual and timely rectification .; <br> <br> A notice concerned personnel lift normal operation. <br> <br> 4. elevator maintenance personnel responsible for the day-to-day maintenance of elevators (cleaning, lubrication, adjustment, testing and security appliance efficiency check .), elevator and medium repairs done by the Foreign Affairs Committee. <br> <br> 5, every 3 months on elevator parts for inspection, cleaning, lubricated (emphasis on the security appliance efficiency checks, carry out maintenance on the elevator, Elevator .can be a one-time items all maintenance carried out, or the community all elevator sub-item for maintenance. <br> <br> (A) check the traction motor, gearbox has no abnormal noise, if you respond to traction motor bearing .add oil, gearbox joined worm gear lubricant. <br> <br> (B) check the traction motor and gearbox coupling elastic ring without injury, if you should replace the elastic ring, check the traction motor, gearbox and no loose bolts, if .you should tighten. <br> <br> (C) check the brake electromagnet and copper suite is good lubrication, action is flexible and non-blocked, or should slip agent, check all fixed bolt, spring adjustment nut is no loosening the fastening ., such as loose you should tighten. Brake temperature not exceeding 60 ℃. <br> <br> (D) door DC motor carbon brush wear if you exceed the new thickness 1 / 3 should be replaced. <br> <br> ( .E) speed limiter should be added at the Rotary pin lubricants, speed limiter, tensioning wheel Groove should be no abnormal wear, such as mill serious should be replaced and made the necessary adjustments; rope should be intact and no grease; Governor rope clamp qiankou .Department should no dirt or foreign objects, fat feet bolts should be secured. <br> <br> (F) examine the tensioning device action is functioning, you should make adjustments in machinery; check the limit switch is in the correct position, if .not in the normal position to a turnaround. <br> <br> (G) examine safety clamp transmission linkage action is flexible, with no card blockageIf there are blocking the response the transmission Department lubricants, safety clamp wedges and guide clearance should be 2 .~ 4MM. Safety clamp qiankou should be clean and free of oil. <br> <br> (H) clean control cabinet House components, check the contactor, the relay is healthy, there are no exceptional acoustic sail-contact with and without spark ., welding, coke phenomenon if you should proceed to renovate the requirements you like for the same model specifications of contactors, relays, check fuse has no loose, fever phenomena, such as the processing and tighten; check whether the various instruments, signal lights, .such as damage normally should be replaced. <br> <br> (I) check the mechanical selected layer with steel w / wuduan tooth, cracking and distortions, you should replace the steel belt; check whether depressed drive actions, such as flexible no .block block should the transmission parts and lubricants; check the important contact or switch contact is good, you should wipe or repair. <br> <br> (J) clear the car door, the door of the Hall of dust, greasy dirt track .. <br> <br> (K) to check the hall door contact is good, you should repair, door lock rotation parts should be injected oil check control box button, switch operation is flexible, reliable, timely replacement of failure. <br .> <br> (L) to check the automatic valve actuator, safety edge drive mechanism is functioning, the martensii screws, positioning with carved no fastening, there is no injury Portal crane belt, switch action is flexible and reliable car threshold switch, velocity .switch, door lock contacts, resistors and other damage. Ask Mun a knife from the hall door to Campo 5 - 8MM, door cutter cannot touch the taxi door and the door blade and the taxi clearance for the door, the hall door 3MM can ' .t scrape by hand from the outside. The axis of rotation, lubricating, ensure flexible, rotation of the safety edge Act sensitively and reliably. <br> <br> (M) to check the car and on heavy oil cartridge oil import boots ( .normal should be 2 / 3 oil box), the lack of oil should be timely and well; sowing wheel guide boots-gum without cracking, expansion, such as cracking, expansion should be replaced. <br> <br> (N) to .check phase protection, overspeed protection, mechanical interlocks, Hall door and car door and electrical interlock absorber complex truly off, emergency stop switch, security clamp switch, maintenance switch, Terminal spacing safety device, whether the action is reliable, non-compliant to adjust .or replace, and should be added to the transmission parts. <br> <br> (O) clearing on the shelf, on the block, buffer on debris, cleaning pit, clean then oil cartridge. <br> <br> (P .) review each part of the fastening bolts, inductor, clear the martensii dust and dirt. <br> <br> (Q) to check whether a traction rope tension, rope without extension, such as the extension should be adjusted accordingly. Drag 30 .Groove should be clean and free of oil. <br> <br> (R) check rails, pressure plate bolts for fastening road, such as loose you should tighten. <br> <br> (S) do intermediate junction box external cleaning ., fastening the Terminal Board voltage wire nuts. <br> <br> F annual community all elevators in a comprehensive and integrated inspection, cleaning, lubricating, repair and paste test, this work to be completed in early December. <br> <br .> (A) each year on the gearbox change once a new worm gear oil. <br> <br> (B) check the brake linings wear, such as when you wear thickness over new 1 / 2 thickness should be replaced when. < .br> <br> (C) cleaning speed, tension wheel and lubricates. <br> <br> (D) tensioning wheel base plane distance away from the pit floor should be 500-50MM, exceeded should be stopped. <br> < .br> (E) check safety clamp wedges and guide clearance (normal 2 - 4MM), test security clamp action is sensitive and reliable, does not meet the requirements of the mechanical adjustment should be made. <br> <br> (F) .cleaning machinery selected layer, the rotating parts and lubricants, damaged components should be replaced. <br> <br> (G) clean room doors hanging doors wheels, tracks and wire rope, replace worn door wheel, the holes of the slider to adjust .the speed door. <br> <br> (H) where the Office car door, door lock position, tighten the bolt, the door blade ministries and layer door to Kham, door lock wheel and car clearance should guarantee 5 - 8MM. < .br> <br> (I) fastening on block locking device, rope head plate and adjusting the ministries bolts, chains, fastening compensation should not at run time. <br> <br> (J) plus buffer oil, buffer reset test, .a reset switch should be accurate, drive action should be flexible. <br> <br> (K) on the Terminal limit switch do test, the overtravel overtravel distances for the upper and lower side of the station Hall ground Ridge beyond 50 - 70MM .. <br> <br> (L) Terminal do overtravel limit switches, test overtravel distances for the upper and lower side of the station Hall stand ground Ridge beyond 150 ~ 200MM. <br> <br> (M) to check the dynamic .part of the insulation resistance should be 0.5 M Ω or more, the rest of the electrical lines shall be 0.25 M Ω or more, if not require drying treatment should be conducted. <br> <br> (N) to check the fuses, .fuse, thermal relay, phase sequence relay protection equipment is functioning correctly, if not it should be replaced. <br> <br> 6. each elevator maintenance time does not allow more than eight hours, to more than 8 hours, from the Engineering .Department equipment managers complete the application form "delayed maintenance, Engineering Manager, project manager for approval before the delay. <br> <br> 7, for a plan not listed in the maintenance and repair work should be complemented as soon as possible of the .engineering department managers to plan for unexpected equipment failures, first engineering manager / supervisor verbal approval, by the elevator maintenance standard operating procedures for emergency maintenance. <br> <br> 8, Elevator maintenance staff should be the maintenance of clear, complete, specifications ., records in the elevator maintenance records of the table, and each time it is maintained within 3 days after finishing a book after the Engineering Department archive, save for the long-term. <br> <br> 9, Elevator deactivate management <br .> <br> Elevator for maintenance reasons need to stop the ladder should be filled in by the Engineering Department for the disabledLaw, the Engineering Department approval report project Department and inform the customer service department, the customer service Department for a 24-hour party. .As a result of special circumstances when the elevator stopped, should lift recovery after the user concerned within 12 hours. <br> <br> 7, Elevator maintenance standard operating procedures <br> <br> Program highlights <br> <br> A .lift after a failure, Elevator maintenance personnel arrived at the scene should be quick (maintenance personnel 10 minutes) for repair. <br> <br> B to review the symptoms, causes a failure analysis, failure analysis. <br> <br> .C depending on the failure to make the appropriate treatment. <br> <br> D common mechanical failures and solutions <br> <br> (A)-room: <br> <br> Motor bearing failure: motor operation making unusual noises ., such as the judgement is bearing failure, inspections should remove the motor bearings, card issuing, excessive wear and tear, it shall replace the bearings; <br> <br> Selected layer fault: typically have the following: <br> <br .>-Sliding chain: should adjust the chain length, adjust the drive wheel position; <br> <br>-The selected layer with triangular contact fixed: too many for the dirt and dust, apply detergents clean. This agent decontamination quick, clean ., and smooth effects; <br> <br> - -, Inflexibility downslide rod: mainly oriented bearing stainless die, or Rails no lubrication, capstan rust, a lubricant. Should replace the Steering bearings, guides with lubricating oil, remove rust, dirt ., capstan and lubricants; <br> <br> Brake failure: brake shoe and the friction between the brake wheel. Should adjust the brake pad, replace the brake, brake wheel on the oil pollution; <br> <br> Governor rope fault .: clamping jaws and Groove are incidentals, bearing damage. Should clean sundries, replace the bearings. <br> <br> (B) Wells road and car: <br> <br> L car doors and automatic Gates faults: switch with jitter .sound, not open the door, the door is not closed, when audio, door gap is too big, and so on. Should clear the ground Ridge chute sundries, adjust the safety edge, connecting rod rotational force refueling. <br> <br .> L Hall door failure ibid.; <br> <br> L the door blade failure: runtime has to touch the sound, or sudden stop. Should adjust the door blade position (open the knife and brush the ground Ridge room <br> .<br> L rail failed: operation not smooth, shaking, vibrations, etc. Should adjust the track sizes, used for road-foot track adjusting, with long xiuping interface; <br> <br> L guide boots failure: does not run .smoothly, a mill iron sound, vibration, and other phenomena, import boots tablets, wear boots, in the wrong place, you should replace the import boots, adjust the seat location; import boots <br> <br> L safety clamp fault: .run-time has worn rail, serious safety brake caliper also action, or unilateral braking. Should adjust the security clamp clearance, security, linkage, lubricating, ensure that the active sites. <br> <br> (C) pit: <br .> <br> Compensation chain failure: runtime has to touch the chain, since compensation chain growth or shorten and other reasons. The length should be adjusted compensation chain; <br> <br> Safety clamp rope tensioning wheel failure: there is a steel .mill or abnormal sound. Wire rope safety clamp should be adjusted, the replacement of bearings; <br> <br> Buffer: buffer rusty, inactive, hydraulic oil shortage. Should remove the rust, the hydraulic oil. <br> <br> .E elevator common electrical faults and maintenance methods <br> <br> (A)-room: <br> <br> Fuse failure: <br> <br>-Bumpers, pit emergency stop, rope switch short-circuiting. Should drain .the pit with water, exclude short point, put on the same fuse, Hall door car door safety circuit; <br> <br> - A water well road, a short circuit. Go to water should be broken, exclude circuit breaker points and .put on double loop with fuse, led; <br> <br> - - Outside indicates there is water or cable rupture circuit breaker. Should drain water, exclude short point, replacing the fuse, control circuit; <br> <br> - .The control coil being burnt, control components internal circuit breaker, should replace the control coil and control components, exclude line circuit breaker points, put on double with fuse. <br> <br> Contactors and breakers: contactors or relays do not work, .due to the contactor and relay coil burn, control line or plug-ins have a break point, control lines insurance was burned and other reasons. Should replace contactors or relays, exclude disconnect, replace the fuse. <br> <br> (B .) driving and cabin: <br> <br> L upper / lower limit and limit switch failure: the failure to appear cannot go car elevator is generally not good because of switch contacts or circuit breakers and other reasons. You should clean the contact point .or replace, remove the breakpoint, etc.; <br> <br> L car door, Hall door interlock switch failure: this failure is closing off the elevator car only, are typically not good interlock switch contacts or switches, circuit breakers and other .damage to the cause. Point of contact should be clean, replace the switch exclude line breaks, etc.; <br> <br> L safety clamp switch, security window switch, the car top emergency stop: this failure occurs, the lift does .not take the car is due to the General switch bad or corrupted, etc. Point of contact should be clean, replace the switch. <br> <br> (C) pit: <br> <br> L buffer switch, pit emergency .stop switch failure: this failure occurs, the lift does not take the car is due to the bad in General, buffer reset is not in place, the main cable is too long, heavy damage to the switch into the buffer. Point of contact should .be clean, buffer reset, shorten the primary wire, replace the switch; <br> <br> L tensioning wheel rope switch failure: this failure occurs, the lift does not go cart is generally bad contact switch, security clamp steel wire is too .long to switch causes damage, etc. Point of contact should be clean, shorten security clamp steel wire, replace the switch. <br> <br> F elevator troubleshooting, Elevator workers should lift maintenance condition records in the elevator maintenance records table ", .the archive is stored for a long time. <br> <br> <br>.