Elevator maintenance is performed by elevator service technicians to keep elevator system safe and running. It is a systematic process of inspection which includes finding, diagnosing and fixing problems before they cause machine breakdown, malfunction, or shutdown. Elevator preventive maintenance inspections are critical in ensuring compliance with building regulations and ensuring all equipment is in good working condition. Elevator malfunctions can inconvenience tenants, cause costly repairs and create safety hazards. Performing regular elevator maintenance inspections can mitigate these risks.
· Ensure the emergency exit hatch is easily accessible.
· Test the brakes and inspect the mechanism to make sure it is in good condition.
· Check cables for signs of wear.
· Look for signs of rodents or vandalism along the hoist way.
· Make certain the area has proper access.
· Inspect the pit to make sure it has the necessary clearance.
· Check the car frame for signs of damage.
· Ensure the door can open and close freely and without obstructions.
· Look for signs of damage on the ceiling, handrails and walls.
· Find and replace any burned-out lights, including in the control panel.
· Make sure the emergency stop button is fully functional phone is working.
· Replace any lights that have burned out each floor.
· Inspect the door panels and clearances.
· Test the smoke detector and fire alarm system.
· Check oil levels and ensure all systems are properly lubricated.
- The functioning of the door operator
- Door protective devices
- General operation
- Leveling operation
- Door operator
- Emergency stop switch
- Alarm bell
- Communication devices
- Door open button
- Door closing pressure
- Machine
- Car door roller and eccentrics
- Car door clutch assembly
Position indicators and signal lamp.
- Replace burshes having 40% or less of their original length remaining
- Cleaning of rotating electrical equipment
- Rotating electrical equipment connections
- Cleaning of commutators and controller
- Roller guides
- Governor
- Buffers and oil buffers
- Emergency lighting
- Safety mechanism
- Traveling cables
- Sheaves and shaft
- Operation of hoist way doors
- Door interlocks, guides, hanger wheels
- Door closer cables
- Fire service operation
- Security system operation
- Intercommunication system operation
- Rope hitches and tension
- Door open time pause
- Load weighting devices
- Main motor contractors
- Car operation station
- Guide rails
- Safety test
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