A detailed Escalator MONTHLY preventive maintenance checklists
1. Safety Precautions
2. Visual Inspection
- Inspect the surface for scratches or dents.
- Look for any loose or missing step treads.
- Check for uneven wear patterns or damage.
- Ensure all step edges are intact and not frayed.
- Look for cracks, tears, or breaks in the handrails.
- Check for proper alignment with the escalator steps.
- Ensure handrails are securely attached and stable.
- Verify the handrail movement is smooth and unobstructed.
- Remove any visible dirt, dust, or debris.
- Check for tools or items left during previous maintenance.
- Ensure the pit area is clear for proper drainage.
- Inspect for any signs of pest activity or nests.
- Check for damp spots or water pooling.
- Inspect nearby walls or floors for water stains.
- Look for signs of mold or mildew.
- Assess the area for trip hazards or obstructions.
- Ensure all signs are legible and not faded.
- Check for any signs of damage or detachment.
- Verify compliance with safety regulations.
- Confirm that emergency instructions are clearly displayed.
- Examine the visibility of step edge markings.
- Look for any peeling or worn paint.
- Ensure demarcations are clear and consistent.
- Assess the need for repainting or touch-ups.
- Listen for grinding, squeaking, or rattling sounds.
- Monitor the speed of the escalator.
- Ensure there is no jerking or stalling.
- Check if the escalator stops smoothly at landings.
- Check that steps align evenly with the landing.
- Inspect for gaps between the steps and landing.
- Ensure there are no trip hazards at the transition.
- Verify that the escalator is level at the entry points.
- Check for cracks or missing sections.
- Ensure comb plates are securely fastened.
- Look for debris caught in the comb teeth.
- Verify that comb plates are aligned with steps.
- Check that buttons are not obstructed by debris.
- Ensure buttons are clearly marked and functional.
- Test buttons for proper operation.
- Confirm accessibility for all users.
- Inspect visible fasteners for tightness.
- Look for any signs of rust or corrosion.
- Check for missing screws or bolts.
- Ensure fasteners are appropriate for the material.
- Test all lights for functionality.
- Check for burnt-out bulbs or flickering lights.
- Remove any obstructions blocking the light.
- Ensure lighting adequately illuminates the escalator area.
- Test the alarm to ensure it sounds properly.
- Check that alarm is audible in the surrounding area.
- Verify that the alarm indicator lights function.
- Ensure the system is regularly tested and maintained.
- Inspect all metal parts for discoloration.
- Check joints and welds for signs of deterioration.
- Ensure protective coatings are intact.
- Assess the need for treatment or replacement.
- Check for tears, cracks, or detachment.
- Look for any gaps that could pose a safety risk.
- Ensure skirts are securely fastened to the structure.
- Inspect for any foreign objects lodged in the skirts.
- Check panels for damage or loose fittings.
- Ensure panels are clean and free from grime.
- Inspect supports for signs of wear or instability.
- Verify that all components are securely attached.
3. Mechanical Components
4. Electrical Components
5. Cleaning
6. Lubrication
7. Testing
- Start the escalator and observe initial movement.
- Ensure a consistent and smooth acceleration.
- Check for any jerking or stalling during operation.
- Verify the consistent speed throughout the run.
- Use a calibrated speed measuring device.
- Compare the measured speed with manufacturer specifications.
- Document any discrepancies and adjust settings if needed.
- Repeat the measurement for accuracy.
- Activate the emergency stop button during operation.
- Ensure the escalator halts immediately and safely.
- Check for any abnormal sounds or delays.
- Reset the system after the test.
- Listen for grinding, squeaking, or rattling noises.
- Feel for excessive vibrations on the handrails.
- Note any irregularities for further inspection.
- Ensure all components are securely in place.
- Start the escalator and observe initial movement.
- Ensure a consistent and smooth acceleration.
- Check for any jerking or stalling during operation.
- Verify the consistent speed throughout the run.
- Use a calibrated speed measuring device.
- Compare the measured speed with manufacturer specifications.
- Document any discrepancies and adjust settings if needed.
- Repeat the measurement for accuracy.
- Activate the emergency stop button during operation.
- Ensure the escalator halts immediately and safely.
- Check for any abnormal sounds or delays.
- Reset the system after the test.
- Listen for grinding, squeaking, or rattling noises.
- Feel for excessive vibrations on the handrails.
- Note any irregularities for further inspection.
- Ensure all components are securely in place.
- Observe the handrails during operation.
- Ensure they move at the same speed as the steps.
- Check for any misalignment or delays.
- Report any issues immediately.
- Test each safety device individually.
- Ensure they activate promptly when engaged.
- Inspect sensors for any obstructions or malfunctions.
- Confirm all devices are functioning as intended.
- Inspect the lights for brightness and clarity.
- Check for any burned-out bulbs or flickering.
- Ensure lights are visible from various angles.
- Replace any faulty lights immediately.
- Open and close barriers to check responsiveness.
- Ensure barriers align correctly with the escalator.
- Monitor for any delays or sticking.
- Verify that safety sensors are functional.
- Visually inspect the escalator's alignment.
- Use a level to check the track positioning.
- Ensure there are no gaps between steps and track.
- Document any misalignments for correction.
- Test each control input while the escalator is running.
- Confirm immediate response to start and stop commands.
- Check direction changes for smooth transitions.
- Document any delays or failures.
- Simulate a power failure to activate the backup.
- Ensure the escalator continues to operate seamlessly.
- Check battery charge levels and replace if low.
- Document the battery's performance during testing.
- Observe passenger reactions during operation.
- Check for smoothness in acceleration and deceleration.
- Listen for any complaints or feedback.
- Report any issues affecting ride comfort.
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