A detailed Escalator QUARTERLY preventive maintenance checklists
1. Visual Inspection
2. Mechanical Components
- Use appropriate lubricant for chains and bearings.
- Check for signs of wear or damage.
- Clean excess grease or dirt before lubrication.
- Ensure even application of lubricant along the chain.
- Measure the tension using a tension gauge.
- Adjust belt tension according to manufacturer specifications.
- Inspect for signs of wear or fraying.
- Ensure proper alignment with pulleys.
- Inspect all seals and gaskets for leaks.
- Check fluid levels against manufacturer recommendations.
- Replace any low or contaminated oil.
- Ensure gearbox housing is free from debris.
- Listen for grinding or rattling sounds.
- Check for vibrations during operation.
- Inspect motor mounts for stability.
- Ensure electrical connections are secure.
- Perform a visual inspection of all bolts and screws.
- Tighten any loose components.
- Look for signs of rust or corrosion.
- Replace any damaged parts immediately.
- Use appropriate lubricant for chains and bearings.
- Check for signs of wear or damage.
- Clean excess grease or dirt before lubrication.
- Ensure even application of lubricant along the chain.
- Measure the tension using a tension gauge.
- Adjust belt tension according to manufacturer specifications.
- Inspect for signs of wear or fraying.
- Ensure proper alignment with pulleys.
- Inspect all seals and gaskets for leaks.
- Check fluid levels against manufacturer recommendations.
- Replace any low or contaminated oil.
- Ensure gearbox housing is free from debris.
- Listen for grinding or rattling sounds.
- Check for vibrations during operation.
- Inspect motor mounts for stability.
- Ensure electrical connections are secure.
- Perform a visual inspection of all bolts and screws.
- Tighten any loose components.
- Look for signs of rust or corrosion.
- Replace any damaged parts immediately.
- Inspect for alignment issues or gaps.
- Check for signs of wear on steps.
- Ensure comb plates are securely attached.
- Clean debris from the comb plate area.
- Check each step roller for wear and functionality.
- Replace any roller showing significant wear.
- Lubricate new rollers before installation.
- Ensure proper alignment during replacement.
- Test handrails for smooth operation.
- Inspect for fraying or damage.
- Ensure handrails are securely fastened.
- Clean handrails to maintain grip safety.
- Inspect pulleys for cracks or wear.
- Check sheaves for alignment and lubrication.
- Look for debris build-up around the drive system.
- Replace any damaged components immediately.
- Test the switch functionality during operation.
- Check for proper labeling and accessibility.
- Inspect wiring for damage.
- Ensure switch returns to the reset position.
- Look for rust or structural weaknesses.
- Inspect welds and joints for integrity.
- Ensure that supports are plumb and level.
- Report any concerns to maintenance management.
- Inspect skirting for tears or significant wear.
- Check for gaps that could cause entrapment.
- Replace any skirting that does not meet safety standards.
- Ensure new skirting is securely attached.
- Run the escalator and check step alignment at landings.
- Adjust leveling mechanisms as per manufacturer guidelines.
- Inspect for any obstructions affecting leveling.
- Document any adjustments made.
- Test the brakes under various load conditions.
- Check for wear on brake pads and components.
- Inspect hydraulic or pneumatic systems for leaks.
- Ensure brake release mechanisms function correctly.
- Inspect all dampers for physical integrity.
- Check isolation mounts for deterioration.
- Test dampers for proper functionality.
- Replace any visibly worn or damaged components.
- Inspect access panels for secure closure.
- Remove any debris or obstructions.
- Check seals for wear or gaps.
- Document any missing or damaged panels.
Use in Manifestly