A detailed Escalator SEMI ANNUAL preventive maintenance checklists
Safety Checks
Visual Inspections
- Assess the escalator's exterior for scratches or dents.
- Check for any loose or missing panels.
- Inspect the base for signs of structural issues.
- Look for any abnormal sounds during operation.
- Examine each step for surface damage.
- Check for irregularities in step height.
- Ensure the step edges are not excessively worn.
- Look for any foreign materials stuck in the steps.
- Ensure comb plates are flush with the steps.
- Look for any gaps between comb plates and steps.
- Inspect for cracks or chips in comb plates.
- Check for debris accumulation around comb plates.
- Inspect all visible metal surfaces for rust spots.
- Check connections and fasteners for corrosion.
- Look for color changes indicative of rust.
- Ensure that protective coatings are intact.
- Check for dirt, dust, or debris accumulation.
- Ensure handrails are clean and free of grime.
- Inspect the area around the escalator for hazards.
- Verify that waste bins are not overflowing.
- Check handrails for any visible tears or cuts.
- Look for signs of fraying along edges.
- Ensure handrails are securely attached at both ends.
- Check for smooth operation without catching.
- Test each emergency stop button for functionality.
- Ensure signage is clear and visible.
- Inspect wiring for any signs of wear.
- Verify that buttons are easily accessible.
- Inspect skirt panels for proper alignment with steps.
- Check for any visible gaps that could trap items.
- Ensure all panels are securely fastened.
- Look for any damage that could affect safety.
- Inspect the pit for any foreign objects.
- Check for dirt accumulation on steps.
- Ensure that drainage areas are clear.
- Look for signs of pests or infestation.
- Check belts for fraying or cracks.
- Inspect chains for rust or wear.
- Look for signs of oil or grease leakage.
- Ensure all components are properly lubricated.
- Inspect brushes for bristle wear or loss.
- Check for proper positioning against steps.
- Ensure brushes are securely attached.
- Look for debris caught in or around brushes.
- Inspect side panels for visible dents or scratches.
- Check for any loose or missing fasteners.
- Ensure panels are securely attached.
- Look for any signs of paint damage.
- Test all lights for proper operation.
- Check for burnt out bulbs and replace as needed.
- Inspect light covers for dirt or damage.
- Ensure lighting is adequate for visibility.
- Inspect the shaft for any water stains or pooling.
- Check for rust on metal components due to moisture.
- Look for signs of mold or mildew.
- Ensure drainage systems are functioning properly.
- Check all labels for legibility and clarity.
- Ensure there are no missing or damaged signs.
- Verify that safety instructions are up to date.
- Look for any obstructions blocking visibility.
Mechanical Components
- Listen for abnormal sounds during operation.
- Check for vibrations indicating misalignment.
- Verify electrical connections are secure.
- Ensure motor is free of dust and debris.
- Measure temperature to avoid overheating.
- Inspect seals for fluid leakage.
- Examine gears for signs of chipping or wear.
- Check lubrication levels and top off if low.
- Ensure gearbox casing is intact.
- Listen for unusual noises during operation.
- Check for proper tension using a tension gauge.
- Inspect chains for rust or corrosion.
- Look for elongation or deformation of links.
- Lubricate chains as per manufacturer's guidelines.
- Ensure alignment with sprockets.
- Use an inclinometer to measure the angle.
- Compare measurements with manufacturer specifications.
- Adjust incline if necessary for compliance.
- Inspect the base for level installation.
- Ensure no obstructions affect incline.
- Identify all lubrication points.
- Use recommended lubricants for each component.
- Apply lubricant evenly without over-saturating.
- Remove excess lubricant to prevent buildup.
- Check lubrication schedule and adhere to it.
- Check for cracks or chips on each step.
- Evaluate the surface for excessive wear.
- Ensure that steps are securely attached.
- Look for debris that may cause slipping.
- Verify that demarcation lines are clearly visible.
- Inspect comb plates for gaps with steps.
- Ensure comb plates are flush with the escalator.
- Check all fasteners for tightness.
- Look for signs of wear or damage.
- Adjust alignment as necessary.
- Test each light for functionality.
- Replace any burnt-out bulbs immediately.
- Check for proper brightness.
- Inspect wiring for damage or corrosion.
- Ensure lights are clean and unobstructed.
- Check for fraying or cuts in the material.
- Ensure handrails move smoothly without sticking.
- Inspect support brackets for tightness.
- Clean handrails to remove dirt and debris.
- Test for proper tension and alignment.
- Use a tension gauge to check tension.
- Inspect for rust or wear on chain links.
- Lubricate according to manufacturer's specifications.
- Ensure proper alignment with drive sprockets.
- Replace chain if excessively worn.
- Test brakes by activating the emergency stop.
- Inspect brake pads for wear and tear.
- Ensure brakes engage smoothly and fully.
- Check for any unusual noises during operation.
- Verify that all components are secure.
- Check the transition zones for any obstructions.
- Ensure that the escalator aligns with adjacent surfaces.
- Look for gaps that could pose a safety hazard.
- Verify that all components are securely fastened.
- Inspect for signs of wear in transition areas.
- Activate the emergency stop button.
- Verify that the escalator comes to a complete stop.
- Check for any delays in response.
- Inspect wiring and connections for integrity.
- Ensure the mechanism resets properly.
- Verify torque settings using a torque wrench.
- Inspect all accessible fasteners for tightness.
- Identify any loose or missing fasteners.
- Replace any damaged fasteners as needed.
- Document any adjustments made.
- Examine all visible supports for rust or corrosion.
- Check for any cracks or deformation in brackets.
- Ensure that all mounting hardware is secure.
- Look for signs of excessive wear or fatigue.
- Document any findings for maintenance records.
Electrical Systems
- Examine insulation for wear and tear.
- Check for exposed wires or connections.
- Look for signs of overheating or burns.
- Ensure all wiring is securely fastened.
- Document any issues found.
- Use a torque wrench to check connection tightness.
- Inspect for corrosion on terminals.
- Clean any corroded connections with a suitable cleaner.
- Re-torque connections if necessary.
- Log results of the inspection.
- Power on the control panel and observe displays.
- Refer to the manual for error codes.
- Reset any non-critical errors if applicable.
- Inspect for physical damage or loose connections.
- Record any persistent issues.
- Test sensor response with manual activation.
- Check calibration against manufacturer specifications.
- Clean sensor lenses to ensure accuracy.
- Secure any loose sensor mounts.
- Document calibration results.
- Manually test each circuit breaker to ensure it trips.
- Inspect for signs of wear or damage.
- Confirm that breakers are properly labeled.
- Ensure accessibility for emergency shutoff.
- Log the operational status of each breaker.
- Check fuse holders for corrosion or damage.
- Replace any blown fuses with appropriate ratings.
- Examine fuses for physical integrity.
- Ensure correct fuse type is used.
- Note any replacements made.
- Test the button to ensure it activates the stop function.
- Inspect for physical damage or obstructions.
- Confirm that the button is easily accessible.
- Document any issues or repairs needed.
- Verify reset function works after activation.
- Turn on the escalator and observe all lights.
- Check for burnt-out bulbs and replace as needed.
- Test emergency lighting activation during a power outage.
- Ensure all lights comply with safety regulations.
- Log the condition of all lighting systems.
- Listen for unusual noises during operation.
- Check motor temperature for overheating.
- Inspect electrical connections for wear or corrosion.
- Test motor performance against specifications.
- Document any irregularities or maintenance performed.
- Test communication between control panel and sensors.
- Inspect wiring for damage or loose connections.
- Verify signal strength and quality.
- Check for software updates if applicable.
- Record any communication issues found.
- Test backup power source under load conditions.
- Inspect connections for wear and corrosion.
- Check battery condition and replace if necessary.
- Confirm automatic switch-over works correctly.
- Log the operational status of backup systems.
- Use an infrared thermometer to check temperatures.
- Inspect components for discoloration or burns.
- Examine ventilation for blockages.
- Ensure cooling fans are operational.
- Document any overheating issues found.
- Inspect grounding rods and connections for integrity.
- Test grounding resistance using a multimeter.
- Ensure grounding paths are clear of obstructions.
- Check compliance with local electrical codes.
- Log grounding status and any maintenance performed.
- Manually activate safety circuits to ensure functionality.
- Inspect interlock mechanisms for wear or damage.
- Verify that all safety features engage correctly.
- Document any faults or repairs needed.
- Ensure compliance with safety standards.
- Compare existing schematics to current configurations.
- Make necessary updates and corrections.
- Ensure all changes are documented and approved.
- Store updated schematics in an accessible location.
- Communicate changes to relevant personnel.
Functional Testing
- Engage the escalator and observe its operation.
- Execute at least five complete cycles.
- Listen for any irregular sounds during operation.
- Check for jerky movements or stalling.
- Record any anomalies for further inspection.
- Measure the speed using a calibrated speedometer.
- Compare the reading with manufacturer's specifications.
- Ensure speed is consistent throughout operation.
- Note any deviations and take corrective action.
- Document results in the maintenance log.
- Observe the stopping performance at each landing.
- Ensure there is no abrupt halt or overshooting.
- Check for alignment with the landing surface.
- Test stopping at various speeds.
- Report any issues for servicing.
- Observe handrail movement during operation.
- Ensure handrails match the speed of the steps.
- Look for any lag or misalignment.
- Test handrails at different speeds.
- Document any discrepancies found.
- Check all safety features are operational.
- Test emergency stop and obstruction sensors.
- Verify that safety signage is clear and visible.
- Conduct a full safety systems check.
- Report any deficiencies immediately.
- Listen carefully during operation cycles.
- Identify and document any strange sounds.
- Investigate sources of identified noises.
- Check for loose components or wear.
- Schedule repairs as necessary.
- Press the emergency stop button while operating.
- Verify immediate cessation of movement.
- Ensure no delay in stopping occurs.
- Reset the system and confirm normal operation.
- Document the button's condition and functionality.
- Engage the escalator and monitor braking response.
- Apply brakes at various speeds.
- Ensure smooth engagement and release of brakes.
- Check for any unusual resistance or noise.
- Document any findings for service records.
- Inspect lights for brightness and clarity.
- Test illumination during operation.
- Check for any burned-out bulbs.
- Ensure visibility from a distance.
- Replace any non-functional lights.
- Inspect all signage for wear and tear.
- Ensure text is readable and not faded.
- Check for proper placement and visibility.
- Replace any damaged or illegible signs.
- Document the condition of signage.
- Test sensors by simulating obstructions.
- Ensure the escalator stops immediately.
- Check for false positives or negatives.
- Verify sensor calibration and alignment.
- Record sensor performance results.
- Simulate a power failure to activate emergency power.
- Observe escalator operation under emergency power.
- Check for any performance issues.
- Verify that all safety features function.
- Document the emergency power test results.
- Inspect the control panel for error indicators.
- Test all buttons and switches for responsiveness.
- Verify that all display messages are clear.
- Check for any malfunctioning indicators.
- Document any issues found.
- Test the emergency alarm by activating it.
- Ensure the alarm sounds clearly and audibly.
- Check that the alarm can be silenced properly.
- Assess the alarm's visibility and signage.
- Document the test results.
- Measure the incline angle with a level tool.
- Verify height against manufacturer specifications.
- Check for compliance with safety regulations.
- Document any deviations for review.
- Schedule adjustments if necessary.
Use in Manifestly