A detailed ELECTRIC HOIST DAILY preventive maintenance checklists
1. Visual Inspection
2. Operational Checks
- Engage the hoist and lift to maximum height.
- Lower the hoist slowly to the ground.
- Listen for any unusual sounds during operation.
- Check for smoothness in movement throughout the cycle.
- Press each button and observe functionality.
- Check if all switches respond promptly.
- Ensure no buttons are sticky or unresponsive.
- Test emergency and directional controls.
- Activate the hoist and then engage the emergency stop.
- Observe if the hoist stops immediately.
- Reset the emergency stop and check for normal function.
- Ensure the stop button is easily accessible.
- Attach a load below the limit switch rating.
- Lift the load and observe if it stops at the limit.
- Test with varying weights to confirm reliability.
- Check for any misalignment with the switch.
- Use different weights up to the hoist's limit.
- Lift and lower each load, observing stability.
- Note any deviations from expected performance.
- Confirm no strain or unusual operation occurs.
- Run the hoist through a full cycle.
- Watch for any abrupt movements or stops.
- Take note of any irregularities in operation.
- Ensure smooth transitions during lifting and lowering.
- Visually inspect alignment before each lift.
- Ensure the load is centered on the hook.
- Adjust as necessary to maintain balance.
- Monitor alignment during operation for consistency.
- Measure speed using a stopwatch during lifting.
- Compare results with manufacturer specifications.
- Observe for any delays or excessive speed.
- Ensure speed is consistent across different loads.
- Touch the hoist motor and gearbox during operation.
- Look for discoloration or unusual odors.
- Check for any warning lights or indicators.
- Allow the hoist to cool if overheating is detected.
- Simulate a power failure and engage manual override.
- Lift and lower a load using the manual controls.
- Evaluate ease of use and responsiveness.
- Ensure no obstructions hinder manual operation.
- Activate the hoist and approach limit switch points.
- Confirm that the hoist stops before over-travel.
- Test both upper and lower limit switches.
- Check that they reset correctly after activation.
- Lift a load and apply the brake.
- Confirm the load remains stationary.
- Release the brake and observe smooth descent.
- Check for any signs of slippage or delay.
- Use a multimeter to check voltage during operation.
- Watch for unexpected drops or surges in power.
- Document any irregularities for further inspection.
- Ensure connections are secure and free of corrosion.
- Check all indicator lights during operation.
- Test alarms and safety signals for responsiveness.
- Ensure all visual indicators are clear and visible.
- Replace any non-functional lights or indicators.
3. Electrical System Inspection
- Look for fraying, cuts, or abrasions.
- Check for exposure of wires.
- Ensure all cables are securely fastened.
- Assess cable routing for potential pinch points.
- Inspect terminals for loose connections.
- Look for rust or green corrosion on connectors.
- Use a torque wrench to verify tightness.
- Clean any corroded areas with appropriate solutions.
- Wipe down surfaces with a dry cloth.
- Use a vacuum to remove dust buildup.
- Check for any signs of moisture or water damage.
- Ensure labels and indicators are legible.
- Test each light by activating the associated function.
- Replace any burnt-out bulbs immediately.
- Check the wiring to each indicator light.
- Document any non-functioning lights for repair.
- Look for fraying, cuts, or abrasions.
- Check for exposure of wires.
- Ensure all cables are securely fastened.
- Assess cable routing for potential pinch points.
- Inspect terminals for loose connections.
- Look for rust or green corrosion on connectors.
- Use a torque wrench to verify tightness.
- Clean any corroded areas with appropriate solutions.
- Wipe down surfaces with a dry cloth.
- Use a vacuum to remove dust buildup.
- Check for any signs of moisture or water damage.
- Ensure labels and indicators are legible.
- Test each light by activating the associated function.
- Replace any burnt-out bulbs immediately.
- Check the wiring to each indicator light.
- Document any non-functioning lights for repair.
4. Lubrication Check
- Check joints, chains, and other moving components.
- Look for signs of wear or dryness.
- Listen for unusual noises indicating insufficient lubrication.
- Ensure all parts are operating smoothly.
- Use the appropriate lubricant for each component.
- Apply lubricant evenly to prevent over-application.
- Follow manufacturer guidelines for quantity and method.
- Rotate parts to distribute lubricant effectively.
- Inspect lubrication points for dirt or debris.
- Remove excess grease with a clean cloth.
- Ensure lubrication points are free from obstructions.
- Verify that seals are intact and functioning.
- Refer to the manufacturer's specifications.
- Check labeling on lubricant containers.
- Ensure compatibility with materials of moving parts.
- Avoid mixing different types of lubricants.
- Look for cracks, kinks, or leaks in lines.
- Check fittings for secure connections.
- Replace damaged lines or fittings immediately.
- Ensure that lines are properly routed and supported.
- Check reservoir levels against manufacturer guidelines.
- Top off reservoirs if low, using the correct lubricant.
- Inspect for signs of contamination in reservoirs.
- Monitor levels regularly during maintenance checks.
- Inspect surrounding areas for oil or grease stains.
- Look for pooling lubricant underneath components.
- Ensure seals are intact and not worn.
- Address leaks immediately to prevent component damage.
- Use a clean cloth to check lubricant texture.
- Look for discoloration or particulate matter.
- Perform a visual inspection for any separation.
- Replace contaminated lubricant promptly.
- Check for any physical barriers to access.
- Ensure tools can reach all lubrication points.
- Reorganize components if needed to improve access.
- Mark inaccessible points for future adjustments.
- Maintain a logbook or digital record.
- Include details such as type, quantity, and application points.
- Review records regularly for maintenance insights.
- Share records with maintenance personnel.
- Consult the maintenance manual for schedule.
- Set reminders for upcoming lubrication tasks.
- Adjust schedules based on operating conditions.
- Document any deviations from the schedule.
- Check that timers and sensors are functioning correctly.
- Ensure that lubrication is being distributed evenly.
- Look for signs of blockages in delivery lines.
- Test the system periodically to confirm operation.
- Wear appropriate personal protective equipment (PPE).
- Use drip pans or absorbent materials to catch spills.
- Follow safety data sheets (SDS) for lubricants.
- Train personnel on safe handling procedures.
5. Load and Safety Equipment Inspection
- Check the hoist's specification plate for load rating.
- Compare the load rating with the weight of the item being lifted.
- Ensure that the hoist's capacity exceeds the load weight.
- Examine slings for fraying, cuts, or excessive wear.
- Check chains for elongation, corrosion, or damaged links.
- Ensure all accessories are free of rust and properly maintained.
- Test limit switches by operating the hoist through its full range.
- Check overload protection devices for proper functionality.
- Inspect warning indicators and alarms for proper operation.
- Check the hoist's specification plate for load rating.
- Compare the load rating with the weight of the item being lifted.
- Ensure that the hoist's capacity exceeds the load weight.
- Examine slings for fraying, cuts, or excessive wear.
- Check chains for elongation, corrosion, or damaged links.
- Ensure all accessories are free of rust and properly maintained.
- Test limit switches by operating the hoist through its full range.
- Check overload protection devices for proper functionality.
- Inspect warning indicators and alarms for proper operation.
- Inspect hooks for any visible deformations or cracks.
- Ensure the latch mechanism operates smoothly.
- Confirm that hooks are rated for the load they will carry.
- Examine drums for grooves or excessive wear.
- Inspect sheaves for cracks or misalignment.
- Ensure all load-bearing components are lubricated and functioning properly.
- Check tags for certification dates and load ratings.
- Verify compliance with local safety regulations.
- Remove any accessories that are not properly tagged.
- Activate the hoist and engage the emergency stop.
- Confirm that the hoist stops immediately.
- Reset the emergency stop and ensure normal operation resumes.
- Inspect the hoist installation for levelness.
- Ensure all mounting brackets are secure and aligned.
- Check for any signs of misalignment during operation.
- Obtain the latest load capacity chart for the hoist.
- Cross-reference the current load with the chart.
- Ensure that the load does not exceed the specified limits.
- Examine power cables for insulation damage or fraying.
- Check connections for corrosion or loose fittings.
- Ensure that all electrical components are securely fastened.
- Inspect guards for any damage or loose fittings.
- Confirm that all covers are correctly positioned.
- Replace any missing or damaged protective components.
- Review training records for personnel involved in hoisting.
- Conduct a brief safety meeting to reinforce protocols.
- Ensure all personnel can demonstrate understanding of procedures.
- Use a maintenance log to record all findings.
- Include details of the location and nature of defects.
- Schedule a follow-up inspection to address documented issues.
Use in Manifestly