A detailed ELECTRIC HOIST MONTHLY preventive maintenance checklists
General Inspection
Electrical Components
Mechanical Components
- Inspect links for wear or elongation.
- Check for visible kinks or twists.
- Ensure lubrication is adequate.
- Look for rust or corrosion.
- Replace if any damage is found.
- Check hook opening for widening.
- Look for cracks or deformation.
- Examine latch for proper operation.
- Ensure safety latch is functioning.
- Replace if any defects are detected.
- Test brake engagement and release.
- Inspect brake pads for wear.
- Check for fluid leaks in hydraulic systems.
- Ensure brake components are clean.
- Replace worn or damaged parts.
- Check gears for proper engagement.
- Look for wear on lifting components.
- Ensure lubrication is sufficient.
- Examine for any unusual noises.
- Address any identified issues promptly.
- Verify vertical and horizontal alignment.
- Adjust if misaligned to prevent strain.
- Inspect mounting brackets for stability.
- Ensure no obstructions near the hoist.
- Test operation after alignment adjustments.
- Inspect for grooves or wear marks.
- Check for cracks or surface damage.
- Ensure proper lubrication is applied.
- Look for debris that may cause friction.
- Replace if any issues are found.
- Inspect for rust or corrosion spots.
- Check for cracks in the housing.
- Ensure mounting brackets are secure.
- Clean any dirt or debris buildup.
- Repair or replace corroded components.
- Check each fastener for tightness.
- Inspect for rust or corrosion.
- Ensure no fasteners are missing.
- Replace any damaged hardware.
- Retighten as necessary before operation.
- Test switch operation at limits.
- Check for proper alignment with hoist.
- Inspect wiring for wear or damage.
- Ensure switches are clean and free from debris.
- Replace defective switches immediately.
- Listen for grinding or squeaking sounds.
- Identify the source of any unusual noises.
- Inspect affected components closely.
- Lubricate parts if necessary.
- Address any issues before continued use.
- Check load distribution on the hook.
- Ensure the load is within capacity limits.
- Adjust load placement if necessary.
- Inspect slings and attachments for integrity.
- Confirm balance before operation.
- Inspect hoses and connections for leaks.
- Check fluid levels in reservoirs.
- Look for wet spots or drips.
- Ensure all seals are intact.
- Repair any leaks found immediately.
- Activate the emergency stop during operation.
- Ensure the hoist stops promptly.
- Check for any delay in response.
- Inspect wiring and connections for issues.
- Reset and test again if necessary.
- Inspect wiring for frays or damage.
- Check connections for corrosion.
- Ensure power source is stable.
- Test circuit breakers for proper function.
- Replace any faulty components.
Control Systems
- Operate pendant control in all directions.
- Switch to remote control and test functionality.
- Ensure responsiveness and accuracy of controls.
- Check for any physical damage or wear.
- Manually activate limit switches to test response.
- Check alignment to ensure they engage correctly.
- Verify the return to normal state after activation.
- Look for any signs of physical damage.
- Remove any dust, dirt, or foreign objects.
- Use a soft cloth and appropriate cleaner.
- Check for loose panels or covers.
- Inspect for signs of moisture or corrosion.
- Test each emergency stop button for responsiveness.
- Check that the system stops immediately upon activation.
- Ensure buttons return to normal state after use.
- Inspect for any physical damage or wear.
- Simulate overload conditions to test device response.
- Ensure it activates and stops hoist operation.
- Check reset functionality after activation.
- Look for signs of wear or damage.
- Use calibration weights to test accuracy.
- Adjust settings to ensure correct readings.
- Document calibration results for records.
- Inspect for any signs of damage.
- Activate each function and observe indicator lights.
- Replace any non-functional bulbs immediately.
- Check for consistent brightness and response.
- Inspect wiring connections for issues.
- Examine all visible wiring for insulation damage.
- Check connectors for tightness and corrosion.
- Look for frayed wires or exposed conductors.
- Ensure all connections are clean and secure.
- Engage safety interlocks and verify hoist operation stops.
- Disengage and check for normal operation.
- Inspect for any physical damage.
- Ensure they function smoothly without sticking.
- Check manufacturer’s website for updates.
- Download and install any available updates.
- Document the version and update date.
- Verify system functionality after updates.
- Test each auxiliary control for proper response.
- Check for smooth operation without sticking.
- Inspect for physical wear or damage.
- Ensure all settings are adjustable and functional.
- Check for error codes on the control panel.
- Test communication by operating the hoist.
- Inspect connections between the control panel and motor.
- Look for loose connections or damaged wires.
- Record all observations in a maintenance log.
- Include details such as date, time, and specific issues.
- Prioritize issues based on severity.
- Schedule follow-up inspections or repairs as needed.
Use in Manifestly