OVER HEAD CRANES

1. PRE-OPERATIONAL CHECKS

  • Examine structural components for cracks or dents.
  • Check for rust or corrosion on metal parts.
  • Look for any loose bolts or missing hardware.
  • Inspect the hoist and trolley for proper alignment.
  • Test limit switches to ensure they stop movement.
  • Verify that safety interlocks engage correctly.
  • Inspect emergency stop devices for accessibility.
  • Confirm operational status of any warning systems.
  • Look for faded or damaged labels and signs.
  • Ensure all safety instructions are in place.
  • Check that labels are positioned for visibility.
  • Replace any missing or unclear signage immediately.
  • Check that the load rating is visible on the crane.
  • Ensure the load does not exceed the marked capacity.
  • Review the load chart for accurate measurements.
  • Confirm operator understanding of load limits.
  • Inspect the workspace for any obstructions.
  • Ensure no personnel are within the swing radius.
  • Establish a safe zone around the crane.
  • Communicate with personnel to maintain clearance.
  • Inspect power cables for fraying or damage.
  • Ensure connections are secure and free of debris.
  • Test the power source for proper voltage.
  • Verify that circuit breakers are in good condition.
  • Test all crane controls for responsiveness.
  • Check remote control batteries and functionality.
  • Inspect control panels for wear or damage.
  • Confirm proper operation of all toggle switches.
  • Press each emergency stop button to check response.
  • Verify that all stops engage and release properly.
  • Test the emergency stop function from various locations.
  • Document any failures for immediate repair.
  • Operate the hoist through its full range.
  • Listen for unusual sounds indicating issues.
  • Check for smooth movement without resistance.
  • Inspect cables for fraying or wear during operation.
  • Load the crane to its rated capacity.
  • Test the brakes by lifting and lowering the load.
  • Ensure brakes hold the load securely without slipping.
  • Document any issues and address them before operation.
  • Inspect wheels and tracks for wear or damage.
  • Ensure all moving parts are properly lubricated.
  • Look for debris that may obstruct movement.
  • Clean and apply lubricant as needed.
  • Examine wiring for fraying or exposed conductors.
  • Check connectors for corrosion or loose connections.
  • Ensure all electrical components are secured.
  • Document any issues for repair or replacement.
  • Check operator certifications and training records.
  • Ensure operator understands crane operations and safety.
  • Confirm compliance with local regulations and standards.
  • Reinforce the importance of ongoing training.
  • Inspect the fire extinguisher for proper charge.
  • Check that it is located within easy reach.
  • Ensure the extinguisher is mounted securely.
  • Review fire safety procedures with all personnel.
  • Provide the load chart for operator review.
  • Discuss load capacity and range limitations.
  • Ensure operator understands how to read the chart.
  • Reiterate the importance of adhering to load limits.

2. HOOK AND SLING INSPECTION

3. MECHANICAL COMPONENTS

  • Inspect for fraying, broken strands, or kinks.
  • Look for corrosion or rust on the surface.
  • Ensure that the wire rope or chain is properly lubricated.
  • Check for any signs of excessive wear at termination points.
  • Observe for any visible cracks or damage.
  • Rotate sheaves and rollers to check for binding.
  • Lubricate bearings as needed to ensure smooth movement.
  • Replace any worn or damaged components immediately.
  • Listen for unusual sounds indicating mechanical failure.
  • Check motor mounts for tightness and stability.
  • Inspect gears for wear or misalignment.
  • Verify proper operation under load conditions.
  • Test brake function by engaging and releasing.
  • Inspect brake pads for wear and replace if necessary.
  • Check hydraulic or pneumatic systems for leaks.
  • Ensure that brake controls are functioning smoothly.

4. OPERATIONAL TESTING

5. POST-OPERATIONAL CHECKS

6. MAINTENANCE LOG