A detailed Crawler Crane DAILY preventive maintenance checklists

1. Safety Inspection

2. Visual Inspection

3. Fluid Levels

4. Component Checks

  • Engage the main hoist and auxiliary winch separately.
  • Observe for smooth operation and unusual noises.
  • Check load indicators for accuracy.
  • Lower and raise loads to ensure full range of motion.
  • Inspect for any cable wear during operation.
  • Examine the hook for cracks, deformation, or excessive wear.
  • Test the safety latch for proper functionality.
  • Ensure the hook swivel moves freely without obstruction.
  • Check for proper lubrication of moving parts.
  • Confirm that hook ratings match the crane specifications.
  • Rotate the crane to check for smooth slew motion.
  • Listen for grinding or unusual sounds during operation.
  • Inspect for any visible signs of wear or damage.
  • Verify proper lubrication of the slew ring.
  • Ensure no obstructions are present in the slew area.
  • Engage each lever and pedal to ensure responsiveness.
  • Check for any sticking or resistance during operation.
  • Inspect the connections for wear or damage.
  • Ensure all controls return to neutral position.
  • Lubricate pivot points if necessary.
  • Extend and retract each outrigger fully.
  • Check for smooth operation without binding.
  • Inspect for any leaks in hydraulic lines.
  • Ensure outriggers are securely locked in place.
  • Confirm that indicators show correct extension status.
  • Check for visible frays and broken strands.
  • Inspect for kinks and twists along the length.
  • Look for signs of corrosion or excessive wear.
  • Ensure proper lubrication of the wire rope.
  • Verify that the rope is properly spooled on the drum.
  • Test each limit switch by engaging the hoist and boom.
  • Listen for audible clicks indicating activation.
  • Inspect for damage or misalignment of switches.
  • Ensure switches cut power at the limits.
  • Verify that reset mechanisms function properly.
  • Inspect the entire length of the boom visually.
  • Check for surface cracks or paint flaking.
  • Look for signs of bending or deformation.
  • Assess for any signs of excessive wear at pivot points.
  • Ensure boom connections are secure.
  • Engage all hydraulic functions and observe operation.
  • Check for leaks at hoses, fittings, and cylinders.
  • Ensure smooth operation without lag or hesitation.
  • Verify fluid levels are within acceptable ranges.
  • Listen for unusual sounds indicating issues.
  • Check the counterweights for physical damage or cracks.
  • Ensure all fastening bolts are tight and secure.
  • Inspect for rust or corrosion on counterweights.
  • Verify that counterweights are correctly positioned.
  • Confirm that no additional weights are improperly added.
  • Test the emergency stop button to ensure activation.
  • Check that all systems cease operation immediately.
  • Inspect wiring and connections for damage.
  • Ensure the emergency stop is easily accessible.
  • Confirm that the system resets properly after activation.
  • Inspect all visible bolts for tightness and wear.
  • Use a torque wrench to verify specifications.
  • Look for any signs of corrosion or damage.
  • Ensure no bolts are missing or stripped.
  • Check connections for structural integrity.
  • Check for visible wear on tires or tracks.
  • Ensure proper inflation levels for tires.
  • Inspect tracks for tension and alignment.
  • Look for cracks or foreign objects embedded.
  • Confirm that all tires/tracks are securely mounted.
  • Test the anti-two-block system during operation.
  • Check for proper functioning and engagement.
  • Inspect wiring and switches for damage.
  • Ensure system alerts the operator effectively.
  • Verify that it prevents two-blocking incidents.
  • Check that all gauges read accurately.
  • Test indicators for responsiveness and clarity.
  • Ensure lights are functioning and visible.
  • Inspect wiring for any loose connections.
  • Confirm that all controls are accessible and operational.
  • Inspect safety guards for damage or wear.
  • Ensure all screws and fasteners are tight.
  • Check for proper alignment and fit.
  • Verify that no guards are missing.
  • Confirm that covers protect moving parts adequately.

5. Electrical System

6. Documentation

7. End-of-Day Procedures

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