A detailed Crawler Crane WEEKLY preventive maintenance checklists
1. Safety Checks
2. Fluid Levels
3. Structural Inspection
- Look for visible cracks or deformation.
- Check welds and joints for integrity.
- Inspect paint for bubbling or peeling.
- Use a magnifying glass for small cracks.
- Inspect for bent or twisted sections.
- Look for rust or corrosion spots.
- Check all mounting points for stability.
- Verify that no components are loose.
- Ensure all bolts are tight and secure.
- Check for signs of movement or shifting.
- Inspect for any cracks or damage.
- Verify weight specifications are met.
- Check for bending or deformation.
- Inspect hydraulic lines for leaks.
- Ensure pads are intact and stable.
- Verify all locking mechanisms function.
- Look for visible cracks or deformation.
- Check welds and joints for integrity.
- Inspect paint for bubbling or peeling.
- Use a magnifying glass for small cracks.
- Inspect for bent or twisted sections.
- Look for rust or corrosion spots.
- Check all mounting points for stability.
- Verify that no components are loose.
- Ensure all bolts are tight and secure.
- Check for signs of movement or shifting.
- Inspect for any cracks or damage.
- Verify weight specifications are met.
- Check for bending or deformation.
- Inspect hydraulic lines for leaks.
- Ensure pads are intact and stable.
- Verify all locking mechanisms function.
- Examine for excessive wear or scoring.
- Ensure pins rotate freely without binding.
- Check lubrication levels and replenish as needed.
- Inspect for rust or corrosion.
- Look for cracks or deformation.
- Check for signs of uneven wear.
- Ensure lubrication is adequate.
- Test for smooth operation during slewing.
- Inspect rods for any visible damage.
- Check for leaks around seals.
- Ensure rods operate smoothly without resistance.
- Clean rods to remove any debris.
- Check for loose rungs or steps.
- Inspect for rust or wear on surfaces.
- Ensure all railings are secure.
- Verify platform load ratings are followed.
- Inspect welds visually for cracks.
- Look for discoloration or abnormal shapes.
- Tap welds to check for hollow sounds.
- Ensure welds comply with specifications.
- Check bolts and nuts for tightness.
- Inspect for wear around connection areas.
- Look for signs of rust or corrosion.
- Ensure there is no excessive movement.
- Test the mechanism for smooth operation.
- Inspect for wear on moving parts.
- Check hydraulic fluid levels.
- Ensure all safety features are operational.
- Examine sheaves for grooves or cracks.
- Check wire ropes for fraying or broken strands.
- Ensure lubrication is applied as needed.
- Test for proper tension and alignment.
- Verify all components align correctly.
- Look for signs of uneven wear.
- Ensure that no components are misaligned.
- Test functionality after adjustments.
- Check that all guards are in place.
- Test safety devices for proper operation.
- Inspect for signs of wear or damage.
- Ensure warnings and labels are visible.
4. Mechanical Component Checks
- Look for visible signs of fraying.
- Check for broken strands or kinks.
- Examine the entire length of the rope.
- Ensure proper termination and connections.
- Inspect hooks for cracks or deformation.
- Test latches for secure locking mechanism.
- Ensure accessories are rated for load capacity.
- Look for signs of corrosion or wear.
- Check winch operation under load.
- Listen for unusual noises during operation.
- Inspect for signs of excessive wear.
- Ensure all parts are properly lubricated.
- Engage brakes and check for any slipping.
- Test responsiveness under load.
- Inspect brake pads for wear.
- Ensure brake fluid levels are adequate.
- Check for play or movement in the slew ring.
- Inspect gears for wear or damage.
- Ensure lubrication is adequate and not contaminated.
- Look for any signs of overheating.
- Inspect seals for leaks or cracks.
- Check for signs of hydraulic fluid on the surface.
- Examine cylinder rods for scratches or pitting.
- Ensure mounting brackets are secure.
- Inspect tracks for cracks and wear.
- Check for debris buildup in the undercarriage.
- Look for damaged rollers or idlers.
- Ensure proper alignment and tension.
- Check belts for cracks or fraying.
- Measure tension using a tension gauge.
- Inspect chain links for wear or damage.
- Ensure proper alignment with pulleys.
- Check all attachment points for security.
- Look for cracks or signs of wear.
- Ensure counterweights are properly positioned.
- Verify there is no excessive movement.
- Inspect hoses for visible damage.
- Check connections for leaks.
- Ensure hoses are not pinched or kinked.
- Look for signs of wear on fittings.
- Deploy outriggers and check for stability.
- Test hydraulic operation of stabilizers.
- Inspect for any signs of leaks.
- Ensure all mechanisms operate smoothly.
- Check mounts for cracks or wear.
- Ensure isolation pads are intact.
- Inspect for excessive engine movement.
- Look for signs of vibration damage.
- Check for leaks around hoses and fittings.
- Inspect radiator for damage or corrosion.
- Ensure coolant levels are within recommended range.
- Check for proper operation of the cooling fan.
- Inspect all pivot points for wear.
- Ensure hinges operate smoothly without binding.
- Apply appropriate lubricant as needed.
- Check for any signs of corrosion.
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