A detailed Crawler Crane SEMI ANNUAL preventive maintenance checklists
1. General Inspection
2. Engine and Powertrain
3. Electrical System
4. Hydraulic System
5. Boom and Hoisting Mechanism
6. Outrigger and Stability Systems
- Test outriggers' extension and retraction.
- Listen for unusual sounds during operation.
- Inspect for any physical damage or bends.
- Ensure all mechanical parts move freely.
- Look for signs of rust or corrosion.
- Check for cracks or splits in the pads.
- Assess the thickness of the pads.
- Look for signs of uneven wear.
- Ensure pads are clean and free of debris.
- Replace any damaged pads immediately.
- Activate the stability system and observe.
- Check for alarm indicators during testing.
- Ensure system responds correctly to inputs.
- Verify that all alerts are audible.
- Document any malfunctions for repair.
- Inspect each lock and pin visually.
- Ensure all locks engage and disengage smoothly.
- Check for wear or damage on pins.
- Confirm that safety devices are not missing.
- Test functionality with the crane in a safe position.
- Look for oil leaks around cylinder seals.
- Check for dents or physical damage.
- Test cylinder operation under pressure.
- Inspect hoses connected to cylinders.
- Document any issues found during inspection.
- Test indicators for accuracy during operation.
- Ensure visual indicators are clearly visible.
- Check for any electrical faults in the system.
- Confirm all indicators respond correctly.
- Replace faulty indicators as needed.
- Manually check each outrigger for deployment.
- Listen for locking mechanisms engaging.
- Visually confirm locks are fully engaged.
- Test outrigger stability with weight applied.
- Document deployment status for records.
- Assess the ground surface for stability.
- Ensure pads are placed on firm, level ground.
- Avoid soft or uneven surfaces.
- Check for adequate ground support.
- Reposition pads if necessary for safety.
- Inspect for cracks or excessive wear.
- Check bolts and fasteners for tightness.
- Look for signs of corrosion or rust.
- Ensure mounting points are secure and stable.
- Document any issues for future reference.
- Activate sensors and check readings.
- Ensure sensors calibrate accurately.
- Inspect wiring and connections for damage.
- Test functionality during crane operation.
- Replace faulty sensors as required.
- Check all hoses for cracks or bulges.
- Inspect fittings for tightness and leaks.
- Ensure hoses are secured and routed correctly.
- Look for signs of hydraulic fluid leakage.
- Replace any damaged hoses or fittings.
- Inspect all metal components visually.
- Look for rust or paint flaking.
- Check for pitting or degradation on surfaces.
- Clean any corroded areas and assess further.
- Protect surfaces with appropriate coatings.
- Obtain the latest manufacturer’s manual.
- Verify maintenance schedule compliance.
- Check recommended procedures for inspections.
- Ensure all staff are trained on specifications.
- Update records to reflect adherence to guidelines.
- Record detailed notes on the inspection.
- List any repairs or replacements made.
- Include dates and personnel involved.
- Store documentation in a central location.
- Ensure records are accessible for audits.
Use in Manifestly