A detailed Crawler Crane QUARTERLY preventive maintenance checklists
General Inspection
Hydraulic System
Electrical System
Engine and Transmission
- Locate the dipstick and remove it.
- Wipe it clean, reinsert, and remove again to check the level.
- Inspect oil color and consistency.
- Add oil if low; change if dirty or contaminated.
- Remove the air filter cover.
- Take out the air filter and inspect for dirt and damage.
- Clean with compressed air or replace if necessary.
- Reinstall the air filter and cover securely.
- Check the coolant reservoir for proper level.
- Inspect hoses and connections for any leaks.
- Top off coolant if low with the appropriate mixture.
- Run the engine and monitor for any signs of leaks.
- Locate the transmission dipstick and remove it.
- Check fluid level and condition; look for discoloration.
- Add fluid if low or replace if burnt.
- Ensure proper sealing on the dipstick tube.
- Inspect fuel lines for any visible leaks.
- Check the fuel filter for clogs or dirt.
- Replace the fuel filter if necessary.
- Verify that fuel connections are tight and secure.
- Remove any loose debris from the radiator.
- Use compressed air to blow out dust from cooling fins.
- Inspect the radiator for any signs of damage.
- Ensure proper airflow through the radiator.
- Check the coolant level and top up if needed.
- Inspect the water pump for leaks or noise.
- Test the thermostat for proper opening and closing.
- Run the engine and monitor temperature fluctuations.
- Check belts for tension and alignment.
- Inspect hoses for bulges or cracks.
- Replace any damaged belts or hoses immediately.
- Ensure all connections are secure and leak-free.
- Inspect exhaust pipes and joints for rust or cracks.
- Listen for unusual noises during engine operation.
- Check for signs of soot or carbon buildup.
- Ensure all exhaust components are securely attached.
- Use a multimeter to check battery voltage.
- Inspect battery terminals for corrosion.
- Clean terminals with a wire brush if corroded.
- Ensure connections are tight and secure.
- Test the starter motor by turning the ignition.
- Check the alternator output with a multimeter.
- Look for signs of wear or damage on both components.
- Ensure wiring and connections are intact.
- Start the engine and observe gauge readings.
- Check that warning lights illuminate during the self-test.
- Look for any abnormal readings while operating.
- Replace faulty gauges or bulbs as needed.
- Examine service history for past repairs.
- Identify patterns or recurrent issues.
- Consult with technicians for further insights.
- Plan corrective actions for ongoing problems.
- Start the engine and listen for unusual sounds.
- Monitor vibrations through the chassis.
- Shut down if excessive noise or vibration occurs.
- Investigate and address any concerns promptly.
- Inspect engine mounts for cracks or wear.
- Check bolts for proper torque and tightness.
- Look for signs of movement or shifting.
- Replace any damaged mounts immediately.
- Check the oil filter for dampness or oil residue.
- Replace the oil filter if any leakage is found.
- Ensure the new filter is properly installed.
- Check oil level after replacement.
- Refer to the service manual for torque specifications.
- Use a torque wrench to check bolt tightness.
- Retighten any bolts that are below specification.
- Document any adjustments made for records.
Track and Undercarriage
- Visual inspection of track surfaces.
- Look for cracks, breaks, or excessive wear.
- Check alignment by examining the track path.
- Note any irregularities for further assessment.
- Measure track tension using appropriate tools.
- Adjust tensioning mechanism according to manufacturer specifications.
- Ensure both tracks are evenly tensioned.
- Recheck tension after adjustments.
- Examine rollers for flat spots or excessive wear.
- Check idlers for any signs of damage.
- Inspect sprockets for tooth wear or deformation.
- Replace any components showing significant wear.
- Use the correct lubricant as per manufacturer guidelines.
- Apply lubricant to all joints and bearings.
- Ensure no excess lubricant is present.
- Check for proper lubrication flow.
- Visual check for rust on all metal surfaces.
- Look for pitting or flaking paint.
- Clean any rust spots with a wire brush.
- Apply rust-preventative coating if necessary.
- Inspect the undercarriage thoroughly for obstructions.
- Remove any debris found in the components.
- Ensure all moving parts are free from obstruction.
- Check surrounding areas for potential debris sources.
- Inspect welds and joints for integrity.
- Look for visible cracks or distortions.
- Use a magnifying glass for detailed inspection.
- Document any findings for future repairs.
- Check for hydraulic fluid leaks around seals.
- Inspect cylinders for dents or scratches.
- Ensure that all connections are secure.
- Test operation to confirm functionality.
- Measure distance between tracks at several points.
- Adjust alignment as needed to ensure uniform spacing.
- Use a straight edge to help identify misalignment.
- Document alignment settings for future reference.
- Inspect track shoes for cracks or excessive wear.
- Measure shoe thickness against manufacturer specifications.
- Check for loose or missing bolts.
- Replace any shoes that do not meet criteria.
- Check tensioning components for smooth operation.
- Look for signs of wear or damage.
- Ensure adjustments can be made without obstruction.
- Document findings for maintenance records.
- Operate the crane and listen for unusual sounds.
- Check for excessive play in suspension components.
- Inspect bushings and connections for wear.
- Document any issues for further investigation.
- Use a pressure washer to clean undercarriage surfaces.
- Inspect components after cleaning for damage.
- Remove any grease or dirt buildup.
- Check for signs of wear post-cleaning.
- Use a maintenance logbook or digital tool.
- Record date, findings, actions taken, and parts used.
- Include any observations for future maintenance.
- Ensure documentation is easily accessible.
Boom and Attachments
- Examine the entire boom surface thoroughly.
- Look for visible cracks, dents, or bends.
- Use a flashlight to check for hairline fractures.
- Document any findings for further evaluation.
- Inspect each pin and bushing for signs of wear.
- Ensure they are seated correctly in their housings.
- Check for any play or movement in the joints.
- Lubricate as necessary according to specifications.
- Examine the entire length of the wire rope.
- Look for any signs of fraying, kinks, or twists.
- Check the termination points for secure connections.
- Replace any damaged sections according to guidelines.
- Engage each attachment individually.
- Operate through the full range of motion.
- Listen for unusual sounds or resistance.
- Ensure all safety features are functioning correctly.
- Check for peeling or bubbling paint.
- Look for any rust or corrosion spots.
- Assess the overall finish for protective integrity.
- Touch up areas as needed to prevent further damage.
- Check the indicator's calibration against a level.
- Test its responsiveness while adjusting the boom.
- Ensure it reads accurately at various angles.
- Replace or repair if malfunctioning.
- Inspect all bolts, nuts, and latches for tightness.
- Test the latch mechanisms for proper engagement.
- Ensure no components are loose or misaligned.
- Document any deficiencies for repair.
- Examine hoses for cracks, abrasions, or bulges.
- Check all connections for signs of leakage.
- Ensure fittings are tight and secure.
- Replace any damaged hoses immediately.
- Test each limit switch for functionality.
- Adjust settings to match operational specifications.
- Look for physical damage to the switches.
- Document any issues and schedule repairs.
- Inspect sheaves for grooves or cracks.
- Check bearings for smooth operation.
- Listen for unusual noises during movement.
- Replace any worn or damaged components.
- Check markings for clarity and visibility.
- Ensure all load ratings comply with current standards.
- Clean any obscured areas to improve readability.
- Update markings if necessary.
- Observe the boom while in operation.
- Watch for any unusual sway or instability.
- Check all pivot points for tightness.
- Report any excessive movement for further analysis.
- Engage each rigging component in operation.
- Ensure smooth motion and proper function.
- Inspect for wear or damage during testing.
- Document findings and address any concerns.
- Review alignment visually and with tools.
- Check for parallelism to the base structure.
- Adjust as necessary to ensure proper function.
- Document alignment status for records.
- Obtain the latest manufacturer documentation.
- Review all guidelines and updates thoroughly.
- Implement any new recommendations as needed.
- Keep a record of changes for reference.
Use in Manifestly