A detailed Crawler Crane DAILY preventive maintenance checklists

General Inspection

  • Examine the main frame, boom, and counterweights.
  • Look for bends, cracks, or other deformations.
  • Inspect welds for integrity and signs of fatigue.
  • Check for any missing or damaged components.
  • Look for fluid stains on or around hydraulic lines.
  • Check hydraulic cylinders for signs of leakage.
  • Inspect connections for tightness and proper seals.
  • Monitor fluid levels in the hydraulic reservoir.
  • Review placement of safety decals on the crane.
  • Check for fading, peeling, or damage to labels.
  • Replace any illegible or missing safety information.
  • Ensure compliance with regulatory standards.
  • Inspect tool storage areas for organization.
  • Make sure tools are stowed properly to prevent falling.
  • Check that equipment is secured with appropriate restraints.
  • Remove any unnecessary items from the crane.
  • Assess the ground conditions beneath the crane.
  • Check for level positioning using a bubble level.
  • Verify that outriggers are fully extended and secured.
  • Avoid operating on soft or uneven surfaces.
  • Examine metal surfaces for discoloration or flaking.
  • Check joints and seams for rust accumulation.
  • Clean any corroded areas and apply protective coatings.
  • Monitor for ongoing corrosion issues.
  • Inspect all critical connection points.
  • Use a torque wrench to verify tightness.
  • Replace any missing fasteners immediately.
  • Document any issues for maintenance records.
  • Inspect the track surface for cracks or breaks.
  • Check for debris or obstacles lodged in the tracks.
  • Assess track alignment and tension.
  • Clean any dirt or obstructions from track areas.
  • Check each access point for proper closure.
  • Ensure latches are functional and undamaged.
  • Confirm that no doors are left open during operation.
  • Inspect seals for wear or degradation.
  • Examine rollers and idlers for wear patterns.
  • Check for any leaks in the undercarriage components.
  • Inspect the overall structural integrity.
  • Look for signs of debris accumulation.
  • Inspect welds and joints for any signs of stress.
  • Check the boom and jib surfaces for surface cracks.
  • Ensure that no deformations are present.
  • Document any findings for repair.
  • Test all lights for functionality.
  • Clean dirt and grime from light covers.
  • Inspect reflectors for visibility and integrity.
  • Replace any burned-out bulbs immediately.
  • Inspect for fraying, kinking, or rust on ropes.
  • Check chains for elongation or wear.
  • Ensure that safety devices are intact.
  • Replace any components showing significant wear.
  • Check lubrication levels in the slew ring.
  • Look for uneven wear or damage on the ring.
  • Ensure the sealing surfaces are clean.
  • Lubricate as required per manufacturer specifications.
  • Inspect hoses for cracks, bends, or leaks.
  • Check fittings for tightness and corrosion.
  • Ensure there are no signs of wear on couplings.
  • Replace any damaged hoses immediately.
  • Clear away loose materials and tools.
  • Inspect the perimeter for potential hazards.
  • Ensure a clear path for crane movement.
  • Document any ongoing concerns about site conditions.
  • Check grounding cables for integrity and connections.
  • Ensure that all grounding systems are functional.
  • Inspect for corrosion or damage on terminals.
  • Test grounding system effectiveness periodically.
  • Test each emergency stop button for operation.
  • Check for clear signage indicating stop locations.
  • Ensure buttons are free from obstructions.
  • Replace any malfunctioning buttons immediately.

Mechanical Components

  • Check for cracks, dents, or corrosion.
  • Verify structural integrity and alignment.
  • Ensure all connections are secure and undamaged.
  • Inspect for broken strands and kinks.
  • Look for rust or corrosion on the surface.
  • Ensure proper lubrication is applied.
  • Check for cracks, bends, or excessive wear.
  • Ensure the safety latch operates smoothly.
  • Verify markings for load rating are visible.
  • Check tightness using the appropriate tools.
  • Inspect for signs of wear or damage.
  • Apply lubricant as per manufacturer specifications.
  • Check for play or unusual noise during operation.
  • Ensure lubricant levels are adequate.
  • Inspect for signs of corrosion or damage.
  • Check for cracks or structural damage.
  • Ensure securing mechanisms are tight and functional.
  • Inspect for any signs of wear or corrosion.
  • Inspect for fraying, twists, or kinks.
  • Measure tension and adjust as necessary.
  • Ensure proper lubrication is maintained.
  • Inspect for cracks, chips, or excessive wear.
  • Ensure they rotate freely and are aligned.
  • Lubricate as per manufacturer recommendations.
  • Check for visible leaks around seals and fittings.
  • Test cylinder operation through full extension.
  • Ensure fluid levels are adequate.
  • Check for proper extension and retraction.
  • Inspect locking mechanisms for wear or damage.
  • Ensure all components are lubricated.
  • Inspect for unusual noises during operation.
  • Check for proper tension and alignment.
  • Verify lubrication levels are adequate.
  • Check for cracks, excessive wear, or debris.
  • Ensure tracks are aligned and tensioned correctly.
  • Lubricate components as needed.
  • Inspect for signs of wear or fraying.
  • Check securing points for integrity.
  • Ensure proper lubrication is applied.
  • Remove dirt and debris from all surfaces.
  • Apply grease to all moving parts as required.
  • Check for smooth operation post-lubrication.
  • Check for loose steps or rungs.
  • Inspect for corrosion or structural damage.
  • Ensure all safety features are functional.

Hydraulic System

  • Locate the hydraulic fluid reservoir.
  • Remove the cap and check the fluid level against the indicator.
  • If low, use the appropriate hydraulic fluid to refill.
  • Replace the cap securely after checking.
  • Examine all hoses for cracks, fraying, or bulges.
  • Check connections for signs of fluid leakage.
  • Ensure that all clamps are tight and secure.
  • Replace any damaged hoses or connections immediately.
  • Activate each hydraulic function individually.
  • Observe for smooth operation without hesitation.
  • Listen for unusual sounds during operation.
  • Check for any leaks during the tests.
  • Locate the hydraulic filters in the system.
  • Inspect filters for dirt accumulation or damage.
  • Replace clogged filters with new, compatible ones.
  • Ensure filters are installed correctly and securely.
  • Examine each hydraulic cylinder for oil leakage.
  • Check for dents, cracks, or bending.
  • Ensure seals are intact and functioning.
  • Report any issues for further inspection.
  • Listen for abnormal noises when operating pumps.
  • Check for vibrations and ensure mounts are secure.
  • Inspect for any signs of external leaks.
  • Test the output pressure to ensure specifications are met.
  • Locate the temperature gauge on the hydraulic system.
  • Monitor the gauge during operation.
  • Ensure temperature remains within specified limits.
  • Take corrective actions if temperature exceeds limits.
  • Check all gauges for accurate readings.
  • Test gauge responsiveness by varying system pressure.
  • Replace any malfunctioning gauges immediately.
  • Ensure gauge faces are clean and legible.
  • Locate the breather on the hydraulic reservoir.
  • Remove the breather and clean it with a suitable solvent.
  • Ensure it is free from dirt and debris.
  • Reinstall the breather securely after cleaning.
  • Listen closely during operation of hydraulic functions.
  • Note any grinding, whining, or banging sounds.
  • Investigate the source of any unusual noises.
  • Document findings and schedule further inspection if necessary.
  • Inspect all mounts and brackets for tightness.
  • Check for signs of wear or fatigue on mounting points.
  • Ensure components are aligned correctly.
  • Tighten any loose fasteners as needed.
  • Examine each hydraulic line for irregularities.
  • Check for kinks that may restrict flow.
  • Look for signs of wear or damage.
  • Replace any deformed lines immediately.
  • Inspect all accessible parts of the system.
  • Check filters and reservoir for contaminants.
  • Clean any areas found to be dirty.
  • Document and address any contamination issues.
  • Keep a log of all inspections performed.
  • Note any issues found or repairs made.
  • Report findings to the responsible maintenance personnel.
  • Ensure that documentation is clear and complete.

Electrical System

Safety Devices

Operator’s Cabin

Final Checks

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