A detailed Excavator DAILY preventive maintenance Inspection checklist
1. Pre-Operational Checks
2. Visual Inspection
- Inspect hoses and connections for wet spots.
- Look for puddles or stains on the ground.
- Check fluid levels in respective tanks.
- Assess surrounding areas for signs of seepage.
- Examine rollers and idlers for wear.
- Check for bent or damaged tracks.
- Look for cracks in the frame.
- Assess overall condition of the undercarriage.
- Inspect welds and joints for integrity.
- Look for signs of bending or deformation.
- Ensure bucket teeth are not excessively worn.
- Check paint for peeling, indicating wear.
- Scan all visible bolts on the machine.
- Use a wrench to check for tightness.
- Replace any missing fasteners immediately.
- Document any discrepancies for maintenance.
- Look for cracks or fraying on hoses.
- Check connections for leaks and tightness.
- Inspect for any signs of fluid discoloration.
- Ensure hoses are properly secured.
- Look for rust on exposed metal parts.
- Inspect joints for pitting or flaking.
- Use a wire brush to check surface integrity.
- Document areas needing treatment or repair.
- Inspect for broken or missing track links.
- Check for wear on track pads.
- Examine the track tension and alignment.
- Ensure tracks are free of debris.
- Check all windows for cracks or chips.
- Clean the dashboard and control panels.
- Ensure visibility is unobstructed.
- Inspect door seals for wear.
- Look for accumulated dirt or debris.
- Check air filters for clogs.
- Ensure radiator fins are clean and clear.
- Assess accessibility for maintenance.
- Inspect exhaust pipes for holes or cracks.
- Look for rust on metal components.
- Check connections for tightness.
- Listen for unusual noises during operation.
- Look for cracks or dents in the tank.
- Check for wet spots or fuel odor.
- Inspect fuel lines and connections.
- Ensure the cap seals properly.
- Test each light for operation.
- Look for cracks in light covers.
- Check wiring for wear or damage.
- Replace any burnt-out bulbs.
- Inspect for cracks or signs of wear.
- Ensure it is securely fastened.
- Look for structural integrity.
- Document any concerns for review.
- Inspect all decals for wear or fading.
- Ensure decals are correctly positioned.
- Replace any missing or damaged decals.
- Check compliance with safety regulations.
- Check seat fabric for tears or wear.
- Inspect seatbelt for fraying or functionality.
- Ensure all adjusting mechanisms work.
- Document any issues for replacement.
- Check under the cab and around tracks.
- Inspect engine compartment for nests.
- Clear any debris or potential hazards.
- Document and report any findings.
- Inspect buttons and levers for functionality.
- Check for cracks or wear on surfaces.
- Ensure all controls respond correctly.
- Document any issues for repair.
- Look for cracks or excessive wear on points.
- Ensure pins are secure and not worn.
- Check for lubrication and maintenance.
- Document any concerns for follow-up.
3. Fluid Levels
- Open the engine compartment.
- Remove the dipstick and wipe it clean.
- Reinsert the dipstick and remove it again.
- Check oil level against the minimum and maximum marks.
- Inspect oil color and consistency for contamination.
- Locate the hydraulic tank.
- Check the sight glass or dipstick for fluid level.
- Inspect fluid color; it should be clear or slightly amber.
- Look for signs of contamination or debris.
- Check for any leaks around the hydraulic lines.
- Open the radiator cap when the engine is cold.
- Check coolant level in the overflow tank.
- Inspect coolant color; it should be bright and clean.
- Look for signs of rust or oil contamination.
- Ensure proper sealing of the radiator cap.
- Check the fuel gauge on the dashboard.
- Visually inspect the fuel tank for any leaks.
- Ensure no debris is present in the fuel tank.
- Fill the tank if it is below the recommended level.
- Document the fuel level for maintenance records.
- Locate the transmission dipstick.
- Remove the dipstick and clean it.
- Reinsert and remove to check the fluid level.
- Inspect fluid color for signs of burning or contamination.
- Ensure there are no leaks around the transmission.
- Locate the brake fluid reservoir.
- Check the fluid level against the minimum and maximum markers.
- Inspect fluid color; it should be clear or light amber.
- Look for signs of contamination or moisture.
- Ensure the reservoir cap is secure after inspection.
- Locate the power steering fluid reservoir.
- Check the fluid level against the indicated markers.
- Inspect fluid color; it should be bright and clean.
- Look for any signs of leaks around the steering hoses.
- Ensure the cap is properly secured after checking.
- Locate the fuel filter.
- Check for any signs of leaks or rust.
- Inspect the filter for any visible dirt or debris.
- Ensure all connections are tight and secure.
- Replace the filter if it appears clogged or damaged.
- Inspect all visible hoses and fittings.
- Look for wet spots or stains indicating leaks.
- Check for any cracks or wear in hoses.
- Ensure all clamps and connections are tight.
- Document any leaks for repair scheduling.
- Locate the differential oil fill plug.
- Check oil level using the fill plug or dipstick.
- Inspect oil color; it should be clean and free of debris.
- Look for signs of leaks around the differential.
- Replace oil if it appears dirty or contaminated.
- Locate the windshield washer fluid reservoir.
- Check the fluid level against the minimum and maximum markers.
- Inspect fluid color; it should be clear or blue.
- Fill the reservoir if below the recommended level.
- Ensure the cap is securely closed after checking.
- Identify all auxiliary fluid reservoirs.
- Check levels against the recommended markers.
- Inspect fluid condition for clarity and cleanliness.
- Look for signs of leaks near attachments.
- Document any discrepancies for further investigation.
- Use a maintenance log or checklist.
- Record specific fluid levels and conditions noted.
- Note any actions taken or required.
- Schedule follow-up inspections if necessary.
- Communicate findings with the maintenance team.
4. Electrical Systems
- Ensure terminals are tight and clean.
- Use a multimeter to measure voltage.
- Check for signs of corrosion around terminals.
- Look for visible wear or exposed wires.
- Check for signs of overheating or chafing.
- Ensure wiring is properly secured and routed.
- Turn on lights and inspect each one.
- Replace any burnt-out bulbs promptly.
- Ensure all lenses are clean and free of cracks.
- Press horn button to check sound.
- Ensure sound is loud and clear.
- Inspect wiring and connections for issues.
- Check for loose or corroded connections.
- Listen for clicking sounds during operation.
- Test for voltage at the solenoid.
- Measure voltage output while engine runs.
- Inspect belts for wear and proper tension.
- Check connections for tightness and corrosion.
- Turn on ignition and observe gauge readings.
- Verify readings against known values.
- Replace faulty or inaccurate gauges.
- Remove and visually inspect each fuse.
- Check for signs of corrosion on terminals.
- Replace any damaged or blown fuses.
- Test ignition switch by starting the engine.
- Inspect wiring for wear or loose connections.
- Ensure smooth operation of the switch.
- Turn on auxiliary systems and test functionality.
- Inspect connections for security and damage.
- Ensure all screens display correctly.
- Disconnect battery terminals before cleaning.
- Use a wire brush to clean terminals.
- Reattach terminals securely after cleaning.
- Visually inspect connectors for tightness.
- Clean any dirt or debris from connections.
- Check for signs of corrosion on connectors.
- Activate the switch to ensure it works.
- Check for any sticking or delayed response.
- Inspect wiring for damage or loose connections.
- Inspect harness for frays or melting.
- Check for proper routing away from hot surfaces.
- Ensure harness is secured and not pinched.
5. Operational Checks
- Turn ignition key to start engine.
- Listen for any irregular sounds such as grinding or rattling.
- Pay attention to the smoothness of the engine running.
- Document any unusual noises for further inspection.
- Engage each control one at a time.
- Observe for smooth operation and responsiveness.
- Check for any delays or resistance in movements.
- Ensure all movements return to neutral position properly.
- Locate the emergency stop button.
- Press the button to test its functionality.
- Confirm that the engine and all movements cease immediately.
- Reset the emergency stop to resume normal operations.
- Check each gauge for accurate readings.
- Look for any warning lights or indicators.
- Ensure all readings are within normal operating ranges.
- Document any discrepancies for further investigation.
- Engage forward travel control and move the excavator.
- Check for smooth acceleration and deceleration.
- Switch to reverse and repeat the test.
- Listen for any abnormal sounds during movement.
- Engage each attachment one at a time.
- Observe for smooth engagement and functionality.
- Test the full range of motion for each attachment.
- Document any issues with operation or engagement.
- Activate the swing function and observe its operation.
- Listen for any unusual noises during swinging.
- Check for smoothness and consistency in movement.
- Document any irregularities for further examination.
- Engage the slew brake after moving the machine.
- Check if the machine holds its position without drifting.
- Release the brake to ensure smooth operation resumes.
- Document any failures in holding position.
- Observe hydraulic hoses and fittings while operating.
- Look for any signs of fluid leakage.
- Inspect for wet spots or drips on the ground.
- Document any leaks for repair.
- Attach the quick coupler to the designated attachment.
- Test the engagement and ensure it locks securely.
- Disengage the coupler and check for smooth release.
- Document any difficulties in operation.
- Engage the parking brake fully.
- Try to move the excavator slightly.
- Monitor for any movement indicating brake failure.
- Document the effectiveness of the parking brake.
- Operate controls and observe response times.
- Note any delays or inconsistent movements.
- Check for smooth transitions between control actions.
- Document any lags for further investigation.
- Engage each additional feature one at a time.
- Observe for smooth operation and responsiveness.
- Check for any unusual noises during operation.
- Document any issues with additional features.
- Operate the excavator at various speeds.
- Pay attention to vibrations or shaking.
- Check for any unusual body movements of the machine.
- Document any abnormal findings.
- Turn on the air conditioning or heating system.
- Check for adequate airflow and temperature control.
- Listen for any unusual noises from the system.
- Document any issues with cabin climate control.
- Turn on the work lights and check illumination.
- Test all warning lights for functionality.
- Ensure visibility is adequate for safe operation.
- Document any non-working lights for repair.
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