A detailed Epicyclic gearbox DAILY preventive maintenance checklists
1. Visual Inspection
2. Lubrication Check
3. Temperature Monitoring
- Review the location of temperature gauges or sensors.
- Ensure they are easily visible and accessible.
- Take readings at regular intervals according to the maintenance schedule.
- Look for unusual temperature spikes or drops.
- Listen for any abnormal sounds from the gearbox.
- Inspect for discoloration or physical damage around the gearbox.
- Check the operation of fans, pumps, and other cooling components.
- Inspect coolant levels and top up if necessary.
- Verify that cooling systems are free from blockages.
- Review the location of temperature gauges or sensors.
- Ensure they are easily visible and accessible.
- Take readings at regular intervals according to the maintenance schedule.
- Look for unusual temperature spikes or drops.
- Listen for any abnormal sounds from the gearbox.
- Inspect for discoloration or physical damage around the gearbox.
- Check the operation of fans, pumps, and other cooling components.
- Inspect coolant levels and top up if necessary.
- Verify that cooling systems are free from blockages.
- Use a logbook or digital tool to document readings.
- Note the time and conditions during each recording.
- Ensure records are clear and easily understandable.
- Access historical temperature records for comparison.
- Highlight any significant deviations from normal patterns.
- Report any concerning trends to the maintenance supervisor.
- Check for physical damage or signs of wear.
- Calibrate sensors according to the manufacturer's guidelines.
- Test gauges with known temperature references for accuracy.
- Inspect insulation material for wear or damage.
- Ensure all insulation is securely fastened to the gearbox.
- Replace or repair any compromised insulation.
- Check for debris or equipment blocking airflow.
- Ensure vents and ducts are clear and functional.
- Confirm that fans are operating at the required speed.
- Inspect hoses and connections for signs of leaks.
- Look for pooling coolant or wet areas around components.
- Address any leaks immediately to prevent overheating.
- Analyze recent operational changes or loads applied.
- Check surrounding equipment for malfunctions.
- Consult with operators regarding any unusual occurrences.
- Measure ambient temperature near the gearbox.
- Compare readings to the manufacturer's specified limits.
- Adjust operational practices if ambient conditions are outside limits.
4. Noise and Vibration Assessment
- Stand close to the gearbox during operation.
- Identify and note any abnormal sounds.
- Differentiate between normal operational noise and unusual noises.
- Record any findings for further analysis.
- Select appropriate vibration analysis equipment.
- Ensure sensors are properly calibrated.
- Attach sensors to designated monitoring points.
- Collect vibration data during normal operation.
- Observe vibration patterns for irregularities.
- Look for spikes or unexpected peaks in data.
- Note any changes in vibration behavior over time.
- Consult with a technician if abnormalities are found.
- Stand close to the gearbox during operation.
- Identify and note any abnormal sounds.
- Differentiate between normal operational noise and unusual noises.
- Record any findings for further analysis.
- Select appropriate vibration analysis equipment.
- Ensure sensors are properly calibrated.
- Attach sensors to designated monitoring points.
- Collect vibration data during normal operation.
- Observe vibration patterns for irregularities.
- Look for spikes or unexpected peaks in data.
- Note any changes in vibration behavior over time.
- Consult with a technician if abnormalities are found.
- Identify critical measurement points on the gearbox.
- Attach accelerometers securely to these points.
- Record peak and RMS vibration levels.
- Ensure measurements are taken at consistent operational speeds.
- Obtain baseline vibration data for the gearbox.
- Analyze current data against historical records.
- Identify any significant deviations or patterns.
- Document findings for trend analysis.
- Visually inspect mounting surfaces for wear or damage.
- Use a torque wrench to verify bolt tightness.
- Check for any loose or missing bolts.
- Ensure proper alignment of the gearbox.
- Utilize FFT (Fast Fourier Transform) analysis tools.
- Interpret frequency data for common fault signatures.
- Identify harmonics and sidebands that may indicate issues.
- Document any anomalies for further investigation.
- Use thermal imaging camera to scan gearbox.
- Look for temperature anomalies that suggest problems.
- Focus on areas with high vibration readings.
- Record thermal images for future reference.
- Review operational speeds against natural frequencies.
- Identify any potential resonance points.
- Monitor the gearbox for excessive vibrations at these speeds.
- Adjust operating conditions to avoid resonance.
- Maintain a detailed log of all assessments.
- Record observations and data consistently.
- Regularly review and analyze historical data.
- Use findings to inform future maintenance actions.
Use in Manifestly