A detailed Gearbox QUARTERLY preventive maintenance Inspection checklist
1. Safety Precautions
2. Visual Inspection
3. Lubrication Check
4. Component Inspection
5. Alignment and Vibration Analysis
- Use a straight edge or laser tool for precise measurement.
- Ensure the gearbox and equipment shafts are parallel.
- Adjust alignment as needed to achieve optimal positioning.
- Document alignment status for future reference.
- Attach the vibration sensor to the gearbox casing.
- Select appropriate frequency range for analysis.
- Record vibration data during normal operation.
- Ensure readings are taken under similar load conditions.
- Retrieve baseline vibration data for comparison.
- Identify any deviations from baseline readings.
- Analyze frequency spectrum to determine root causes.
- Document anomalies and recommend further investigation.
- Inspect coupling bolts for tightness and integrity.
- Check for wear or damage on coupling surfaces.
- Replace any damaged couplings immediately.
- Ensure proper lubrication of coupling components.
- Use a straight edge or laser tool for precise measurement.
- Ensure the gearbox and equipment shafts are parallel.
- Adjust alignment as needed to achieve optimal positioning.
- Document alignment status for future reference.
- Attach the vibration sensor to the gearbox casing.
- Select appropriate frequency range for analysis.
- Record vibration data during normal operation.
- Ensure readings are taken under similar load conditions.
- Retrieve baseline vibration data for comparison.
- Identify any deviations from baseline readings.
- Analyze frequency spectrum to determine root causes.
- Document anomalies and recommend further investigation.
- Inspect coupling bolts for tightness and integrity.
- Check for wear or damage on coupling surfaces.
- Replace any damaged couplings immediately.
- Ensure proper lubrication of coupling components.
- Remove shims and visually inspect for cracks or deformation.
- Measure shim thickness and compare to specifications.
- Replace any worn or damaged shims with correct size.
- Reinstall shims ensuring correct alignment is maintained.
- Check alignment of flexible coupling components.
- Inspect for any signs of wear or misalignment.
- Ensure proper torque on all fastening components.
- Test coupling flexibility under operational conditions.
- Set up laser alignment tool according to manufacturer instructions.
- Align the gearbox and connected equipment using laser readings.
- Record alignment results and any adjustments made.
- Save documentation for future maintenance reference.
- Inspect shafts for any abnormal wear patterns.
- Look for vibrations or noises indicating misalignment.
- Check bearing alignment and condition.
- Document findings for follow-up action.
- Use dial indicators or laser tools for precise measurements.
- Record both angular and parallel misalignment values.
- Compare measurements against acceptable tolerances.
- Note any necessary adjustments for correction.
- Inspect bearings for signs of discoloration or scoring.
- Check seals for leakage or damage.
- Replace any worn bearings or seals immediately.
- Document the condition and any actions taken.
- Inspect mounting bolts for tightness and integrity.
- Check for cracks or deformation in the mounting structure.
- Evaluate the overall condition of the mounting hardware.
- Replace any damaged components as needed.
- Analyze previous vibration reports for consistency.
- Identify any increasing trends in vibration levels.
- Look for patterns indicating recurring issues.
- Document findings for future predictive maintenance.
- Prioritize issues based on severity and impact.
- Make necessary adjustments to alignment or components.
- Re-test to confirm that issues have been resolved.
- Document all corrective actions taken.
- Define a timeline for follow-up checks.
- Use the same measurement methods for consistency.
- Compare new data against previous readings.
- Ensure continuous monitoring as part of maintenance.
Use in Manifestly