A detailed Compressed Air Dryer SEMI ANNUAL preventive maintenance checklists
1. Visual Inspection
2. Filter and Separator Maintenance
- Turn off the air supply and depressurize the system.
- Remove the filter elements carefully to avoid damage.
- Install new pre-filter and after-filter elements as specified.
- Ensure all connections are secure before re-pressurizing.
- Remove the coalescing filter from the housing.
- Check for visible signs of oil, water, or dirt accumulation.
- Replace the filter if contamination is present.
- Reinstall securely and ensure proper sealing.
- Inspect the drain traps for any blockages or leaks.
- Manually activate the drain to ensure it functions correctly.
- Clean any debris or build-up from the drain trap.
- Ensure the drain is operating automatically as intended.
- Examine all seals on the filter housing for wear or damage.
- Replace any damaged seals to maintain proper sealing.
- Tighten all fittings and connections to prevent leaks.
- Perform a leak test to confirm integrity.
- Remove filter elements and visually inspect for damage.
- Look for tears, dents, or signs of corrosion.
- Replace any damaged filters immediately.
- Document findings in the maintenance log.
- Use a differential pressure gauge to measure pressure across filters.
- Compare readings with manufacturer specifications.
- Replace filters if pressure drop exceeds limits.
- Record measurements for future reference.
- Use a vacuum or damp cloth to clean the filter housing.
- Remove any dust or debris that may affect performance.
- Check for any signs of corrosion or damage during cleaning.
- Ensure the area is clear before reassembly.
- Inspect all bolts, nuts, and connections for tightness.
- Use a torque wrench to tighten components as specified.
- Check connections for signs of wear or damage.
- Retighten as necessary to ensure a secure fit.
- Log the date of each filter replacement in the maintenance record.
- Note any observations or issues found during inspection.
- Include technician's name and signature for accountability.
- Review records periodically to track maintenance history.
- Inspect the filter outlet for moisture or oil accumulation.
- Use a clean cloth to check for any residues.
- Investigate and address the source of moisture or oil.
- Document any findings in the maintenance log.
- Consult the manufacturer's specifications for filter types.
- Cross-reference replacement filters with the original specifications.
- Ensure all replacement parts match in size and type.
- Keep a record of all filter types used for future reference.
- Check all drain lines for blockages or damage.
- Use a brush or compressed air to clear any obstructions.
- Inspect connections for leaks and ensure they are secure.
- Document any issues found during inspection.
- Start the compressed air dryer and monitor operation.
- Listen for any unusual sounds or vibrations during operation.
- Investigate any irregularities and address as needed.
- Document findings and corrective actions taken.
- Gather all maintenance logs related to filters and separators.
- Look for patterns or frequent issues in the records.
- Discuss findings with the maintenance team for solutions.
- Plan for any necessary improvements based on history.
Use in Manifestly