6.7L Cummins Compressed Air System – Air Compressor Coolant Lines – Clean and Inspect for Reuse

Clean the air compressor coolant lines with a strong detergent solution.
Dry the air compressor coolant lines with compressed air. Inspect the air compressor coolant lines for any internal
restrictions. Replace the coolant lines if any restrictions are found.

Inspect the coolant hoses for splits, cracks, hardening, or other damage.
Inspect metal coolant lines for kinks, corrosion, or cracks.
Replace the component if any damage is found.