Shut off the engine.
Open the draincock on the wet tank to release compressed air from the system.
Use steam to clean the compressor.
Use compressed air to dry.
Remove the air inlet and outlet connections from the air compressor.
Measure the total carbon deposit thickness inside the air discharge line as shown.
NOTE: The carbon deposit thickness must not exceed 1.6 mm [1/16 inch].
Warning: The air discharge line must be capable of with standing extreme heat and pressure to prevent personal
injury and property damage. Refer to the manufacturer’s specifications.
NOTE: If the total carbon deposit thickness exceeds specification:
* Remove and clean or replace the air discharge line.
Refer to manufacturer’s material specifications.
* Remove and inspect unloader components and cylinder head.
