12. Turn the compressor switch on the control unit to the “ON”
position.
13. Allow the system to pressurize and operate for a few minutes.
14. Turn the compressor off, check for oil leaks and check the oil
level. Add oil as required.
Changing the Coalescing Filter
If the system has been just operated, shut it off and wait at least 30
seconds for the air pressure to vent before working on the system.
Also allow sufficient time for the oil to cool.
1. Clean the back of the tank to prevent contamination.
2. Remove the drain plug and drain the oil, then install and tighten
the plug.
3. If you are replacing the oil filter, follow filter replacement
procedures.
4. Disconnect the air outlet line and teflon lines from the back of the
tank.
Caution: The discharge cap is under spring tension.
5. Remove the bolts holding the discharge cap from the back of the
tank and remove the cap and small spring.
6. Remove the coalescing filter and spring from inside the tank.
Check the inside of the tank for any evidence of metal
filings or contamination; if found, flush the tank, hoses
and cooler. Metal filings will damage the compressor.
7. Remove and discard the O-ring seal and the rear cap seal;
replace them with new parts.
If you use solvents for cleaning, thoroughly rinse the
parts with hot water to remove all solvent residues.
8. Clean the thimble screen spring and clean or replace the thimble
screen.
9. Thoroughly clean the large spring and spring plate. Remove any
rust or contaminants.
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