Porter-Cable CPL55GH8W - Manual (Page 14)

Drain air tank daily. Water will condense in air tank. If not
drained, water will corrode and weaken the air tank caus-
ing a risk of tank rupture.
16. With tank pressure at approximately 20 PSIG, open the drain valves and
allow moisture to drain.
NOTE: If drain cock is clogged, release all air pressure. The drain cock can
then be removed, cleaned, and reinstalled.
17. After the water has been drained, close the drain cocks. The air compressor
can now be stored.
14-ENG
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