APPENDIX
COMPRESSOR/DEHYDRATOR TROUBLESHOOTING GUIDE
(continued)
SYMPTOM
PROBABLE CAUSE
TEST PROCEDURE/
CORRECTIVE ACTION
Perform operation checkout
5. Dryness indicator is not
Purging system not
blue.
functioning.
procedure.
If purging not taking place,
check unloader valve,
pressure switch, and
exhaust muffler.
Repair or replace
appropriate component.
Compressor undersized for
Compressor running too
installation or leaks.
frequently.
If leaks, locate and repair.
If undersized, replace with
appropriate sized
compressor.
Regenerate drying
Drying chamber saturated.
chamber.
End of Appendix
MD0366
A-4
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