Quincy Compressor QGV 40, Instruction Book

Page: 121 / 132

Instruction book
2012 2039 28 121
No. Condition Fault Remedy
6 Safety valve blows after
loading Inlet valve malfunctioning Have valve checked
Minimum pressure valve
malfunctioning Have valve checked
Safety valve out of order Have valve replaced
Airend (AE) out of order Consult your supplier
Oil separator element clogged Have element replaced
7 Airend outlet temperature
or delivery air
temperature above
normal Oil level too low Check and correct
On air-cooled compressors,
insufficient cooling air or cooling
air temperature too high Check for cooling air restriction
or improve ventilation of the
compressor room.
Avoid circulation of cooling air. If
installed, check capacity of
compressor room fan
Oil cooler clogged Have valve tested
Thermostatic valve
malfunctioning Clean cooler
Air cooler clogged Consult your supplier
Airend (AE) out of order Replace
Oil filter clogged Have valve tested
8 Excessive Water Content
in fluid Water drain intervals Drain water as needed. to
reduce water content in fluid
below 200 PPM
Discharge temperature Too low Check operation of thermostatic
valve or water regulating valve. If
condition continues, consult
QUINCY service department.