Quincy Compressor QOF 2 - Section VI - Adjustments and Servicing Procedures; Pressure Switch; Air Filter; Air Cooler

Section VI - Adjustments and servicing procedures
Quincy Compressor 25
• Pressure switch
• Air filter
• Air cooler
• Drive motor
• Safety valve
• Belt replacement
• Temperature protection
• Cleaning the compressor element
• Replacement of the outlet pipe
• Refrigerant dryer maintenance
Pressure switch
Description
Thepressureswitch(PS-SeesectionFlowdiagram)determinestheoperatingpressure
ofthecompressor.Thestoppingandstartingpressuresaretheopeningandclosing
pressures of the switch.
NOTICE!
Adjustments may only be carried out when the switch is pressurized.
Pressure switch
Thestoppingpressureiscontrolledbyadjustingscrew(2).Turnthescrewclockwiseto
raisethestoppingpressure,anti-clockwisetolowerit.
Thepressuredifferencebetweenstartingandstoppingisadjustedbymeansofadjusting
screw(1).Turnthescrewanti-clockwisetoreducethepressuredifference,clockwiseto
increase it.