6.7
Safety valves
Location of safety valve
Position of safety valve
Operating
Operate the safety valve from time to time by unscrewing the cap one or two turns. Retighten it
afterwards.
Testing
Before removing the valve, depressurize the compressor. See also section Problem solving.
The safety valve (SV) can be tested on a separate air line. If the valve does not open at the set
pressure stamped on the valve, it needs to be replaced.
Warning
No adjustments are allowed. Never run the compressor without safety valve.
6.8
Dryer maintenance instructions
Safety precautions
Refrigeration dryers of ID type contain refrigerant HFC.
When handling refrigerant, all applicable
must be observed. Please be
specifically aware of the following points:
Instruction book
90
2920 7190 02
Summary of Contents for QGD 40
Page 1: ...Quincy Oil injected rotary screw compressors QGD 40 QGD 50 QGD 60 Instruction book...
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Page 14: ...Front view compressors with integrated dryer Instruction book 12 2920 7190 02...
Page 15: ...Front view open compressors without dryer Instruction book 2920 7190 02 13...
Page 16: ...Rear view compressors without dryer Instruction book 14 2920 7190 02...
Page 17: ...Front view open compressors with integrated dryer Instruction book 2920 7190 02 15...
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