Atlas Copco GA 55+ User Manual

7.5 Safety valves
Location 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.
7.6 Dryer maintenance instructions
Safety precautions
Refrigeration dryers of ID type contain refrigerant HFC.
Instruction book
80 API603130

Atlas Copco GA 55+ Specifications

General

Model	GA 55+
Category	Air Compressor
Power	55 kW
Working Pressure	7.5 - 13 bar
Height	1800 mm
Cooling Method	Air-cooled
Drive Type	Direct driven
Sound Level	70 dB(A)