Atlas Copco Air Compressor

Instruction book
2920 1521 00 33
5.4 Safety valve
Operating
Operate the safety valve by unscrewing the knurled cap one or two turns. Retighten the cap.
Testing
The valve can be tested on a separate compressed air line. If the valve does not open at the pressure
marked on the valve, consult Atlas Copco.
Warning
No adjustments are allowed. Never run the compressor without safety valve.