PRACTICE EXERCISE (Continued)
Back off pressure regulator valve to relieve spring by--
pulling handle out.
turning handle counterclockwise.
pushing handle in.
turning handle clockwise.
Before connecting purge adapter to AN/AVS-6(V)1/2 low pressure gauge should
The purge adapter has been placed into purge valve and you must now rotate large knob
of the purge adapter counter-clockwise until--
you hear gas escaping.
you hear no gas escaping.
you have turned it 1/8 turn.