PRACTICE EXERCISE (Continued)
3.
Back off pressure regulator valve to relieve spring by--
a.
pulling handle out.
b.
turning handle counterclockwise.
c.
pushing handle in.
d.
turning handle clockwise.
4.
Before connecting purge adapter to AN/AVS-6(V)1/2 low pressure gauge should
indicate--
a.
2 PSI.
b.
3 PSI.
c.
4 PSI.
d.
5 PSI.
5.
The purge adapter has been placed into purge valve and you must now rotate large knob
of the purge adapter counter-clockwise until--
a.
you hear gas escaping.
b.
knob stops.
c.
you hear no gas escaping.
d.
you have turned it 1/8 turn.
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