TM 9-6920-430-14
Be sure that step (3) below is performed to vent trapped gas in the inlet
flexible hose before disconnecting the hose fitting. Death or severe injury
may result if you fail to observe the safety precautions.
(3) Slowly open the INLET BLEED valve (11) counterclockwise two complete
turns (you may hear gas escaping). Close INLET BLEED valve.
(4) Carefully disconnect (turning counterclockwise) the hose fitting (12) at the
supply bottle adapter (13) using a 9/16-inch wrench to hold and a 9/16-inch wrench to
loosen. Replace the protective plug on the end of the inlet flexible hose finger tight.
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Change 1