TM 9-6920-430-14
(24) Open the INLET BLEED valve (37) two turns counterclockwise. Slowly
open INLET SHUTOFF valve (38) until you hear gas escaping. When gas stops escaping,
open the INLET SHUTOFF valve (38) two complete turns.
NOTE
The INLET PRESSURE gage (39) may read more than zero due to gage
inaccuracy at low pressure.
(25) Close the INLET SHUTOFF (38) and INLET BLEED (37) valves fully
clockwise.
(26) Close the PROOF TEST SHUTOFF valve (40) located on the PROOF
TEST CONTROL PANEL fully clockwise to the closed position.
3-26
Change 1