TM 9-6920-430-14
3-14. INLET FLEXIBLE HOSE REPLACEMENT
High gas pressure (up to 6200 psig) exists when performing the procedure
below. Death or severe injury may result if you fail to observe safety
precautions.
a. Close the argon gas supply valve (1) fully clockwise.
b. Check that the INLET SHUTOFF valve (2) is closed fully clockwise.
c. Slowly open the INLET BLEED valve (3) counterclockwise until you hear gas
escaping. After gas has vented, further open the INLET BLEED valve (3) two complete
turns counterclockwise.
Be sure that step c above is performed to vent trapped gas in flexible hose
before performing next step.
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