TM 5-4220-227-14
(3) Remove two fitting nuts (9) and remove lines (10) and (11).
(4) Remove bulk head nut (12) and remove shutoff valve (8) from rear of chamber control console (13).
(5)
Install shutoff valve (8) in chamber control console (13) and secure with bulkhead nut (12).
WARNING
Leave 1 1/2 threads exposed on fitting when applying teflon tape. This will ensure that no
teflon tape will hang down inside the air system. Teflon tape should be wrapped in such a
manner that when the fitting is tightened the tape will not loosen. Failure to wrap teflon tape
correctly may result in contamination or blockage of the air system and subsequent possible
injury or death to the diver.
(6) Apply teflon tape to shutoff valve pipe threads.
(7)
Install two lines (10) and (11) and tighten two fitting nuts (9).
(8)
Install valve handle (7) on valve (8) and secure with lockwasher (6) and nut cap (5).
(9)
Pressurize system, and check connections for leaks. Check shutoff valve for proper operation.
(10)
Remove two pins (4), supports (3), close enclosure door (2) and secure with two latches (1).
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