TM 5-4220-227-14
(3) Remove nut (8) from isolator valve (7).
(4) Remove two fitting nuts (9) and remove lines (10) and (11).
(5) Remove isolator valve (7) from chamber control console (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 all pipe threads.
(7)
Install isolator valve (7) on chamber control console (12).
(8)
Install lines (10) and (11) and tighten two fitting nuts (9).
(9) Install nut (8) in isolator valve (7).
(10) Install knob (6) on isolator valve (7) and tighten setscrews (5).
(11) Pressurize system and check connections for leaks.
(12) Remove two pins (4), supports (3), close enclosure door (2), and secure with two latches (1).
5-117
