TM 5-4220-227-14
(6) Remove four nuts (14) and washers (15) from gage mounting studs (16) and two brackets (17), plate (18), low
pressure gage (8), and high pressure gage (13).
(7) Install low pressure gage (8) and high pressure gage (13) and two plate (18) on chamber control console (19) and
secure with two brackets (17), four washers (15) and nuts (14).
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.
(8) Apply teflon tape to all pipe threads.
(9)
Install elbow (12) on high pressure gage (13).
(10)
Install fitting (11) on elbow (12).
(11)
Install line (10) on fitting (11) and tighten fitting nut (9).
(12)
Install fitting (7) on low pressure gage (8).
(13)
Install line (6) on fitting (7) and tighten fitting nut (5).
(14)
Pressurize system and check for leaks, and new gage for proper operation.
(15)
Remove two pin (4), supports (3), close enclosure door (2) and secure with two latches (1).
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