TM 5-4220-227-14
(8)
Remove 16 nuts (27), washers (28), and bolts (29) and remove air supply manifold (30) and four preformed
packings (31).
(9)
Install air supply manifold (30) and four preformed packings (31) and secure with 16 bolts (29), washers (28) and
nuts (27).
(10)
Install three U-bolts (25) on bracket (26) and secure with six washers (24) and nuts (23).
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.
(11) Apply teflon tape to all pipe threads.
(12)
Install reducer (22), elbow and fitting (21), tee (20), nipple (19), elbow (18), fitting (17), and elbow (16).
(13)
Install low pressure air supply gage (15).
(14)
Install two low pressure air supply valves (13) and (14).
(15)
Install two fittings (10), tee (11), and fitting (12).
(16)
Install angle (9) and enclosure manifold way (8) and secure with six screws (7), lockwashers (6), and nuts (5).
(17)
Pressurize system and check for leaks.
(18)
Remove two pins (4), supports (3), close enclosure door (2), and secure with two latches (1).
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