TM 5-4220-233-14
(1) Disconnect tube assembly (1) from elbow (2) on valve (3) and from high pressure station port fitting (4)
and bag.
(2) Disconnect tube assembly (5) from tee (6) and elbow (7) on pressure regulator and bag.
(3) Disconnect tube assembly (8) from tee (6) and loosen at filter (9).
(4) Disconnect tube assembly (10) from elbow (11) on manifold valve.
(5) Remove tube assembly (10) and filter (9) together as an assembly and bag.
(6) Unsnap button plug (12) from handle (13) on valve (3) and remove nut (14) and handle (13) from valve
(3).
(7) Remove retaining nut (15) from valve (3).
(8) Remove valve (3) from back of control panel (16).
(9) Note position of elbow (2) and tee fitting (6) on valve (3).
(10) Remove elbow (2) and tee fitting (6) from valve (3) and bag.
b.
Cleaning of Valve and Removed Components. Refer to Section VII to clean elbow, tee fitting, tube
assembly and replacement valve as required.
c.
Installation.
(1) Apply anti-seizing tape (Item 16, Appendix D) to male pipe threads on elbow (2) and tee fitting (6).
(2) Install elbow (2) at side port of valve (3) and tee fitting (6) on valve (3) and position as previously
noted.
(3) Remove button plug (12), nut (14), handle (13), and retaining nut (15) from new valve (3).
(4) Insert valve (3) through back of control panel (16) and temporarily secure by installing retaining nut (15)
hand tight.
(5) Connect, but do not tighten, tube assembly (10) and filter assembly (9) to elbow (11) on manifold valve.
(6) Connect, but do not tighten, tube assembly (8) to tee (6) and filter (9).
(7) Connect tube assembly (5) to tee (6) and elbow (7) on pressure regulator.
(8) Connect tube assembly (1) to elbow (2) on valve (3) and high pressure station port fitting (4).
(9) Tighten all connections.
(10) Tighten retaining nut (15).
(11) Attach handle (13) to valve (3) with nut (14), then install button plug (12).
(12) Perform a leak check on all connections loosened during this task as prescribed in paragraph 4-20.
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