TM 5-4220-233-14
(1) Disconnect tube assembly (1) from adaptor (2) on valve (3) and from elbow (4) on pressure regulator.
(2) Disconnect tubes on low pressure manifold (5) at all connection points.
(3) Loosen, but do not remove, screws (6) and nuts (7) on clamps (8) securing low pressure manifold (5) to
control panel (9).
(4) Unsnap button plug (10) from handle (11) on valve (3) and remove nut (12) and handle (11) from valve
(3).
(5) Remove retaining nut (13) from valve (3).
(6) Pull back on manifold tube (5) enough to allow valve (3) to be removed from back of control panel (9)
and remove valve (3).
(7) Note position of elbow (14) on valve (3).
(8) Remove elbow (14) and adaptor (2) from valve (3) and bag.
b.
Cleaning of Valve and Removed Components. Refer to Section VII to clean elbow, adaptor, tube assembly
and replacement valve as required.
c.
Installation.
(1) Apply anti-seizing tape (Item 16, Appendix D) to male pipe threads on elbow (14) and adaptor (2)
(2) Install adaptor (2) on valve (3).
(3) Install elbow (14) at side port of valve (3) and position elbow as previously noted.
(4) Remove button plug (10), nut (12), handle (11), and retaining nut (13) from new valve (3).
(5) Insert valve (3) through back of control panel (9) and temporarily secure by Installing retaining nut (13)
hand tight.
(6) Connect, but do not tighten, all connections for manifold tubes.
(7) Tighten screws (6) and nuts (7) on clamps (8) to secure manifold (5) to control panel (9).
(8) Connect tube assembly (1) to adaptor (2) on valve (3) and to elbow (4) on pressure regulator.
(9) Tighten all manifold tube (5) connections.
(10)
Tighten retaining nut (13).
(11)
Attach handle (11) to valve (3) with nut (12), then Install button plug (10).
(12)
Perform a leak check on all connections loosened during this task as prescribed In paragraph 4-20.
4-47
