TM 5-4220-233-14
(1) Disconnect tubes on low pressure manifold (1) at all connection points.
(2) Loosen, but do not remove, screws (2) and nuts (3) on clamps (4) securing low pressure manifold (1) to
control panel (5).
(3) Unsnap button plug (6) from handle (7) on valve (8) and remove nut (9) and handle (7) from valve (8).
(4) Remove retaining nut (10) from valve (8).
(5) Pull back on manifold tube (1) enough to allow valve (8) to be removed from back of control panel (5)
and remove valve (8).
(6) Remove adaptor (11) from valve (8) and bag.
b.
Cleaning of Valve and Removed Components. Refer to Section VII to clean adaptor, tube assembly and
replacement valve as required
c.
Installation.
(1) Apply anti-seizing tape (Item 16, Appendix D) to male pipe threads on adaptor (11).
(2) Install adaptor (11) on valve (8).
(3) Remove button plug (6), nut (9), handle (7), and retaining nut (10) from new valve(8).
(4) Insert valve (8) through back of control panel (5) and temporarily secure by installing retaining nut (10)
hand tight.
(5) Connect, but do not tighten, all connections for manifold tubes (1).
(6) Tighten screws (2) and nuts (3) on clamps (4) to secure manifold (1) to control panel (5).
(7) Tighten all manifold tube (1) connections.
(8) Tighten retaining nut (10).
(9) Attach handle (7) to valve (8) with nut (9), then Install button plug (6).
(10) Perform a leak check on all connections loosened during this task as prescribed in paragraph 4-20.
4-45
