TM 5-4220-233-14
(4) Pull retaining ring (11), pressure gauge (13), gasket (14) and attached fittings out of control panel (12)
Discard gasket.
(5) Note position of elbow (5) and tee fitting(3) with reference to case of pressure gauge then remove tee
fitting from pressure gauge (13).
b.
Cleaning of Pressure Gauge and Removed Components Refer to Section VII to clean elbow, CGA347
fitting, tee fitting, tube assembly, and replacement pressure gauge as required.
c.
Installation.
(1) Apply anti-seizing tape (Item 16, Appendix D) to male pipe threads on pressure gauge (13).
(2) Install tee fitting (3) onto pressure gauge (13), as previously noted.
(3) Install new gasket (14) onto case of pressure gauge (13) then insert gauge into control panel (12).
(4) Install retaining ring (11) over pressure gauge then secure to control panel (12) with three screws (8),
and attaching washers (9) and nuts (10).
(5) Connect tube assembly (4) to elbow (5) on tee fitting (3) and elbow (6) on 1/4-turn ball valve (7).
(6) Connect hose assembly (1) to CGA347 fitting (2).
(7) Perform a leak check on all connections loosened during this task as prescribed in paragraph 4-20.
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