TM 10-4610-237-12
4.21 CHECK VALVE ASSEMBLY (2-INCH) REPAIR - Continued.
e.
Assembly. Refer to Figure 4-11.
(1)
Position disc (15) on lever (14) and secure with nut (13).
(2)
Lower lever (14) and attached parts into body (16). Make sure sealing surface of disc (15) is
positioned as shown.
(3)
While alining hole in lever (14) with hole in body (16), insert pin (12) through body and lever. Make
sure pin is fully seated.
NOTE
Ensure that anti-seize tape is applied in the same direction as the threads.
(4)
Apply anti-seize tape to threads of plug (11). Install plug in body (16).
(5)
Apply anti-seize tape to threads of cap (10). Install cap (10) on body (16).
(6)
Apply anti-seize tape to threads of female coupling (2). Screw female coupling into assembled valve
(9).
NOTE
Ensure gasket is fully seated in groove of coupling.
(7)
Install gasket (8) in female coupling (2).
(8)
Apply anti-seize tape to threads of male coupling (5). Screw male coupling (5) into assembled valve
(9).
(9)
Install gasket (7) in dust cap (6).
(10) Connect split ring (4) to male coupling (5).
(11) Install dust cap (6) on male coupling (5).
(12) Install split ring (1) on female coupling (2).
(13) Install dust plug (3) on female coupling (2).
(14) Install check valve assembly in water system (para 3.4b).
(15) Start up water system (para. 2.9c) and inspect check valve assembly for leaks.
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