TM 10-4610-234-13
4.28.1 CHECK VALVE ASSEMBLY MAINTENANCE (MODEL ALP9440) (continued)
f. Assembly.
NOTE
Disc sealing surface must face inlet side of valve.
(1) Position disc assembly (12) in valve body (13).
(2) Push pin (10) through valve body (13) and into lever of disc assembly (12).
(3) Apply anti-seize tape to threads of threaded plug (11). Screw threaded plug (11) into valve
body (13).
(4) Apply anti-seize tape to threads of valve body cap (9). Using pipe wrench, install valve body
cap (9) in valve body (13).
NOTE
Ensure male coupling half (5) is installed on outlet side of valve. See water flow arrow on valve body (13)
(5) Apply anti-seize tape to threads of male and female coupling halves (5 and 6).
(6) Using pipe wrench, screw male coupling half (5) into outlet side of valve body (13).
(7) Using pipe wrench, screw female coupling half (6) into inlet side of valve body (13).
NOTE
Ensure gasket is fully seated in groove of each coupling half
(8) Install gasket (7) in female coupling half (6).
(9) Install gasket (8) in cap (1).
g. Installation. Connect check valve to water system (refer to para. 2.10 to connect couplings).
4-40.2 Change 2
