TM 10-4610-243-13
4-18.
WATER PRESSURE REGULATOR ASSEMBLY REPAIR - cont.
d.
Repair. Replace worn damaged parts and all sealing components. If piston (29) or cylinder (27) is worn,
replace both components.
e.
Assembly.
Assemble regulator assembly. Refer to figure 4-17.
(1)
Install gasket(13) on plug (12).
(2)
Position body(18) so that opening for plug (11) is pointing up.
(3)
Install cylinder (17) in body(18).
(4)
Position strainer screen (16) over cylinder (17), then install piston (15), and spring (14) in cylinder.
(5)
Screw plug(12) into body (18). Make sure parts fit into body correctly.
(6)
Turn body (18) over so that plug (12) is pointing down. Position button (11) on post of piston (15)
sticking up through cylinder (17). Make sure button is centered on piston.
NOTE
Diaphragm consists of four metal discs.
(7)
Position diaphragm (10) and pressure plate (9) on body (18).
(8)
Position pressure spring (8) and spring button (7) on pressure plate (9).
(9)
Lower spring chamber (6) onto body (18). Make sure pressure plate (9), spring (8), and spring button
(7) remain centered on diaphragm (10).
(10)
Install two screws (5) and nuts (4) in body (18) and spring chamber (6). Screws must be installed in
holes marked during removal.
(11)
Install tag (3), locknut (2) and adjusting screw (1).
Install regulator assembly on mount. Refer to figure 4-10.
(12)
Apply anti-seize tape to threads of male coupling (21). Install coupling on regulator assembly (3).
NOTES
Ensure gasket is fully seated in groove of coupling cap.
(13)
Install gasket (19) in cap (20).
(14)
Connect cap (20) and attached chain to male coupling (21) with ring (18).
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