TM 10-4320-345-13
4-27. PRESSURE REGULATING VALVE REPIAIR - cont.
(18) Screw valve (21) onto 1-inch nipple (22). Make sure valve is positioned so that handle is
pointing up when valve is open.
(19) Screw elbow (20) onto valve (21). Elbow must be positioned to allow connection of line (1).
Assemble Outlet Piping. Refer to figure 4-21.
(20) Screw bushing (19), 1½ inch nipple (18) and elbow (17) into pressure regulating valve (24).
(21) Screw 2 ½ -inch nipple (16) and valve (15) onto elbow (17). Position valve so that handle is
pointing up when valve is open. Make sure handle will not hit side of pressure regulating valve
(24) when handle is operated.
(22) Screw 3-inch nipple (14) and regulating valve (13) onto valve (15). Regulating valve must be
positioned as shown.
(23) Screw 1-inch nipple (12) and tee (11) onto regulating valve (13).
(24) Screw elbow (9) and restrictor (10) onto tee (11)
(25) Position line (1) between elbow (9) and elbow (20) Adjust position of elbows as required, then
connect both ends of line to elbows.
Assemble Inlet Piping. Refer to figure 4-21.
(26) Screw 1-inch nipple (5), elbow (6), 2-inch nipple (7) and strainer (8) into pressure regulating valve
(24)
(27) Screw valve (4) onto 1-inch nipple (5) Position valve so that handle is pointing up when valve is
open Make sure handle will not hit side of pressure regulating valve (24) when handle is operated
(28) Screw connector (3) onto valve (4).
(29) Connect line (2) between connector (3) and restrictor (10).
Install Valve. Refer to figure 4-22.
NOTES
Pressure regulating valve must be repositioned during installation to clear sides of frame.
Make sure body of pressure regulating valve is seated in saddles of frame.
(30) Using lifting device, carefully lower pressure regulating valve (9) into frame (10). Turn valve as
required to clear sides of frame.
4-68
