TM 10-4320-317-13
g. Install Pressure-Reducing Valves. Perform the following (Figure 2-15):
Figure 2-15. Pressure-Reducing Valve
(1)
Locate 6-inch boltless coupling (1) connecting hoseline lengths where pressure-reducing valve is to be
installed.
(2)
Locate 6-inch pressure-relief valve (2) with attached 6-inch boltless coupling (3). Remove 6-inch boltless
coupling (3) (para. 2-8.c.).
(3)
Install 6-inch pressure-relief valve (2) on inlet connection (4) of pressure-reducing valve. Use 6-inch boltless
coupling (3) removed from pressure-relief valve (2) in step (2).
(4)
Connect upline hoseline length (5) to 6-inch pressure-relief valve (2). Use 6-inch boltless coupling (1) from
hose connection in step (1) above (para. 2-8.b.).
(5)
Connect downline hoseline length (6) to outlet connection (7) on pressure-reducing valve with 6-inch boltless
coupling (8) (para. 2-8.b.).
(6)
Place isolation cock valves (9) in open position.
h. Assemble Lead Pumping Station. Perform the following (Figure 2-16):
Figure 2-16. Lead Pumping Assembly
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