TM 10-4320-317-13
Figure 2-40. Disassemble Road Crossing Guard
(3)
Clean road crossing guards and transport them to lead pumping installation site for final packing.
f. Disassemble Boost Pumping Station. Perform the following (Figure 2-41):
(1)
Disconnect 10-mile segment collapsible hose assembly (1, Figure 2-41) from lateral grooved wye-coupling
(2)
by removing 6-inch boltless coupling (3) (para. 2-8.c).
(2)
Disconnect 6 in. X 75 ft discharge hose (4) from lateral grooved wye-fitting (2) by removing 6-inch boltless
coupling (5) (para. 2-8.c.).
(3)
Remove lateral grooved wye-fitting (2) from 6-inch butterfly valve (6) by removing 6-inch boltless coupling (7)
(4)
Remove butterfly valve (6) from 6 in. X 20 ft discharge hose (7) by removing 6-inch boltless coupling (8) (para.
(5)
Remove 6 in. X 20 ft discharge hose (7) from pressure-relief valve assembly (9) by removing 6-inch boltless
coupling (10) (para. 2-8.c.).
(6)
Remove pressure-relief valve assembly (9) from 6-inch check valve (11) by removing 6-inch boltless coupling
(12) (para 2-8.c.).
(7)
Remove 6-inch check valve (11) from pump discharge line (13) by removing 6-inch boltless coupling (14)
(8)
Install plastic cap on pump discharge line (13).
(9)
Remove 6 in. X 75 ft discharge hose (4) from 6-inch butterfly valve (15) by removing boltless coupling (16)
2-62
