TM 10-4610-237-12
2.8
INITIAL ADJUSTMENT.
a.
Hoses, Couplings and Valves.
(1)
Verify that all quick disconnect couplings are securely connected and locked.
(2)
Verify that caps and plugs are installed on all open tees, fittings, and hoses.
(3)
Inspect suction and discharge hoses for kinks. Straighten out kinks and tight bends.
(4)
Verify that all gate valves are closed.
b.
20K Collapsible Fabric Tank. Perform initial adjustments in accordance with the applicable TM.
c.
125 GPM Pump. Perform initial adjustments in accordance with the applicable TM.
d.
Hypochlorination Unit. Perform initial preparation in accordance with the applicable TM.
2.9
OPERATING PROCEDURES.
a.
General. The 20K Water Storage and Distribution System has two primary modes of operation, fill and
discharge. In the fill mode, water is drawn from the water source and stored in the water tank. During
discharge, water is removed from the water tank and pumped to the distribution points. The water system
cannot operate in both fill mode and discharge mode at the same time.
b.
Water System Diagram. Refer to Figure 2-9. Water flow to and from the collapsible fabric tank is controlled
by gate valves identified by the prefix "V." By opening or closing the respective gate valves, the tank may be
filled or discharged.
c.
Startup. Refer to Figure 2-9.
Fill Mode.
NOTE
The following procedure describes filling of collapsible water tank.
(1) Open gate valves Vl, V5, V6 and V3.
CAUTION
The 125 gpm pump volute must be filled with water before operating. Damage to the pump can
occur.
(2)
Start and operate the 125 gpm pump. Refer to the applicable TM.
(3)
Allow water to flow into the tank until full, or required amount of water is stored (refer to the applicable
TM), then close gate valve V3.
(4)
When fill mode is complete, shut down 125 gpm pump (refer to the applicable TM) and close gate
valves VI, V5 and V6.
2-26
