ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
0017 00
OPERATOR INSTRUCTIONS
STANDBY OR SHORT-TERM SHUTDOWN OPERATION UNDER
USUAL CONDITIONS
e. If not yet shut down, stop the P-1 diesel driven pump as described in Raw Water Diesel
Engine Shutdown at the end of this work package. Open the pump drain valve.
f. If in use, open the Raw Water Pump P-2 drain valve.
g. Remove the suction hose at the suction inlet of the first raw water pump.
h. Pull the hose out of the water source and drain it. Disconnect the ice hole strainer.
i. Remove Adaptor A-01.
j. Do not disconnect the hose heater blanket and pump heater collar electrical power
cables.
8. Drain the RO System as follows:
a. Open RO Vessel Drain Valve V-408. Direct the hose off the skid and into a bucket to
avoid freezing of the hose end.
b. Force-air drain the RO elements and feed/reject piping as follows (see Figure 7):
1) Connect one end of the auxiliary air hose (from BII) to the quick-disconnect fitting
above the compressor and opposite Pressure Gauge PI-902.
2) Connect the other end of the auxiliary air hose to the quick-disconnect fitting at
the RO Air Purge Valve V-913 in the feed inlet to RO vessel #1.
3) Partially open Air Purge Valve V-913.
3-WAY VALVE
RO AIR PURGE VALVE V-913
QUICK-DISCONNECT FITTINGS
PI-902
Figure 7. Auxiliary Air Hose Quick Disconnect Connections.
c.
Set the Product RO Element 3-way Valves V-501 through V-510 to the drain position
while force air draining the RO elements. (Position each 3-way valve handle so that the
middle pointer points toward the RO Vessel. See Figure 8.)
0017 00-11
