ARMY TM 10-4610-309-14
MARINE CORPS TM10802A-14/1
0025 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR INSTRUCTIONS
REVERSE OSMOSIS SYSTEM PRESERVATION OPERATION UNDER
USUAL CONDITIONS
e. Check the Adaptor A-10, A-12, and A-16 connections to make sure that there are gaskets
inside the female ends and that the connections are tight to prevent solutions from
leaking at the adaptor connections.
3. Prepare water for the RO preservation flush as follows (see Figure 4 for valve location):
a. Make sure Main RO Feed Tank Drain Valve V-412 is closed.
b. Close MF Clean Feed Valve V-704.
c. Open Clean Mixing Valve V-703.
d. Close RO Clean Feed Valve V-701.
e. Close HP Pump Inlet Valve V-212.
f. Close Clean Return Valve V-702.
CLEAN RETURN VALVE V-702
HPP INLET VALVE V-212
MF CLEAN FEED VALVE V-704
CLEAN MIXING VALVE V-703
RO CLEAN FEED VALVE V-701
RO FEED TANK MAIN DRAIN VALVE V-412
Figure 4. Valves for Preparing Water for RO Preservation Flush.
g. Set the SYSTEM MODE SWITCH to RO CLEAN.
h. Using the distribution system auxiliary hose, fill the RO feed tank to about 3 in. above the
bottom of the baffle plate (about the 45% level).
i. Reset the RO feed tank low alarm.
j. Start the RO feed pump. This circulates solution through the RO feed pump and back
into the RO feed tank through Clean Mixing Valve V-703 to provide mixing when bisulfite
is added to the water.
0025 00-4
