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
d. Direct the product utility hose to discharge into the RO feed tank through the open tank
cover (see Figure 14 for valve location).
e. Open Product Utility Valve V-511.
f. Open RO Clean Feed Valve V-701.
g. Open Clean Return Valve V-702.
h. Close Clean Mixing Valve V-703.
i. Continue recirculation for one hour.
PRODUCT UTILITY VALVE V-511
CLEAN RETURN VALVE V-702
PRODUCT UTILITY HOSE
RO TANK COVER
CLEAN MIXING VALVE V-703
RO CLEAN FEED VALVE V-701
Figure 14. Valves for RO Preservation.
6. Drain the RO vessels and RO feed tank as follows:
a. Stop the RO feed pump.
b. Close Clean Return Valve V-702.
c. Open Adaptor A-12 Valve V-705 on the cleaning waste hoses (see Figure 10 or Figure
11.
d. Start the RO Feed Pump.
1) The preservation solution is pumped from the tank through the RO and out
through the waste hose into the cleaning waste tank.
2) When the low level is reached, the pump stops and the alarm sounds.
e. Open Main Tank Drain Valve V-412 (see Figure 15 for valve location).
f. When drained, flush the tank with product water from the distribution auxiliary hose.
g. Open all RO system drain valves (see Figure 15 for valve location).
1) RO Vessel Drain Valve V-408
2) RO Feed Tank Auxiliary Drain Valve V-210
3) Turbocharger Reject Side Drain Valve V-410
4) Turbocharger Feed Side Drain Valve V-303
5) Feed Piping Drain Valve V-304
6) HP Pump Outlet Drain Valves V-301 and V-302
7) RO Feed Pump Drain Valve V-211
0025 00-13
