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
c.
Direct the product utility hose to discharge into the RO feed tank through the open tank
cover (see Figure 6 for valve location).
d. Open Product Utility Valve V-511.
e. Open RO Clean Feed Valve V-701.
f. Close Clean Mixing Valve V-703.
1) The preservation solution is pumped from the RO feed tank through the RO and
out through the waste hose into the cleaning waste tank.
2) When the low level is reached in the RO feed tank, the pump stops and the alarm
sounds.
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 6. Valves for RO Preservation Flush
6.
Set the SYSTEM MODE SWITCH to Standby.
7.
Open Main Tank Drain Valve V-412 (see Figure 7 for valve location).
8.
When drained, flush the RO feed tank with product water from the distribution auxiliary hose.
9.
Open all RO system drain valves as follows (see Figure 7 for valve location):
a. RO Vessel Drain Valve V-408
b. RO Feed Tank Auxiliary Drain Valve V-210
c. Turbocharger Reject Side Drain Valve V-410
d. Turbocharger Feed Side Drain Valve V-303
e. Feed Piping Drain Valve V-304
f. HP Pump Outlet Drain Valves V-301 and V-302
g. RO Feed Pump Drain Valve V-211
0025 00-6
