ARMY TM 10-4610-309-14
MARINE CORPS TM10802A-14/1
0024 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR INSTRUCTIONS
MICRO-FILTRATION SYSTEM CLEANING WITH REVERSE OSMOSIS
SYSTEM ACID CLEANING OPERATION UNDER USUAL CONDITIONS
7. Flush the RO feed tank with product water as follows (see Figure 11 for valve location):
a. Open Main RO Feed Tank Drain Valve V-412 to drain the remaining solution.
b. Flush the RO feed tank with water using the distribution system auxiliary hose to remove
residual cleaning solution.
c. While flushing the RO feed tank:
1) Place the hose from RO Feed Pump Drain Valve V-211 into a bucket. Open the
valve just long enough to flush the pump, then close the valve.
2) Place the hose from HP Pump Outlet Drain Valve V-301 into a bucket. Open the
valve. Drain the remaining solution into the bucket. Close the valve when
draining is completed.
3) Place the hose from RO Feed Piping Drain Valve V-304 into a bucket. Open V-
304 and V-701. Drain the remaining solution into the bucket. Close both valve
when draining is completed.
4) Place the hose from HP Pump Outlet Drain Valve V-302 into a bucket. Open the
valve. Drain the remaining solution into the bucket. Close the valve when
draining is completed.
5) Empty the bucket(s) into the 1500-gallon cleaning waste storage tank.
d. After flushing the RO tank, allow the tank to drain then close RO Tank Drain Valve V-412.
HP PUMP OUTLET
DRAIN VALVE V-302
RO CLEAN FEED VALVE V-701
RO FEED PIPE DRAIN VALVE V-304
HP PUMP OUTLET
DRAIN VALVE V-301
RO FEED TANK MAIN DRAIN VALVE V-412
RO FEED PUMP DRAIN VALVE V-211
Figure 11. Valves for Flushing the RO Feed Tank.
0024 00-14