ARMY TM 10-4610-309-14
MARINE CORPS TM10802A-14/1
0026 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR INSTRUCTIONS
MICRO-FILTRATION SYSTEM PRESERVATION OPERATION UNDER
USUAL CONDITIONS
10. Drain the remaining caustic solution from the MF modules as follows:
a. Set the SYSTEM MODE SWITCH to MF DRAIN.
b. Air purges the caustic solution from the MF and out the waste hose.
c. When complete (after about one minute), open MF drain valves V-203 and V-403 and
drain into buckets.
d. When water stops draining, disconnect each tube from its valve and hold the end up to
drain residual water from the tube. Then reconnect the tube to its valve (see Figure 5).
V-203
V-204
Figure 5. MF Drain Valves V-203 and V-403.
e. Empty the buckets into the cleaning waste tank if in use. Then close the tank.
f. Close the drains unless preparations are being made to move the TWPS.
g. Set the SYSTEM MODE SWITCH to Standby.
11. Flush the RO feed tank with product water as follows (see Figure 6 for valve location):
a. Open Main RO Feed Tank Drain Valve V-412.
b. Flush the RO feed tank with product water from the distribution system auxiliary hose.
c. While flushing the RO feed tank:
1) Place the drain hose from RO Feed Pump Drain Valve V-211 in a bucket. Open
the valve long enough for water from the RO feed tank to flow through and flush
the pump. Close the valve.
2) Place the drain hose from RO Feed Tank Auxiliary Drain Valve V-210 in a
bucket. Open the valve long enough for water from the RO feed tank to flow
through flush the valve. Close the valve.
3) Place the drain hose from RO Feed Pipe Drain Valve V-304 in a bucket. Open
the valve and drain water from the RO feed pipe into the bucket. Close the valve
when draining is done.
4) Stop flushing the RO feed tank with product water.
d. Perform the following steps for each of the valves V-211, V-210, and V-304:
1) Place the drain tube in a bucket.
2) Disconnect the drain tube from its valve and hold the end up to drain residual
water from the tube into the bucket.
3) Reconnect the tube to its valve.
e. Empty the bucket into the cleaning waste tank. Then close the waste tank.
0026 00-7
