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
10. Set the RO product 3-way valves to the drain position (see Figure 8).
FROM AN RO
VESSEL TO THE
FROM A
DRAIN
MANIFOLD TO
THE DRAIN
BLACK PRODUCT HOSE
CLEAR DRAIN HOSE
TO DRAIN PRODUCT FROM THE
MANIFOLD AND RO ELEMENT
Figure 8. Product RO Element Three Way Valve in the Drain Position.
11. When water stops draining from a drain tube, disconnect the tube from its valve and hold the end
up to drain the residual water from the tube. Then reconnect the tube to its valve. (It is not
necessary to perform this step for a drain tube that is secured to its valve with a hose clamp.)
12. This completes the RO Preservation Flush for Extended Shutdown.
0025 00-8