ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0070 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
DIRECT SUPPORT MAINTENANCE PROCEDURES
REVERSE OSMOSIS SYSTEM
2. Remove the following connections from the front and bottom of the RO feed tank (see Figure 2):
a. Unscrew and remove RO Feed Tank Auxiliary Drain Valve V-210 from the tank.
b. Loosen the three hose clamps that secure a hose to the re-circulation pipe and the tank.
Pull the re-circulation pipe and hose off the tank adapter. Inspect the hose for damage or
deterioration and replace if needed.
c. Disconnect the cable to Level Transmitter LT-201. Unscrew and remove the elbow pipe
and transmitter from the tank.
d. Loosen the four hose clamps that secure the cleaning return pipe to the tank adapter.
Pull the cleaning return pipe and hose off the tank cleaning return inlet adapter. Inspect
the hose for damage or deterioration and replace if needed.
e. Loosen the four hose clamps that secure a hose to the tank outlet pipe and the RO feed
pump suction pipe. If necessary, remove the four cap screws, washers, and nuts that
secure the suction pipe to the inlet flange of the RO feed pump. Pull the hose off the tank
outlet pipe. Inspect the hose for damage or deterioration and replace if needed.
f. Remove the HP pump cooling water return tubing from the tee connection and unscrew
the tee from the tank.
TEE
HOSE AND CLAMPS FOR
HOSE AND CLAMPS FOR
CLEANING RETURN PIPE
RECIRCULATION PIPE
HP PUMP COOLING
WATER RETURN TUBING
RO FEED TANK
OUTLET PIPE
HOSE AND CLAMPS
FOR TANK OUTLET
TO RO FEED PUMP
RO FEED PUMP
AUXILIARY DRAIN VALVE V-210
SUCTION PIPE
CAP SCREW
NUT
RO FEED PUMP INLET FLANGE
LEVEL TRANSMITTER LT-201
Figure 2. RO Feed Tank Front and Bottom Connections Removal.
0070 00-3
