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
Acid Cleaning Solution Preparation
1. Remove the 3-in.hose from the TWPS inlet and cap the inlet.
2. Prepare water for the RO and MF acid clean as follows (see Figure 3 for valve location):
a. Begin this step as soon as the second backwash is complete.
b. Make sure the RO feed tank is drained.
c. Close RO Vessel Drain Valve V-408.
d. Close RO Feed Tank Drain Valves V-210 and V-412.
e. Open Clean Mixing Valve V-703
f. Close RO Feed Piping Drain Valve V-304.
g. Close HPP Outlet Drain Valves V-301 and V-302.
h. Close RO Feed Pump Drain Valve V-211.
i. Close HPP Inlet Valve V-212.
HPP INLET VALVE V-212
CLEAN MIXING
VALVE V-703
RO VESSEL DRAIN
VALVE V-408
RO FEED PIPING
DRAIN VALVE V-304
HPP OUTLET DRAIN VALVE V-302
RO FEED TANK
HP PUMP OUTLET
MAIN DRAIN VALVE V-412
DRAIN VALVE V-301
RO FEED TANK
RO FEED PUMP DRAIN VALVE V-211
AUXILIARY DRAIN VALVE V-210
Figure 3. Valves for Preparing Acid Cleaning Solution for MF and RO Acid Cleaning.
j.
Using the distribution system auxiliary hose, fill the RO feed tank to just over the top of
the baffle plate (90-95% level) with product water from the distribution system.
0024 00-5
