ARMY TM 10-4610-309-14
MARINE CORPS TM10802A-14/1
0021 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR INSTRUCTIONS
MICRO-FILTRATION SYSTEM 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 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 Feed Tank Drain Valves V-210 and V-412.
d. Open Clean Mixing Valve V-703.
e. Close HP Pump Inlet Valve V-212.
f. Close RO Feed Pump Drain Valve V-211.
HPP INLET VALVE V-212
CLEAN MIXING
VALVE V-703
RO FEED TANK MAIN
DRAIN VALVE V-412
RO FEED TANK AUXILIARY
DRAIN VALVE V-210
RO FEED PUMP DRAIN VALVE V-211
Figure 3. Valves for Preparing Acid Cleaning Solution for MF Acid Cleaning.
0021 00-5
