ARMY TM 10-4610-309-14
MARINE CORPS TM10802A-14/1
0022 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR INSTRUCTIONS
REVERSE OSMOSIS SYSTEM ACID CLEANING OPERATION UNDER
USUAL CONDITIONS
RO ACID CLEANING
The procedures that follow describe the steps for performing RO Acid Cleaning.
1. Set up the Cleaning Waste Storage Tank if needed as follows (see Figure 1):
a. Set up the Waste Tank within 30 feet of the TWPS waste out connection. Face the
female tank connection toward the TWPS skid.
b. If the terrain allows, set the tank at an elevation so that the top of the full tank will be
below the bottom of the RO Feed Tank.
c. Connect an A-16 Adaptor to both connections on the waste tank. Close shut-off valve V-
706 on both of the A-16 adaptors.
d. Be sure that the zipper on the waste tank is zipped closed.
SHUT-OFF VALVE
V-706
ADAPTOR A-09
TOP
6 X 50 WASTE HOSE
VIEW OF
TWPS
4 X 5 S-HOSE
ADAPTOR A-16
CLEANING WASTE TANK STORAGE TANK
ADAPTOR A-16
Figure 1. Cleaning Waste Storage Tank Set-Up.
e. In combat deployment the waste may be discharged into a depression in the ground
located at an elevation below the TWPS.
2. Shutdown the TWPS to the Standby condition and drain the TWPS as follows (see Figure 2 for
valve location):
a. Perform a Standby Shutdown Without Draining Down as described WP 0017,
Standby or Short Term Shutdown.
b. Do not shut off the TQG and leave the air compressor on.
c. Open main RO Feed Tank Drain Valve V-412 to drain the RO feed tank.
d. Open RO Vessel Drain Valve V-408.
e. Open HP Pump Outlet Drain Valves V-301 and V-302.
f. Open RO Feed Piping Drain Valve V-304.
g. Open RO Feed Pump Drain Valve V-211.
h. Close Main RO Feed Tank Drain Valve V-412 and RO Feed Pump Drain Valve V-211
when the tank is drained.
i. Close valves V-408, V-301, V-302, and V-304 when the RO vessels are drained.
0022 00-2
