ARMY TM 10-4610-309-14
MARINE CORPS TM10802A-14/1
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TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR MAINTENANCE PROCEDURES
SERVICE UPON RECEIPT
Maintenance Level:
Operator
Parts (TM 10-4610-309-24P):
10 RO elements (fluid filter element) with one brine seal on each element
10 straight adapters with two o-rings and one seal on each adapter
5 solid interconnecters
20 o-rings (four for each solid interconnecter)
5 thrust rings
Materials:
Pad, scouring (WP 0079, Table 1, item 31)
Mild soap solution
Glycerin (WP 0079, Table 1, item 21)
Clean water
Antiseizing tape (WP 0079, Table 1, item 43, 44)
Equipment Condition:
TWPS shut down and fully drained
1. Remove the following piping (see Figure 1):
a. For RO element 10:
1) Remove the grooved coupling at the RO reject port.
2) Remove the grooved coupling in the U-shaped RO reject pipe run.
3) Disconnect the hose from Main Pressure Control Valve HCV-401.
4) Disconnect the hose from Auxiliary Pressure Control Valve HCV-401A.
5) Remove the flex strut pipe support that secures the RO reject pipe run to the
floor.
6) Remove the RO reject pipe run that includes Main Pressure Control Valve HCV-
401, Auxiliary Pressure Control Valve HCV-401A, Pressure Indicator PI-401, and
RO Vessel Drain Valve V-408.
b. For RO Element 5:
1) Disconnect the sample/drain hose from MF Filtrate Sample Valve V-204.
2) Remove MF Filtrate Sample Valve V-204 to provide room to install the RO
elements after the RO element simulator has been removed.
c. For RO Element 8:
1) Remove the two sanitary clamps from the MF lower shell backwash pipe run.
2) Remove the pipe section that was secured by the two sanitary clamps and
remove the two sanitary clamp gaskets.
d. For all RO Elements:
1) Tag and remove the black product water hoses from the 3-way valves.
2) Tag and remove the clear sample/drain hoses from the 3-way valves.
3) Tag and remove the grooved couplings and feed/reject pipes from the RO vessel
feed/reject ports.
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