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
4. Remove the upper MF backwash pipe section as follows (see Figure 4):
a. While one person supports the upper MF backwash pipe section, remove the following
components from the pipe section:
1) Tag and disconnect the air tubing from the actuator for Valve V-401.
2) Remove the pipe coupling that connects the upper MF backwash pipe section to
the waste out pipe section.
3) Inspect the pipe coupling gasket for damage or deterioration and replace if
needed.
4) Remove the sanitary clamp at the top right end of the upper MF backwash pipe
section.
5) Inspect the sanitary clamp gasket for damage or deterioration and replace if
needed.
6) Unclamp the flex strut pipe support in the middle of the upper MF backwash pipe
section.
b. Lift the upper MF backwash pipe section out.
SANITARY CLAMP
RO FEED TANK
V-401 ACTUATOR
SHELL BACKWASH
UPPER MF
UPPER OUTLET
BACKWASH
VALVE V-401
PIPE SECTION
FLEX STRUT
PIPE SUPPORT
PIPE
COUPLING
WASTE OUT PIPE SECTION
Figure 4. Upper MF Backwash Pipe Section Removal.
0070 00-5