TM 10-4610-310-14
UNIT MAINTENANCE
LIGHTWEIGHT WATER PURIFIER
REVERSE OSMOSIS MODULE
PRESSURE VESSELS AND PIPING
REMOVAL/INSTALLATION
INITIAL SETUP
Tools
Personnel Required
Shop equipment, automotive, common 1 and 2
2
Removal tool, retaining ring.
Material/Parts
Equipment Condition Required
Tape, anti-seize, (item 28, WP 0136 00)
All equipment de-energized. Hoses
Rags, cotton, (item 21, WP 0136 00)
disconnected from RO element module.
Vessel assembly, pressure, (PN 3900388001) (RO2,
RO5, RO6)
Vessel assembly, pressure,( PN 3900388002) (RO3,
RO7)
Vessel assembly, pressure, (PN 3900388003) (RO4)
Vessel assembly, pressure, (PN 3900388004) (RO1)
Compound, O-ring, lubricant (item 13, WP 0136 00)
O-rings, (PN 1-331 or 2-331, 1-210 or 2-210)
GENERAL
This work package contains information and instructions for replacement of the RO piping including pressure
vessel, reject piping, reject valve assembly and pressure gauge in the Reverse Osmosis (RO) element module
used on the Lightweight Water Purifier (LWP).
REMOVAL
1. Remove sampling valve from pressure vessel assembly. See WP 0045 00.
2. Remove retaining ring, end cap, plug, membrane and O-ring from pressure vessel assembly. See WP 0045
1. Remove two nuts and bolts on Victaulic clamp. See Figure 1.
VICTAULIC
NUT
ADAPTER
VICTAULIC
CLAMP
BOLT
GASKET
Figure 1. Pressure Vessel Clamp Arrangement.
