TM 10-4610-310-14
DIRECT SUPPORT/GENERAL SUPPORT MAINTENANCE
LIGHTWEIGHT WATER PURIFIER
REVERSE OSMOSIS ELEMENT MODULE
NEEDLE VALVE ASSEMBLY
DISASSEMBLY/REPAIR/ASSEMBLY
INITIAL SETUP
Tools
General Safety Instructions
Shop equipment, automotive, common No. 1 and 2
Observe all CAUTIONS
Vise, bench mounted
Wrench, strap
Removal/installation tool, valve seat
Equipment Condition Required
Materials/Parts
All equipment shut down.
Seat, needle valve, (PN N08367)
Circuit breaker CB1 in OFF position
O-rings, (PN 80014, 80011, 80110, 80131)
Compound, O-ring, lubricant (item 13, WP 0136 00)
GENERAL
This work package contains information and instructions repairing the 0.5-inch needle valve on the Reverse
Osmosis (RO) element module used on the Lightweight Water Purifier (LWP). The valve is used for controlling
reject fluid.
DISASSEMBLY
1. Remove nut (2) and washer (3) from handle (4). See Figure 1.
Figure 1. Reject Control Needle Valve.
