ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
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TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
FEED FLOW CONTROL PANEL
Feed Control Selector Valve V-914 Replacement:
Parts:
Feed Control Selector Valve V-914 (TM 10-4610-309-24P)
Equipment Condition:
TWPS in Standby Shutdown Without Draining Down
Army TWPS: Generator off and TWPS main breaker off
Marine Corps TWPS: TWPS disconnected from power source
WARNING
The TWPS must be in Shutdown and the TQG and TWPS main breaker must be off
(Army) or the TWPS disconnected from its power source (Marine Corps) prior to
performing maintenance on the TWPS Air System. Failure to observe this warning
can result in injury to personnel and damage to equipment.
High pressure. The air system contains air pressure up to 1800 psig. The air
system must be bled prior to performing maintenance on components of the air
system. Failure to observe this warning can result in injury to personnel and
damage to equipment.
Replace Feed Control Selector Valve V-914 as follows:
1. Remove Feed Control Selector Valve V-914 from the feed flow control panel assembly as follows
(see Figure 6):
a. Bleed the air system. Refer to AIR SYSTEM BLEED DOWN PROCEDURES.
b. Position the selector valve in the manual feed position.
c. Disconnect the tubing from the selector valve.
d. Loosen the setscrew on the selector knob and remove the selector knob.
e. Remove the flat nut that holds the selector valve to the feed flow control panel and
remove the selector valve.
f. Loosen the ferrules on the selector valve and remove and retain the tubes from the valve.
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