ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0055 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
AIR SYSTEM, REDUCED PRESSURE
Vent Valve V-910 Replacement:
Parts:
Vent Valve V-910 (TM 10-4610-309-24P)
Material:
Tape, antiseizing (WP 0079, Table 1, item 43, 44)
Equipment Condition:
TWPS in Standby Shutdown Without Draining Down
Army: Generator off and TWPS main breaker off
Marine Corps: TWPS disconnected from power source
Entire air system bled down
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 Vent Valve V-910 as follows:
1. Make sure the air system has been bled down. Refer to ENTIRE AIR SYSTEM BLEED DOWN.
2. Remove the Air System Section 6 assembly from the TWPS. Refer to REPLACE and Air
System Section 6 Assembly.
3. Disconnect Vent Valve V-910 from the 1/2-in. tee that is also connected to Shutoff Valve V-909
(see Figure 13):
SHUTOFF VALVE V-909
1/2-IN. TEE
1/2" CLOSE NIPPLE
VENT VALVE V-910
Figure 13. Vent Valve V-910.
055 00-20
