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
Replace Pressure Gauge PI-903 as follows:
1.
Make sure the air system has been bled down. Refer to ENTIRE AIR SYSTEM BLEED DOWN.
2.
Unscrew Pressure Gauge PI-903 from its pipe tee (see Figure 5):
3.
Clean and apply antiseizing tape to the threads of the new Pressure Gauge PI-903.
4.
Thread the new pressure gauge into the pipe tee and tighten in the position shown in Figure 5.
5.
Check the new Pressure Gauge PI-903 for leaks.
PRESSURE
GAUGE PI-903
PIPE
TEE
Figure 5. Pressure Gauge PI-903.
Solenoid Valve XV-903 Replacement:
Parts:
Solenoid Valve XV-903 (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.
055 00-9
