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
Air System Section 3 Assembly Replacement:
Parts (TM 10-4610-309-24P):
Air System Section 3 Assembly
Material Required:
Tape, antiseizing (WP 0079, Table 1, item 43, 44)
Personnel Required:
Two
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 the Air System Section 3 assembly 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 3 assembly as follows (see Figure 2):
a. Tag and disconnect the air supply hose from the Air System Section 3 assembly.
b. Tag and disconnect the hose from the Section 3 outlet that goes to CO2 coalescer.
c. Tag and disconnect the hose from the Section 3 outlet that goes to MF Assembly Check
Valve V-911.
d. Tag and disconnect the hose from the Section 3 outlet that goes to the Air System
Section 4 assembly Solenoid Valve XV-902.
e. Tag and disconnect the hose from the Section 3 outlet that goes to the Air System
Section 4 tee pipe.
f. Tag and disconnect the electrical wiring from Solenoid Valve XV-901.
g. Tag and disconnect the electrical wiring from Solenoid Valve XV-903.
h. Cut the tie-wrap on the PT-201 HP pump inlet pressure transmitter cable from Air System
Section 3 Assembly.
055 00-3
