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
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 6 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 6 assembly as follows (see Figure 10):
a. Tag and disconnect the hose from the reducer coupling at the inlet to CO2.
b. Tag and disconnect the hose from the reducer coupling at the valve end of Section 6.
CAUTION
Two people are required to safely remove the Air System Section 6 assembly from
the TWPS. Failure to observe this warning may result in damage to equipment.
c.
With another person holding the Air System Section 6 assembly, disconnect the
mounting hardware that attach the assembly to the TWPS.
d. Remove the assembly from the TWPS and place it on a clean workbench.
REDUCER COUPLING AT VALVE END OF SECTION 6
SHUTOFF VALVE V-909
INLET TO CO2
VENT VALVE V-910
Figure 10. Air System Section 6 Assembly.
055 00-16