ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
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TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR MAINTENANCE PROCEDURES
AIR SYSTEM
3. Remove the purifier cartridge as follows (see Figure 4):
a. Unscrew the filter head using the purifier chamber wrench.
b. Remove the two bolts on the bottom of the filter base (see Figure 3).
c. Unbolt and remove the retaining strap and tilt the filter assembly outward (see Figure 3).
d. Pull out the cartridge using the lifting ring on top of the cartridge
TOOL POST
PURIFIER CHAMBER WRENCH
FILTER HEAD
BACK-UP RING
LIFTING RING
O-RING
PURIFIER CARTRIDGE
NIPPLE
FILTER HOUSING
O-RING
BACK-UP RING
CHECK VALVE
FILTER BASE
Figure 4. AF2 Purifier Cartridge Replacement.
4. Prior to installing the new cartridge, perform the following steps:
a. Dry the inside of the filter housing with a clean, lint free cloth and check for corrosion.
b. Remove the protective sleeve from the new cartridge.
c. Remove the protective cap from both ends of the new cartridge.
5. Install the new cartridge. Be sure the nipple of the cartridge snaps into place (see Figure 4).
6. Reinstall the two bolts into the bottom of the filter base.
7. Reinstall the filter head.
8. Reinstall the retaining strap.
9. Close High Pressure Vent Valve V-904.
11. Check the filter assembly for leaks.
NOTE
If air is detected bleeding out of the bottom of the purification chamber, the
cartridge has not been installed properly or is missing.
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