TM 5-4310-379-14
4-34. Portable Air Filtration System Filter Assemblies (Cont).
e. Repair Coalescing Air Filter Assembly. (figure 4-50)
(1)
Remove filter assembly. See para. c. above.
WARNING
Ensure that all air lines and components removed or openings into the air system that provides
breathing air are covered with a plastic bag and secured with a rubber band or taped shut. Small
components should be stored in a plastic bag and sealed. Failure to do so will cause air system to
become contaminated and could result in injury or death to the diver.
(2)
Unscrew shell (1) from cover (2).
(3)
Remove filter (3) and o-ring (4).
(4)
Remove nut (5) and remove automatic drain (6) and gasket (7).
(5)
Remove two screws (8) and remove differential pressure indicator (9) and o-ring (10).
(6)
Clean all items with TSP ultrasonic cleaner w/heater following cleaning instructions in Chapter 3. Clean
components soft goods in accordance with Chapter 3.
(7)
Inspect shell (1) and cover (2) and replace if cracked or otherwise damaged.
(8)
Inspect filter (3) and replace if ripped or otherwise damaged.
(9)
Inspect o-ring (4), gasket (7), o-ring (10), and o-ring (11) and replace if torn, cracked, or otherwise damaged.
(10)
Inspect differential pressure indicator (9) and replace if cracked or otherwise damaged.
(11)
Inspect stud (12) and replace if bent, stripped or otherwise damaged.
(12)
Install filter (3) and o-ring (4).
(13)
Install differential pressure indicator (9) and o-ring (10) and secure with two screws (8).
(14)
Install automatic drain (6) and gasket (7) and secure with nut (5).
(15)
Install shell (1) and o-ring (11).
(16)
Install filter assembly. See para. c. above.
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