TM 5-4310-379-14
4-34. Portable Air Filtration System Filter Assemblies (Cont).
d. Repair 5 and 10 Micron Air Filter Assemblies. (figure 4-49)
(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)
Unscrew base (3) and remove gasket (4), filter (5), gasket (6), top (7), and gasket (8).
(4)
Remove nut (9) and remove automatic drain (10) and gasket (11).
(5)
Clean all items with TSP ultrasonic cleaner w/heater following cleaning instructions In Chapter 3. Clean
components soft goods in accordance with Chapter 3.
(6)
Inspect shell (1) and cover (2) and replace if cracked or otherwise damaged.
(7)
Inspect base (3) and top (4) and replace if cracked or otherwise damaged.
(8)
Inspect automatic drain (10) and replace If cracked or otherwise damaged.
(9)
Inspect stud (12) and replace if bent, stripped or otherwise damaged.
(10)
Inspect gasket (4), gasket (6), gasket (8), gasket (11), and o-ring (13) and replace If cracked,tom, or otherwise
damaged.
(11)
Install gasket (8), top (7), gasket (6), filter (5), gasket (4) and secure with base (3).
(12)
Install automatic drain (10) and gasket (11) and secure with nut (9).
(13)
Install shell (1) and o-ring (13).
(14)
Install filter assemblies. See para. c. above.
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