TM 5-4310-386-14
5-18. Interfilter 2nd and 3rd State Housing (Cont).
(5)
Apply petroleum jelly to preformed packing (9).
(6)
Install preformed packing (9) and housing (3) andsecure with four screws (7).
(7)
Install safety valve (5) and tighten fitting nut (4).
(8)
Install safety valve (2) and tighten fitting nut (1).
b.
Repair. (figure 5-25)
WARNING
Cleanliness is imperative in maintaining and handling diving system components. All tools and
parts must be kept free of oil, grease, rust, or other contamination in accordance with Chapter 4,
Section VII of this manual. Foreign substances within an assembly could result in equipment
failure and possible injury or death to personnel.
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.
(1)
Remove interfilter 2nd and 3rd stage housing (para. a. above).
(2)
Remove screw (1), pressure spring (2), funnel (3), and preformed packing (4) from housing (5).
(3)
Remove reducer (6) and seal ring (7) with inspection pipe from housing (5).
(4)
Remove male connector (8) and seal ring (9) from housing (5).
(5)
Remove seal ring (10) and intermediate piece (11) from housing (5).
(6)
Clean all components in accordance with Chapter 4, Section Vl.
(7)
Inspect housing for cracks, stripped threads, or other damage.
(8)
Install seal ring (10) and intermediate piece (11) on housing (5).
(9)
Install seal ring (9) and male connector (8) on housing (5).
(10)
Install reducer (6) and seal ring (7) with inspection pipe in housing (5).
(11)
Install preformed packing (4), funnel (3), pressure spring (2), and screw (1) into housing (5).
(12)
Install interfilter 2nd and 3rd stage housing (para. a. above).
5-82