TM 5-4310-386-14
5-18. Interfilter 2nd and 3rd Stage Housing.
This task covers:
a.
Replace
b
Repair
INITIAL SETUP
Tools
Equipment Condition
General Mechanic's Tool Kit
Compressor unit shut down (para. 2-13).
(NSN 5180-00-177-7033)
Battery removed (para. 4-45).
Interfilter heater block assembly removed (para. 5-15).
Materials/Parts
Reference
2nd and 3rd Stage Housing
Petroleum Jelly (Item 28, Appendix E)
Cleaning Procedures, Chapter 4, Section VII.
Preformed Packings
Refer to Appendix F for torque values.
Tape (Item 25, Appendix E)
Bands, Rubber (Item 4, Appendix E)
Bags, Plastic (Item 3, Appendix E)
Detergent, Nonionic (Item 8, Appendix E)
Distilled Water (Item 9, Appendix E)
a. Replace. (figure 5-24)
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)
Loosen fitting nut (1) and remove safety valve (2) from 2nd stage interfilter housing (3).
(2)
Loosen fitting nut (4) and remove safety valve (5) from 3rd stage interfilter housing (6).
NOTE
The 2nd and 3rd stage interfilter housing are removed in the same manner.
(3)
Remove four screws (7) securing housing (3) to heater block (8).
(4)
Remove housing (3) and remove and discard preformed packing (9).
5-80
