4-22. Diffuser Assembly.
This task covers:
Padded, Curved Jaw Pliers (Item 26, Appendix B)
Para. 4-11 General
Halocarbon Grease (Item 10, Appendix E)
Replace. (figure 4-15)
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
accepted Army diving cleaning procedures. 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
(1) Unscrew and remove diffuser assembly (1) and preformed packing (2) from air supply valve (3).
Use only enough lubricant to coat preformed packings without excess.
(2) Apply a thin film of lubricant to new preformed packing.
(3) Install new preformed packing (2) and diffuser assembly (1).