TM 5-4220-227-14
4-49. O2K Bottles and Manifold
This task covers:
Replace
INITIAL SETUP:
Tools
Equipment Equipment
General Mechanic's Tool Kit
Chamber shut down (para. 2-15).
(NSN 5180-00-177-7033)
Materials/Parts
Band, Rubber (Item 4, Appendix E)
Bags, Plastic (Item 3, Appendix E)
Tape, Teflon (Item 21, Appendix E)
Replace. (figure 4-36)
WARNING
To prevent the spread of disease, serious injury and/or death, oxygen breathing systems must be
maintained hygienically clean and free from dust, dirt, and all hydrocarbon contamination. Refer to
oxygen system prework procedures para. 4-10 to avoid violating this warning.
NOTE
Ensure system is depressurized prior to beginning this task.
(1)
Close six valves (1) on the six 02 bottles (2).
(2)
Open ten valves (3) on manifold (4) and vent the manifold.
(3)
Remove manifold (4) from chamber (5) by removing fitting (6) from chamber.
WARNING
Leave 1 1/2 threads exposed on fitting when applying teflon tape. This will ensure that no teflon tape will
hang down inside the air system. Teflon tape should be wrapped in such a manner that when the fitting is
tightened the tape will not loosen. Failure to wrap teflon tape correctly may result in contamination or
blockage of the air system and subsequent possible injury or death to the diver.
(4)
Apply teflon tape to all pipe threads.
(5)
Install fitting (6) of manifold (4) on chamber (5).
(6)
Close ten valves (3) on manifold (4).
(7)
Open six valves (1) on the six 02 bottles (2).
4-82
