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Figure 4-36.  02 K Bottles and Manifold, Replace.
Figure 4-37.  Oxygen Inhalator Mask, Replace

TM-5-4220-227-14 MK12 Surface Supported Diving System (SSDS) (NSN 4220-01-097-5674) Manual
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TM 5-4220-227-14 4-50.  Oxygen Inhalator Mask Assembly. This task covers:  Replace INITIAL SETUP: Tools Materials/Parts General Mechanic's Tool Kit Oxygen Inhalator Mask (NSN 5180-00-177-7033) Bands, Rubber (Item 4, Appendix E) Bags, Plastic (Item 3, Appendix E) Replace.  (figure 4-37) 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. 4-9 to avoid violating this warning. NOTE If chamber is pressurized, send in the oxygen mask through M/L. (1)   Disconnect inhalator oxygen supply hose (1) from BIBS manifold (2) at quick disconnect fitting (3). (2)   Disconnect inhalator oxygen exhaust hose (4) from BIBS manifold (2) at quick disconnect fitting (5). (3)   Remove  inhalator  mask  assembly  (6)  with  supply  and  exhaust  hoses  attached.    Double  bag  inhalator  mask assembly (6). CAUTION If   inhalator   masks   are   not   immediately   replaced   with   new   masks,   install   the   plugs provided   to   keep   system   closed   and   prevent   chamber   air   pressure   from   escaping through BIBS. (4)   Unbag new inhalator mask assembly (6). (5)   Connect inhalator oxygen exhaust hose (4) to BIBS manifold (2), and quick disconnect fitting (5) (6)   Connect inhalator oxygen supply hose (1) to BIBS manifold (2), and quick disconnect fitting (3). 4-84







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