TM 5-4220-227-14
f.
All exposed pipe, tube, or hose open ends are double bagged, plugged or capped off as soon as components are
disconnected, whether the parts are to remain on the chamber or stored away for future use.
g.
All component parts with mounting hardware are placed in double bags and sealed as soon as possible after the
component is removed.
After working on any component of the oxygen breathing system ensure that:
a.
All tools are picked up, cleaned, and properly stored away.
b.
All materials (bits of teflon tape, etc.) have been removed from the work area.
c.
Leak test using nonionic soap solution is performed and all leaks detected are repaired.
d.
All serviceable components are tagged, double bagged, sealed and stored in a clean area.
e.
All components are inspected for cleanliness and cleaned if necessary. Refer to cleaning procedures for
Air/Oxygen Systems.
f.
All repairable but non serviceable components are tagged, double bagged, sealed and turned in for repair.
g.
All non repairable components have been properly and expediently disposed off.
4-11. Chamber Doors (I/L and O/L).
CAUTION
Travel bars should only be used during transportation of the unit.
The chamber doors are secured in the closed position with an aluminum travel bar (channel section), which is held with a
winged bolt. During operation of the unit, secure channels to the skid base using the winged bolt.
4-12. Primary Communications Systems. The communication unit is mounted on the electrical control panel. Plug in
the power cord to the six plug power strip (SPRPM) located on the bottom of the electrical control panel.
4-13. Secondary Communication System. The sound powered telephones are packed inside the I/L. Unpack and
mount into their respective holders. The phone headsets are provided with cable jacks and require only to be plugged in
at each station.
4-14. Oxygen Breathing Masks. The chamber is provided with six 02 breathing masks, packed separately inside the
chamber. The masks plug into the oxygen manifold built in breathing system (BIBS) located in both the I/L and O/L.
Supply connection are 1/8-inch N.P.T. and outlet connections are 3/8-inch N.P.T. Chambers are equipped with quick-
disconnect type couplings.
4-15. Internal Hardware. All other hardware mounted inside the chamber is fully assembled and installed prior to
shipment. A careful visual examination should be made of the hardware at this time. Also a check should be conducted
to ensure all packing materials have been removed
4-6