a) Thread the BR-541 onto the US CGA 540 standard oxygen cylinder valve outlet
connection. Tighten with a wrench.
b) Attach the fill hose (or British standard regulator) to the other side of the BR-541 adapter.
3) BR-540 adapter can also be used with a US standard transfill hose assembly to transfer
oxygen between a US standard cylinder and a British standard cylinder.
a) Thread the BR-540 onto the British standard oxygen cylinder valve outlet connection.
Tighten with a wrench.
b) Thread one end of the transfill hose assembly onto the other end of the BR-540.
c) Attach the other end of the transfill hose assembly to the US standard oxygen cylinder
valve outlet connection.
d) Follow transfill instructions detailed elsewhere in this manual.
d. Inspect and wipe clean with a clean dry cloth all fittings, hoses, and cables. Ensure there is no
grease, oil, or other contaminant on these items.
e. Ensuring that the oxygen is turned off, place the oxygen cylinder into the backpack assembly:
1) Mount the cylinder bag so the oxygen cylinder will be in an up-right position.
2) Position the cylinder so the oxygen outlet shall be on the operators left side (when wearing the
rig).
3) Secure the cylinder inside the cylinder carrying bag by tightening the straps before zipping the
cover closed..
TORCH SETUP- OXYGEN SYSTEM
