Section 8
Columbia 400 (LC41-550FG)
Handling, Servicing, and Maintenance
Initial Issue of Manual: November 10, 2004
RC050002
Latest Revision Level/Date: -/11-10-2004
8-9
4. Slowly fill the oxygen supply. By filling slowly, the temperature rise due to the
compressed gas in the oxygen supply bottles will be kept to a minimum.
5. Monitor the cockpit oxygen display to ensure that the oxygen supply is filled.
NOTE
This fixed oxygen system has a maximum bottle pressure of 2,000 psi.
6. When the system is filled to the intended capacity, set the Oxygen Switch to ON.
7. Ensure that the Outlet Pressure Display green indication is illuminated.
8. Set the Oxygen Switch to OFF.
9. Set the Left Bus switch to OFF.
10. Ensure safety cap is installed over the filler port.
See the
Columbia 400 Maintenance Manual
for additional maintenance instructions if oxygen
quantity drops faster than the duration charts in Chapter 5 indicate or there is either very high or
very low outlet pressure.