737 Flight Crew Operations Manual
Normal Procedures -
Amplified Procedures
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NP.21.22 D6-27370-866-EGP
Autopilot DISENGAGE bar – UP
Oxygen .................................................................................. Test and set
Note the crew oxygen pressure.
Oxygen mask – Stowed and doors closed
TEST/RESET switch – Push and hold
Verify that the yellow cross shows momentarily in the flow
indicator.
EMERGENCY/Test selector – Push and hold
Continue to hold the TEST/RESET switch down and push the
EMERGENCY/Test selector for 5 seconds. Verify that the yellow
cross shows continuously in the flow indicator.
Verify that the crew oxygen pressure does not decrease more than
100 psig.
If the oxygen cylinder valve is not in the full open position,
pressure can:
• decrease rapidly, or
• decrease more than 100 psig, or
• increase slowly back to normal.
Release the TEST/RESET switch and the EMERGENCY/Test
selector. Verify that the yellow cross does not show in the flow
indicator.
Normal/100% switch – 100%
Crew oxygen pressure - Check.
Verify that the pressure is sufficient for dispatch.
YK981 - YQ456
ELECTRONIC FLIGHT BAG ........................................................... Set
Clock ................................................................................................... Set
TIME/DATE pushbutton - UTC time
NOSE WHEEL STEERING switch ....................................Guard closed
Display select panel............................................................................. Set
MAIN PANEL DISPLAY UNITS selector – NORM
LOWER DISPLAY UNIT selector – NORM
TAKEOFF CONFIG light
(if installed and operative) ........................................Verify extinguished
September 15, 2016
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