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TM 1-1510-223-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
PRIOR TO MAINTENANCE TEST FLIGHT (CONT)
and that the diluter selector is set at 100%.
a.
OXYGEN SUPPLY PRESSURE gages - Check.
b.
SUPPLY control lever (green) - ON.
c.
Diluter control lever - 100% OXYGEN.
d.
EMERGENCY control lever (red) - Set to TEST MASK
position while holding mask directly away from face, then
return to NORMAL.
e.
Oxygen mask - Put on and adjust.
f.
EMERGENCY pressure control lever - Set to TEST MASK
position and check mask for leaks, then return lever to
NORMAL.
g.
FLOW indicator - Check.
During inhalation blinker
appears, during exhalation blinker disappears. Repeat a
minimum of 3 times.
h.
Oxygen masks - Remove and store.
5.
Seats, pedals, belts, harnesses - Check and adjust.
6.
Flight controls - Check for free and correct movements.
7.
PARKING BRAKE - Check. Confirm that brakes are set by
applying additional toe pressure.
2-2
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