TM 1-1510-224-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
PRIOR TO MAINTENANCE TEST FLIGHT (CONT)
* 4.
Oxygen system - Check that oxygen
quantity is sufficient for the entire
mission,
that
crew
masks
operate
normally, 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.
PARKING BRAKE - Check. Confirm that
brakes are set by applying additional toe
pressure.
2-2
