TM 55-1510-221-CL
OXYGEN SYSTEM
1.
Oxygen supply pressure gages - Check.
2.
Supply control lever (green) - ON.
3.
Diluter control lever - 100% OXYGEN.
4.
Emergency control lever (red) - Set to TEST MASK position while holding mask directly away from face, then
return to NORMAL.
5.
Oxygen masks - Put on and adjust.
6.
Emergency pressure control lever - Set to TEST MASK position and check mask for leaks, then return lever to
NORMAL.
7.
Flow indicator - Check. During inhalation blinker appears, during exhalation blinker disappears. Repeat a
minimum of 3 times.
FUEL PUMPS/CROSSFEED OPERATION
1.
Fire pull handles - Pull.
2.
Standby fuel pump switches - ON.
3.
Battery switch - ON.
4.
#1 fuel pressure and #2 fuel pressure warning lights - Illuminated.
5.
Fire pull handles - In.
6.
#1 fuel press and #2 fuel press warning annunciator lights - Extinguished.
7.
Standby fuel pump switches- Off.
8.
#1 fuel pressure and #2 fuel pressure warning lights - Illuminated.
9.
Crossfeed - Check. Check system operation by activating switch momentarily left then right, noting that #1
FUEL PRESS and #2 FUEL PRESS warning annunciator lights extinguish and that the FUEL CROSS-FEED
advisory annunciator light illuminates as switch is energized.
C2 P-3
