TM 55-1510-219-CL
8. Left bleed air valve switch - OPEN.
9. Left bleed air off, and left and right bleed air fail lights off, and pneumatic
pressure - Check (12 to 20 PSI).
10. Right bleed air valve switch - OPEN.
11. Right bleed air off light - Extinguished.
PRESSURIZATION SYSTEM
1. Cabin door caution light extinguished - Check.
2. Storm windows closed - Check.
3. Bleed air valve switches OPEN - Check.
4. Cabin altitude 500 feet lower than field pressure altitude - Set.
5. Cabin pressurization switch - TEST (hold).
6. Cabin climb gage descending indication -Check, then release TEST
switch.
7. Aircraft altitude set to planned cruise altitude plus 500 feet - Check (if this
setting does not result in a CABIN ALT indication of at least 500 feet over
takeoff field pressure altitude, adjust as required).
8. Rate control set between 9 and 12 o'clock -Check.
P-13/(P-14 Blank)
