TM 55-1510-221-MTF
10. Cabin pressurization rate knob. - Set to maximum.
11. Cabin rate of climb indicator - Cabin rate of ascent should
be between 1500 and 2500 feet per minute.
12. Cabin pressurization rate knob. - Set to midrange
13. Cabin rate of climb indicator - Cabin rate of descent should
be between 350 and 650 feet per minute
14
Cabin pressurization rate knob - Set to minimum
15
Cabin rate of climb indicator - Cabin rate of ascent should
be between 50 and 300 feet per minute.
16. Cabin altitude controller - Set to 1800 feet.
17. Cabin rate of climb indicator - Cabin rate of descent should
be between 50 and 300 feet.
18. Cabin pressurization rate controller - Set to maximum.
19. Cabin rate of climb indicator - Should indicate a descent of
1500 and 2500 feet per minute.
20. Cabin pressurization rate controller - Set to midposition.
21. Cabin rate of climb indicator - Should indicate a descent of
between 350 and 650 feet per minute.
22. Cabin altitude controller - Set to 10,000 feet.
23. Cabin altimeter - Should reach 9750 to 10,250 feet pressure
altitude.
24. Reduce airplane altitude toward 10,000 feet pressure
altitude to reduce pressure "bump".
25. Cabin pressurization dump switch - Set to DUMP position.
26. Increase aircraft altitude toward 12,000 feet pressure
altitude, while holding cabin pressurization-
4-2
