Apu Flashcards
Apu speed will drop ___%, prior to ignition
95%
Non-load rpm ___ sec. At oat above 20 degrees
24 seconds
Oat below 20 degrees, ____ sec.
42
Apu egt at start 60% is _______degrees c for 2 sec.
980 degrees Celsius
Apu % rpm ,non-load _____ - ______%
99-103%
Apu % rpm load is _____ - ____%
97-103%
Apu egt non-load is _____ degrees c or below
450 degrees c or below
Apu egt load is _____below degrees c max
715 degrees c max
Apu start limits ____ successful starts at __ minintervals between starts, then ___ hour off
6, 10, 1
All__ water intrusion plugs pulled
10
___ panel closed or may receive heat damage
N37
If apu was used to start engines, wait ____ after ENG START CYCLE light goes out
2 min
At oat__ degrees f, ext heat shall be applied for ___min at apu inlet
-10, 30
At oat ___ degrees f or lower, apu ground maintenance of hydraulic system shall not be used
-21 degrees f
Don’t operate apu for more than ___min w/ apu generator off
5 min
Ensure all personnel are clear of a/c movable control surfaces prior to ______
Applying hydrolic power
With apu operating, ____ caution light will come on if ____ switch is set to off/reset and ______ switch is not set to ram
Service air hot, apu gen , temp press
Apu will not be started in an area where
Flammable vapors are suspected
If APU operating limits are exceeded
Shut down apu
If egt indicates low or not at all
Shut down apu and t/s
It is normal for canopy seal to in flare if
Apu gen switch is off/reset and apu running
It is normal for canopy seal to inflate if
Apu gen switch is off/reset and apu running
How many times can the apu gen switch be reset
Once
