APU Flashcards
1
Q
How long should we operate the APU prior to using the bleed air?
A
1 min
2
Q
What will cause the APU to automatically shutdown?
A
- Battery Switch OFF
- APU Fire
- Overspeed
- Faults
- Low Oil Pressure
- High Oil Temp
- EGT Overtemp
3
Q
Selecting OFF on the APU does what?
A
- Electric and Pneumatic removed immediately
- 60 sec cool down
- APU air inlet door closes
4
Q
How long after selecting APU off should we wait until turning the battery switch off?
A
2 minutes
5
Q
Apu MAINT
A
APU may be operated
Only displayed with APU switch ON
6
Q
Fuel source for APU
A
Main Tank 1
AC Fuel Pump or Suction fed
