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CL-65 Study Guide > APU > Flashcards

Flashcards in APU Deck (9):
0

Max permissible load on the APU generator

40 KVA

1

Max altitude for starting the APU

37,000 feet

2

Max altitude for APU operation

41,000 feet

3

Max altitude for APU bleed air extraction

25,000 feet

4

Max speed with APU door open

If APU is not on 220 KTS otherwise no limitation exists

5

What battery voltage is required before starting the APU?

22 volts on both batteries

6

What does the main battery power during the APU start?

APU ECU

7

What does the APU battery power during the APU start?

Cranking of the 28 volt DC start motor

8

When will the APU AVAIL switch light illuminate?

99% RPM plus 2 seconds