787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Engines, APU -
Controls and Indicators
Copyright © The Boeing Company. See title page for details.
7.10.22 D615Z003-TBC
ON (APU operating position) –
• opens the APU fuel spar valve and inlet door
• activates AC or DC fuel pump
• powers the APU controller
START (momentary position, spring–loaded to ON) –
• initiates automatic start sequence
Note: If the common core system is not running, the APU controller delays start
until the required common core applications are available.
Illuminated (amber):
• APU fault and/or fire is detected
• APU shutdown due to fault and/or fire
• momentarily during APU controller self–test
APU Indications
RPM – APU rotation speed (% RPM).
EGT – APU exhaust gas temperature (ºC).
OIL PRESS – APU oil pressure (PSI).
OIL TEMP – APU oil temperature (ºC).
[Option – English / Metric units]
OIL QTY – APU oil quantity (quarts / liters).
2
APU FAULT Light
1
APU Status Display
EGT
C
PSI C OIL QTYOIL TEMP
RPM
OIL PRESS
7.4
100.1 350
65 75
APU
MFD SYSTEMS PAGE STATUS DISPLAY
1
August 14, 2009
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