FUEL
AIRPLANE
OPERATIONS
MANUAL
2-08-05
Page
4
Code
01
REVISION 39
AOM-145/1114
Fuel for APU operation is normally supplied from the right side fuel
system. Fuel from the left side system may be used by selecting the
crossfeed knob to LOW2. The APU fuel shutoff valve will close in the
following conditions:
− APU master knob positioned to OFF.
− By pressing the APU fuel shutoff button.
− By pressing the APU fire extinguishing button.
− Automatically, through the APU fire detection system in case of APU
fire on ground.
Sensors installed in the tanks and along fuel lines provide signals to
indicate system failures and status. Such indications and messages
are shown on the MFD Fuel page as well as on the EICAS.
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