NORMAL PROCEDURES
AIRPLANE
OPERATIONS
MANUAL
1-02-77
Page
2
Code
02
REVISION 37
AOM-145/1114
Standby Attitude (if applicable) ............................................... CAGED
Cage the standby horizon. Make sure it is caged by checking
whether its red flag is visible.
GPU/APU................................................................................ OFF
Shut APU down by pressing the STOP button on its panel. Verify
the shutdown on the EICAS. Wait until APU rotation drops to 5%
before switching APU MASTER OFF.
NOTE: Do not close the air conditioning packs before shutting
down the APU. Shutting down the APU while bleed air is
coming out of it helps extending APU life.
If a GPU is the source of electrical power, switch it OFF through the
GPU button on the Electrical System panel.
Never leave the airplane unattended and energized. A member of
the maintenance team, familiar with the airplane, should always be
left in charge before they leave.
PUMP PWR ............................................................................ OFF
Fuel pumps are needed only as long as the APU is in use. Once
the APU is shut down the fuel pumps are not needed any more. So
if the airplane is being powered by the GPU or solely by the
batteries the pumps are not needed.
Main and Backup Batteries..................................................... OFF
Switch both batteries OFF.
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