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Connect the tanker ground cable to the parking ground point before connecting it to a grounding
point on the aircraft. In the cockpit, check that the PARK BRK is ON and that the ACCU PRESS
has sufficient pressure. Do not defuel, if a fire or engine overheat warning is displayed. During
defueling, do not operate the external lighting.
Note: 1. For APU start/shutdown during defueling, Refer to PER-LOD-FUL APU
START/SHUTDOWN DURING REFUELING/DEFUELING.
2. If only one hose is used for defueling, it must be connected to the coupling marked
“USE THIS ADAPTOR TO DEFUEL”.
Before defueling is started :
On cockpit overhead FUEL panel :
PUMPS (all).................................................................................................................... OFF
Applicable to: ALL
DEFUELING BY SUCTION
Note: • Defueling all the tanks by suction is possible.
• If the trim tank contains fuel, then the fuel system interlocks prevent a suction defuel of
the inner tanks.
On refueling control panel :
MODE SELECT..............................................................................................................DEFUEL
REFUEL VALVES (of the tanks to be defueled)............................................................... OPEN
FUEL QTY...................................................................................................................MONITOR
When the tank contents reach the required level :
REFUEL VALVES...................................................................................NORM and GUARDED
MODE SELECT.......................................................................................... OFF and GUARDED
Cockpit FUEL panel...............................................................SET NORMAL CONFIGURATION
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
LOADING
FUEL
A330/A340 FLEET PER-LOD-FUL P 16/24
FCOM 19 AUG 10
Applicable to: ,
DEFUELING WITH FUEL PUMPS
Note: It is only possible to defuel the inner and center tank. To defuel the other tanks, their fuel
must be first transferred to the inner tank.
On refueling control panel :
REFUEL VALVES................................................................................................CHECK NORM
MODE SELECT..............................................................................................................DEFUEL
TRANSF VALVE................................................................................................................ OPEN
The LH (RH)) aft transfer valves open provided all these conditions are met :
one (or more) of the ‐ LH (RH) main fuel pumps is (are) on.
‐ the trim tank is empty
‐ the inner tank and outer tank inlet valves are closed.
On cockpit overhead FUEL panel :
PUMPS 2 and 3 (and 1 and 4 if greater flow needed)...........................................................ON
X-FEED 2 and 3 (and 1 and 4, if greater flow needed)......................................................... ON
FUEL QTY...................................................................................................................MONITOR
When the tank contents reach the required level :
Corresponding PUMPS......................................................................................................... OFF
Corresponding X FEED......................................................................................................AUTO
On refueling control panel :
TRANSF VALVE................................................................................. CLOSED and GUARDED
MODE SELECT.......................................................................................... OFF and GUARDED
REFUEL VALVES...................................................................................NORM and GUARDED
Cockpit FUEL panel...............................................................SET NORMAL CONFIGURATION
Note: When the fuel quantity in an inner tank decreases to 3 500 kg (7 716 lb) the intertank
transfer valves automatically open. The fuel in the outer tanks moves to the inner
tanks which can be subsequently defueled.
CENTER TANK
On refueling control panel :
REFUEL VALVES............................................................................................CHECK NORM
MODE SELECT..........................................................................................................DEFUEL
On cockpit overhead fuel panel :
PUMPS L and R................................................................................................................. ON
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
LOADING
FUEL
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 5(108)
