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The aircraft is fitted with a refuel/defuel control panel installed on the right fuselage, just
forward of the wing. Fuel quantity indications on the panel are displayed in pounds
(Imperial).
The aircraft is fitted with a refuel/defuel control panel installed on the right fuselage, just
forward of the wing. Fuel quantity indications on the panel are displayed in kilograms
(kg). <0001>
The aircraft is fitted with two identical refuel/defuel control panels. One panel is
installed adjacent to the refuel/defuel adapter on the right wing--to--fuselage fairing and
the other panel is located in the flight compartment on the bulkhead behind the copilot.
Fuel quantity indications on the panels are displayed in pounds (Imperial). When both
panels are powered, the flight compartment panel has priority over the external panel.
<0017>
The aircraft is fitted with two identical refuel/defuel control panels. One panel is
installed adjacent to the refuel/defuel adapter on the right wing--to--fuselage fairing and
the other panel is located in the flight compartment on the bulkhead behind the copilot.
Fuel quantity indications on the panel are displayed in kilograms (kg). When both
panels are powered, the flight compartment panel has priority over the external panel.
<0001><0017>
The refueling operation can be initiated in automatic or manual mode. Automatic mode
allows the required total aircraft fuel quantity to be preselected. In automatic mode, the
fuel system computer (FSC) controls the distribution of the fuel by filling the wing tanks
before allowing any fuel to be loaded into the center tank. High level detectors located
at the top of each tank prevent fuel tank overfilling during refueling operations by
closing the refuel shut-off valves.
Refueling of individual tanks is possible in manual mode by manually opening and
closing the refuel shut-off valves from the control panel.
The defuel mode is similar to the manual mode except that defueling is selected.
The test mode checks that the FSC, high level detectors and refuel/defuel shutoff
valves are operating properly.
Vol. 1 13--50--5
REV 56, Jan 31/03
FUEL SYSTEM
Refueling and Defueling
Flight Crew Operating Manual
CSP A--013
MASTER
Refuel/Defuel Control Panel
Figure 13--50--3 Sheet 1
Refuel/Defuel Control Panel
INC.
DEC.
ON
OFF
PRES. TOTAL QTY
FUEL AUTO
OFF
DEFUEL TEST
FUEL
MANUAL
LAMP
TEST
ON
POWER
FAULT
ANNUNC.
FUEL QTY
BITE
INITIA.
RIGHT
CL OP
ON
OFF
LEFT
H.LEVEL DETECTOR
CL OP SOV
ON
OFF
CL OP SOV
ON (green)
Indicates that battery
bus power has been
applied to the panel.
POWER (Guarded)
Supplies power
directly from the
battery bus to the
control panel.
FAULT ANNUNC. (amber)
Indicates that a fault exists
in the refuel/defuel system.
BITE INITIA.
Used to display fault
codes on the fuel
quantity displays.
Refer to the Airplane
Maintenance Manual for
code descriptions.
Mode Selector
TEST -- Verifies operation of
refuel/defuel shut--off valves
and high level detectors.
LAMP TEST
Used to test all lights
and LED displays on
the panel.
REV 56, Jan 31/03
Vol. 1 13--50--6
FUEL SYSTEM
Refueling and Defueling
Flight Crew Operating Manual MASTER
CSP A--013
Refuel/Defuel Control Panel
Figure 13--50--3 Sheet 2
HIGH LEVEL
DETECTOR
(amber) (3)
Indicates that the
fuel level in the
respective tank
has reached the
full capacity.
PRES. TOTAL QTY
Displays the fuel
quantity target for
automatic refueling.
ON / OFF
Used to start and stop
automatic refueling.
INC. / DEC.
(spring loaded to center)
Used to increase and decrease
the preselected total fuel
quantity for automatic refueling.
Unit of Measure Label
Indicates the unit of
measure for the fuel
quantity displays.
Fuel Quantity Displays (3)
Displays the fuel quantity of
the respective tank.
SOV CL (green) (3)
Indicates that the
respective refuel/defuel
shut--off valves (SOV)
are closed.
SOV OP (amber) (3)
Indicates that the
respective refuel/defuel
shut--off valves (SOV)
are open.
Mode Selector
FUEL AUTO -- Configures
refuel/defuel system for
automatic refueling.
FUEL MANUAL -- Configures
refuel/defuel system for
manual pressure refueling.
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