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L, R MAIN EJECTOR
caution (amber)
Comes on to indicate
low fuel pressure at
respective main ejector
with respective engine
running.
Primary Page
Status Page
<0039>
<0039>
<0006>
<0039>
REV 56, Jan 31/03
Vol. 1 13--30--6
FUEL SYSTEM
Fuel Management
Flight Crew Operating Manual MASTER
CSP A--013
Fuel System Controls --- Synoptic Page Indications <MST>
Figure 13---30---4 Sheet 1
LH, RH Scavenge
Ejectors
Green -- Respective
White -- Respective
Amber -- Respective
Half Intensity Magenta
-- Invalid data.
scavenge ejector
operating at normal
pressure.
engine not running.
scavenge ejector
operating at low
pressure with
respective engine
running.
LH, RH Main Ejectors
Green -- Respective
main ejector operating
at normal pressure.
White -- Respective
engine not running.
Amber -- Low pressure
at respective main
ejector with respective
engine running.
Half Intensity Magenta
-- Invalid data.
Fuel Lines
Green -- Indicates normal fuel
flow through respective fuel
line.
Amber -- Fuel flow in
respective fuel line is restricted
by failure of respective fuel feed
SOV and/or fuel pump and/or
ejector and/or fuel filter.
Red -- Indicates a fire in the
respective engine or APU with
respective fuel feed SOV failed
at open or at mid position
(applicable only to the fuel lines
downstream of the engine and
APU fuel feed SOVs).
FUEL Page
P
LH, RH Transfer
Ejectors
Green -- Respective
transfer ejector
operating at normal
pressure with fuel in
centre tank.
White -- Centre tank is
empty or respective
transfer SOV is closed
or respective engine
not running.
Amber -- Low pressure
at respective transfer
ejector with respective
engine running,
respective transfer
SOV opened and
centre tank not empty.
Half Intensity Magenta
-- Invalid data.
Vol. 1 13--30--7
REV 56, Jan 31/03
FUEL SYSTEM
Fuel Management
Flight Crew Operating Manual
CSP A--013
MASTER
Fuel System Controls --- Synoptic Page Indications <MST>
Figure 13---30---4 Sheet 2
AUTO BAL INHIB status (white)
Comes on to indicate that the
automatic fuel crossflow has been
inhibited with MANUAL XFLOW
not selected.
Fuel XFLOW SOV
Controlled either,
automatically or
manually by the
XFLOW system.
MANUAL XFLOW status (white)
Comes on (same location as
AUTO BAL INHIB status message)
to indicate that the manual
crossflow has been selected.
Transfer Valves
Green -- Indicates
normal fuel flow
through the respective
transfer shut--off valve.
Amber -- Fuel
pressure drop exists
across the respective
transfer shut--off valve.
Half Intensity Magenta
-- Invalid data.
Fuel transfer from
centre tank is
automatically
controlled by the fuel
system computer, with
engine(s) operating.
Fuel transfer
commences when the
left or right tank fuel
level drops below 94%
and stops when the
level reaches 100%.
LH/RH Engine Fuel
Feed SOV
Controlled by the
respective FIRE
PUSH switch/light.
Fuel Page
P
Gravity XFLOW SOV
Controlled by the
gravity xflow
switch/light.
REV 56, Jan 31/03
Vol. 1 13--30--8
FUEL SYSTEM
Fuel Management
Flight Crew Operating Manual MASTER
CSP A--013
C. System Circuit Breakers
SYSTEM SUB--SYSTEM CB NAME BUS BAR CB
PANEL
CB
LOCATION
NOTES
XFER/APU
XFER SOV N9
APU/Transfer
XFER/APU
FUEL PUMP N10
Fuel System
Fuel Pump XFER/APU
CONT
DC BAT 1 N11
XFER/APU
APU ECU N12
Fuel Control
XFLOW SOV M8
GRAV XFLOW DC ESS 4 B9
Vol. 1 13--40--1
REV 56, Jan 31/03
FUEL SYSTEM
Fuel Distribution
Flight Crew Operating Manual
CSP A--013
MASTER
1. FUEL DISTRIBUTION
Fuel is distributed to each engine from a respective side collector tank which is an integral
part of the center wing tank. Two scavenge ejectors, located at the lowest part of each wing
tank, supplies fuel to each collector tank to keep it in a full condition. The collector tank is
designed to maintain engine fuel feed under all normal and transient flight maneuvering. A
main ejector, within each collector tank, supplies fuel to the respective side engine. The
　
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