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transfer valves close when the center tank low level
sensors are dry and 5 minutes time delay has elapsed.
They are 4 low level sensors per wing tank:
- 2 1500 kg level,
- 2 750 kg level.
When the fuel level in the wing tanks has decreased
and two 1500 kg level sensors in a wing are continuously
dry for 30 seconds, a MEMO message is displayed
When the fuel level still decreases and two 750 kg low
level sensors in a wing are continuously dry for 30
seconds a low fuel level warnings is triggered (single
chime, master caution, fuel page).
Landing...
When the engines are stopped, the engine identification
numbers become amber.
ABNORMAL OPERATION:
Aircraft in flight, in case of center tank transfer
valves not controlled to open, the FAULT light on the
MODE SEL P/B and the MASTER CAUTION come on and the
single chime sounds.
TMUFUE903-T01 LEVEL 1
EFFECTIVITY 28-20-00 Page 2
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 310
ALL
FUEL FEED SYSTEM OPERATION
TMUFUE903-P01 LEVEL 1
EFFECTIVITY 28-20-00 Page 3
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 311
ALL
FUEL FEED SYSTEM OPERATION
FAILURE CONDITIONS:
- failure of the center tank transfer valves,
- with more than 250 kg fuel left in the center
tank,
with less than 5000 kg fuel in either wing tank.
The fuel page is automatically displayed and shows:
- center tank transfer valves amber crossed,
center tank fuel quantity boxed amber, FOB
boxed amber,
- on the upper ECAM display (E/W) an AUTO XFR
FAULT message appears and, an amber half box
is shown around the FOB indication.
The crew must set the MODE SEL P/B to manual mode.
MANUAL MODE
In manual mode, the center tank transfer valves are
directly controlled from the respective CTR TK XFR
pushbutton switch.
The FAULT light in the CTR TK L (R) XFR pushbutton
switch comes on amber, associated with an ECAM caution
in case of related wing tank overflow.
TMUFUE903-T01 LEVEL 1
EFFECTIVITY 28-20-00 Page 4
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 312
ALL
SELF EXAMINATION
What does the MODE SEL pushbutton control?
A - Center tank transfer valves and wing
tank pumps only.
B - Center tank transfer valves only.
C - Wing tank pumps only.
When the center tank is empty, in AUTO MODE, the
center tank transfer valves:
A - Must be manually switched OFF after 5 mn.
B - Stop automatically and wing tank pumps
start running.
C - Close automatically after a time delay
of 5 mn.
TMUFUE903 LEVEL 1
EFFECTIVITY 28-20-00 Page 5
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 313
ALL
THIS PAGE INTENTIONALLY LEFT BLANK
TMUFUE903 LEVEL 1
EFFECTIVITY 28-20-00 Page 6
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 314
ALL
28 - FUEL SYSTEM
28-25-00 FUEL TRANSFER OPERATION
CONTENTS:
Fuel Transfer Operation
TMUFUES03 LEVEL 3
EFFECTIVITY 28-25-00 Page 143
Apr 31/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 315
ALL
FUEL TRANSFER OPERATION
Transfer of fuel from the left wing into the right
wing until the two wing tank contents are equal.
- Open the DEFUEL/XFR valve. (make sure the OPEN
light comes on)
- Open the right tank REFUEL valve.
- Open the X FEED valve, and check its position
on the ECAM page.
- Start the left tank pumps. (make sure the OFF
lights go off).
Stop the fuel transfer when the quantity of the two
wing tanks is balanced.
Reset all the switches.
TMUFUES03-T01 LEVEL 3
EFFECTIVITY 28-25-00 Page 144
Apr 31/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 316
ALL
TMUFUES03-P01 LEVEL 3
FUEL TRANSFER OPERATION
EFFECTIVITY 28-25-00 Page 145
Apr 31/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
　
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