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UF94200
EFFECTIVITY Page 204
ALL
28 - FUEL SYSTEM
28-25-00 DEFUEL OPERATION
CONTENTS:
Defuel Operation
TMUFUER01 LEVEL 3
EFFECTIVITY 28-25-00 Page 1
Feb 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 205
ALL
DEFUEL OPERATION
For a defuelling, operate the REFUEL / DEFUEL panel
on panel 800VU and the FUEL panel in the cockpit while
watching the FUEL page on the lower ECAM display unit.
When defuelling, the engine feed pumps are used to
push the fuel through the engine feed pipeline and
then by transfer through the refuel lines to discharge
at the refuel coupling.
- Set the MODE SELECT switch to DEFUEL XFR
position and check that OPEN light comes on.
- Put XFEED pushbutton ON and check that the
valve OPEN light comes on (overhead panel on
flight deck).
- Refuel valves are closed.
- On FUEL overhead panel, set pumps ON.
The outer cells are defuelled when the inner cells
have been emptied.When the fuel level in the inner
cell drops to the low level sensors, the sensors signal
the intercell transfer valves to open to permit the
fuel in the outer cell to drain into the inner cell.
It is then discharged by the inner cell pumps.
TMUFUER01-T01 LEVEL 3
EFFECTIVITY 28-25-00 Page 2
Feb 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 206
ALL
DEFUEL OPERATION
TMUFUER01-P01 LEVEL 3
EFFECTIVITY 28-25-00 Page 3
Feb 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 207
ALL
DEFUEL OPERATION
When required tank quantity is defuelled, reset the
system as follows:
- On the FUEL panel, set XFEED pushbutton to OFF
and the MODE SEL pushbutton to AUTO.
- On the REFUEL/DEFUEL panel set MODE SELECT to
OFF and check that OPEN light goes off.
NOTE: The flight unbalance limitation is 2000 KG.
TMUFUER01-T02 LEVEL 3
EFFECTIVITY 28-25-00 Page 4
Feb 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 208
ALL
DEFUEL OPERATION
TMUFUER01-P02 LEVEL 3
EFFECTIVITY 28-25-00 Page 5
Feb 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 209
ALL
THIS PAGE INTENTIONALLY LEFT BLANK
TMUFUER01 LEVEL 3
EFFECTIVITY 28-25-00 Page 6
Feb 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 210
ALL
28 - FUEL SYSTEM
28-25-00 FUEL TRANSFER OPERATION
CONTENTS:
Fuel Transfer Operation
TMUFUES01 LEVEL 3
EFFECTIVITY 28-25-00 Page 1
Feb 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 211
ALL
FUEL TRANSFER OPERATION
Transfer of fuel from the left wing into the right
wing until the two wing tank contents are equal.
TMUFUES01-T01 LEVEL 3
EFFECTIVITY 28-25-00 Page 2
Feb 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 212
ALL
FUEL TRANSFER OPERATION
TMUFUES01-P01 LEVEL 3
EFFECTIVITY 28-25-00 Page 3
Feb 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 213
ALL
FUEL TRANSFER OPERATION
- Open the DEFUEL/TRANSFER valve.
- Open the right tank REFUEL valve.
- Open the CROSSFEED valve.
- Start the left tank pumps.
TMUFUES01-T02 LEVEL 3
EFFECTIVITY 28-25-00 Page 4
Feb 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 214
ALL
FUEL TRANSFER OPERATION
TMUFUES01-P02 LEVEL 3
EFFECTIVITY 28-25-00 Page 5
Feb 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 215
ALL
FUEL TRANSFER OPERATION
Stop the fuel transfer when the quantity of the two
wing tanks is balanced.
Reset all the switches.
TMUFUES01-T03 LEVEL 3
EFFECTIVITY 28-25-00 Page 6
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