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OVERWING REFUELING POINTS
Each wing tank has an overwing refuel point installed
in the upper wing surface, to refuel the aircraft when
a pressure refuel source is not available.During an
overwing refuel, the fuel only goes into the wing tank.
It is then necessary to do a fuel transfer to get the
fuel into the correct fuel-load configuration.
TMUFUKH01-T01 LEVEL 3
EFFECTIVITY 28-25-00 Page 4
Oct 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 192
ALL
SELF EXAMINATION
How is the Refuel valve normally opened ?
A - By energization of a solenoid and
application of fuel pressure.
B - Only by pressing-in the manual command
button.
C - Only by opening the panel door and
application of pressure or suction.
When performing a Refuel, Defuel or ground
transfer, the R/D electrical circuits are enabled
by ?
A - Power from the aircraft electrical
network only.
B - Carrying out the high level test.
C - Contact of the panel door position relay.
What is the purpose of the fuel drain valve ?
A - To decrease the fuel flow in the R/D
gallery.
B - To avoid a reverse flow to the R/D
gallery.
C - To drain remaining fuel from the R/D
gallery.
TMUFUKH01 LEVEL 3
EFFECTIVITY 28-25-00 Page 5
Oct 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 193
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THIS PAGE INTENTIONALLY LEFT BLANK
TMUFUKH01 LEVEL 3
EFFECTIVITY 28-25-00 Page 6
Oct 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 194
ALL
28 - FUEL SYSTEM
28-25-00 AUTOMATIC REFUEL OPERATION
CONTENTS:
Preparation
On Panel 800 VU
Automatic Refueling
Close-up
TMUFUET01 LEVEL 2
EFFECTIVITY 28-25-00 Page 1
Jan 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 195
ALL
AUTOMATIC REFUEL OPERATION
PREPARATION
You must stop the fuel tanker 200 ft. (60 m) from the
aircraft nose. If there is a test on the weather radar,
do not refuel the aircraft until the test is completed.
Before you refuel the aircraft you must make the area
around the aircraft safe.
Aircraft fuel is flammable. Persons in the safety area
must not:
- Smoke.
- Make sparks of fire.
- Use any equipment which is not approved for
the refuel procedure.
Obey the safety precautions for the refuel procedure.
Make sure that the fuel tanker driver has drained the
water from the fuel tanker.
CAUTION: DO NOT USE THE TWO REFUEL/DEFUEL COUPLINGS
AT THE SAME TIME TO REFUEL THE AIRCRAFT. USE
ONLY ONE SIDE.
WARNING: YOU MUST MAKE SURE THAT YOU HAVE GROUNDED THE
FUEL TANKER AND THE AIRCRAFT CORRECTLY.
Put the access platform in place.
Make sure that the hose coupling is clean, then connect
it to the aircraft.
Energize the aircraft electrical network.
Open access door 192 MB. Make sure that the panel
floodlight comes on.
Refuel pressure at the couplings is maximum 50 psi
(3.45 bar).
ON PANEL 800 VU
Set and hold the TEST switch in the LTS position.
- all the panel lights come on.
- the FUEL QTY and REFUEL displays show eights.
Release the TEST switch.
- all the panel lights go off.
- The FUEL QTY and REFUEL displays show the tank
quantities.
Set and hold the TEST switch to the HI LVL position.
- the HI LVL lights change condition; if they
were on, they will go off and vice versa.
Release the TEST switch.
- the HI LVL lights go back to their initial
condition.
TMUFUET01-T01 LEVEL 2
EFFECTIVITY 28-25-00 Page 2
Jan 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 196
ALL
AUTOMATIC REFUEL OPERATION
TMUFUET01-P01 LEVEL 2
EFFECTIVITY 28-25-00 Page 3
Jan 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 28 FUEL SYSTEM
UF94200
EFFECTIVITY Page 197
ALL
AUTOMATIC REFUEL OPERATION
AUTOMATIC REFUELING
The required total quantity of fuel is preselected by
using the rocker switch to decrease or increase the
figure until the required total quantity is shown on
the preselector indicator. The total contents actually
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