(4)
Put the safety barriers in position.
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R Refuel Valve Figure 401/TASK 28-25-00-991-022
1EFF : 1 1 1CES ALL 1 111 28-25-00 Page 403 May 01/02
R **ON A/C 051-051,
R Subtask 28-25-00-941-087-A
R A. Safety Precautions
R R (1) Make sure that the ground safety locks are installed on the landing gear (Ref. TASK 32-00-00-481-001).
R R (2) You must obey the refuel/defuel safety precautions (Ref. TASK 12-11-28-650-001) (Ref. TASK 12-11-28-650-002).
R R R CAUTION : DO NOT REFUEL OR DEFUEL THROUGH THE TWO REFUEL/DEFUEL_______ COUPLINGS AT THE SAME TIME. THIS IS TO PREVENT PRESSURE DIFFERENCE PROBLEMS.
R R (3) Make sure that the chocks do not touch the tires. The weight of the fuel can lower the aircraft and cause the chocks to catch.
R (4) Put the safety barriers in position.
R **ON A/C ALL
Subtask 28-25-00-010-088
B. Get Access
(1) To get access to the left refuel valve 7QU:
(a) Put the access platform in position below zone 522.
(b) Remove the access panel 522JB.
(2) To get access to the right refuel valve 8QU:
(a) Put the access platform in position below zone 622.
(b) Remove the access panel 622JB.
(3) To get access to the center tank refuel valve 10QU:
(a) Open the RH MLG door 744 (Ref. TASK 32-12-00-010-001).
(b) Make sure that the GROUND LOCK SLEEVE (460005835) is on the applicable MLG door actuator.
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(c) Put the access platform in position below zone 148.
4. Procedure
_________ R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 401-499,
Subtask 28-25-00-860-075
A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft and the fuel tanker/pump unit are grounded correctly (Ref. TASK 12-34-24-869-001) and electrically bonded together correctly.
NOTE : Bonding is essential, grounding is recommended.
____
(2)
Do a fuel sampling for water contamination check on the fuel in the fuel tanker/pump unit (Ref. TASK 12-32-28-281-001).
(3)
Remove the refuel coupling cap 41QM.
(4)
Make sure that the coupling of the fuel supply-hose is clean.
(5)
Connect the coupling of the fuel supply-hose to the aircraft refuel coupling.
(6)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(7)
Energize the ECAM system (Ref. TASK 31-60-00-860-001).
(8)
On the ECAM control panel, push (in) the FUEL P/BSW.
(9)
On the ECAM lower DU:
-
make sure that the FUEL page is shown
-
make sure that the intercell transfer valves are closed.
(10) If the intercell transfer valves are open:
(a)
Refuel the aircraft until there is a minimum of 1000 kg (2204.6220 lb) of fuel in the wing tank inner cell.
(b)
On panels 49VU and 121VU, open the circuit breakers 1QT and 2QT. NOTE : It is not necessary to install safety clips and tags on
____
the circuit breakers.
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(c)
After a minimum of 5 seconds, the FQIC will de-energize.
(d)
On panels 49VU and 121VU, close the circuit breakers 1QT and 2QT.
(e)
After a minimum of 60 seconds, the FQIC will re-energize and cycle the intercell transfer valves.
**ON A/C 051-051,
Subtask 28-25-00-860-075-B
A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft and the fuel tanker/pump unit are grounded correctly (Ref. TASK 12-34-24-869-001) and electrically bonded together correctly.
NOTE : Bonding is essential, grounding is recommended.
____
(2) Do a fuel sampling for water contamination check on the fuel in the fuel tanker/pump unit (Ref. TASK 12-32-28-281-001).
CAUTION : DO NOT REFUEL OR DEFUEL THROUGH THE TWO REFUEL/DEFUEL
_______ COUPLINGS AT THE SAME TIME. THIS IS TO PREVENT PRESSURE DIFFERENCE PROBLEMS.
(3)
Remove the applicable refuel coupling cap 101QM(41QM).
(4)
Make sure that the coupling of the fuel supply-hose is clean.
(5)
Connect the coupling of the fuel supply-hose to the aircraft refuel coupling.
(6)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
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