- aircraft wiring between the RELAY-DEFUEL/XFR VALVE POSITION (19QU), terminal 1, and the ANN LT-DEFUEL/XFR/OPEN (21QU), terminal I, at 800VU.
(12) Repair all the unserviceable wiring and connectors.
(13) Do the test given in Para. 3.A.
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**ON A/C ALL
TASK 28-25-00-810-809
Refuel - Memo Message REFUELG Not Shown When REFUEL Panel Door Is Open Or (If Installed) Cockpit Refuel Set To On
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
1. Possible Causes
_______________
- FQIC (3QT)
- aircraft wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-67-00-810-801 Refueling not Possible AMM 12-11-28-650-003 Pressure Refuel with Automatic Control AMM 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
External Power AMM 28-42-34-000-001 Removal of the Fuel Quantity-Indicating Computer (FQIC) (3QT) AMM 28-42-34-400-001 Installation of the Fuel Quantity-Indicating Computer
(FQIC) (3QT)
AMM 31-60-00-860-001 EIS Start Procedure
ASM 28-42/03
3. Fault Confirmation
__________________
A. Table of the circuit breakers referred to in this procedure:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FUEL/FQI/CHAN/1 1QT A13 121VU FUEL/FQI/CHANNEL/1 AND 2 8QT L26 121VU FUEL/HI/LVL/SPLY 1QJ L25 121VU FUEL/RFL/DFL/SPLY 2QU L24 121VU FUEL/FQI/CHAN/2 2QT M27
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B. Test
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the fuel C/Bs that follow are closed:
- 1QJ
- 1QT
- 2QT
- 8QT
- 2QU.
(3) Do the EIS Start Procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
(4) Open the REFUEL panel door 192MB/522KB/622KB or (if installed) set the cockpit refuel PWR P/BSW (23QU) to on.
(5) Monitor the upper ECAM Display Unit (DU), left memo section of the display, for the refueling message REFUELG.
(6) If the memo REFUELG:
(a) Is shown, maintenance steps are not necessary.
(b) Is not shown, go to Para. 4.A.
4. Fault Isolation
_______________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
A. Procedure
(1) Make sure that the REFUEL panel door is open.
(2) At the CTL PNL-REFUEL/DEFUEL (800VU), do the steps that follow to check the availability of the different 28VDC refueling supplies:
(a) 28VDC Refueling Bus 1 501PP
1 C/B-1QJ output
_ Do the HI LVL LTS TEST (Ref. AMM TASK 12-11-28-650-003) to see if they come on/illuminate.
2 C/B-2QU output
_ Monitor the FLOODLIGHT-REFUEL/DEFUEL CTL PNL (32QU) to see if it is on/illuminated.
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(b) 28VDC Refueling Bus 2 502PP
1 C/B-8QT
_ Monitor the displays of the PRESELECTOR-FUEL QUANTITY, MULTI TANK (5QT) and the IND-FUEL QTY MULTI TANK (6QT) to see if they come on/are energized.
(3) If all three of the checks in step (2) operate or illuminate correctly, go to step (6).
(4) If one of the checks in step (2) does not operate or illuminate correctly, go to P. Block 101 and do the applicable troubleshooting.
(5) If all three of the checks in step (2) do not operate or illuminate correctly, do Refueling not Possible (Ref. TASK 24-67-00-810-801).
(6) Temporarily replace the FQIC (3QT) (Ref. AMM TASK 28-42-34-000-001) and (Ref. AMM TASK 28-42-34-400-001).
(7) If the REFUELG memo message is shown:
- complete the installation of the FQIC (3QT) (Ref. AMM TASK 28-42-34-000-001) and (Ref. AMM TASK 28-42-34-400-001). 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 FUEL 燃油2(75)
