DOC AIRBUS | TSM A320FMAIN TRANSFER SYSTEM - TASK SUPPORTING DATA
** ON A/C NOT FOR ALL
1. General
The diagrams that follow are to help you do the trouble-shooting tasks.
For the Main Transfer (Center Tank to Wing Tanks) System:
** ON A/C NOT FOR ALL The diagrams that follow are to help you do the trouble-shooting tasks.
For the Main Transfer (Center Tank to Wing Tanks) System:
- Physical Layout see
- Block Diagram and Basic Control Logic see
Main Transfer System - Block Diagram and Basic Control Logic ** ON A/C NOT FOR ALL Main Transfer System - Block Diagram and Basic Control Logic ** ON A/C NOT FOR ALL - Auto Control Logic see
- Engine Feed Interface see
2. Maintenance Notices
The maintence notices that follow are to give you an introduction or understanding of possible reported problems associated with the Main Transfer System.
The maintenance notices provide useful data for the maintenance staff.
The maintence notices that follow are to give you an introduction or understanding of possible reported problems associated with the Main Transfer System.
The maintenance notices provide useful data for the maintenance staff.
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| ! MAINTENANCE NOTICE ! |
| ! MALFUNCTION (Deviation from the desired system operation) ! |
| ! MAIN TRANSFER SYSTEM - SPURIOUS FUEL L(R) WING TANK OVERFLOW WARNING ! |
| !-----------------------------------------------------------------------------! |
| ! ! |
| ! General Description During high aircraft descent rates reports ! |
| ! of the ECAM message FUEL L(R) WING TANK ! |
| ! OVERFLOW appearing have been made. ! |
| ! The warning is triggered by effects other ! |
| ! than a fuel overflow into the vent surge ! |
| ! tank. ! |
| ! ! |
| ! The abnormal operation of the ECAM warning ! |
| ! can be caused by the fuel level sensor on ! |
| ! the RIBs 24 giving incorrect information. ! |
| ! This is caused by cold air flows in the ! |
| ! vicinity of the sensor, with no fuel level. ! |
| ! ! |
| ! Action A shroud is to be added to the Fuel Level ! |
| ! Sensing System (FLSS) Installation 28-46-00,! |
| ! over the sensors 28QJ1(2), so that only fuel! |
| ! can activate them. ! |
| ! ! |
| ! Reference OEB 115/5 and ! |
| ! TFU : 28.46.00.004 ! |
| ! ! |
| ! Return to the related procedure: ! |
| ! - Task 808, for L Wing Tank Overflow ! |
| ! - Task 809, for R Wing Tank Overflow. ! |
| ! Continue with Para. 3.A.(3). ! |
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NOTE: A similar Maintenance Notice with reference to the same problem is given in Chapter 28-46-00, P. Block 301 for TASK 28-46-00-810-812.