- maintenance steps are not necessary.
4. Fault Isolation
_______________
A. If the FUEL - AUTO FEED FAULT ECAM warning/FAULT legend,
does not operate as specified in the AMM Test:
(1) Replace the FQIC (3QT) (Ref. AMM TASK 28-42-34-000-001) and (Ref. AMM TASK 28-42-34-400-001).
(2) Do the test given in Para. 3.A.(2).
(3) Do a check of (Ref. ASM 28-21/04) and replace if necessary:
- the P/BSW-CTR TK/MODE SEL/AUTO (48QA).
(4) Do the test given in Para. 3.A.(2).
(5) If the fault continues, do a check of (Ref. ASM 28-21/04), the:
- aircraft wiring (FAULT ground/earth line) between the FQIC (3QT) rack connector AB, pins 8B and 9B, and the P/BSW-CTR TK/MODE SEL/AUTO (48QA), terminal C1
- switch wiring (FAULT ground/earth line) between the P/BSW-CTR TK/MODE SEL/AUTO (48QA) terminals C3 and 8
- aircraft wiring (AUTO/MAN line) between the P/BSW-CTR TK/MODE SEL/AUTO (48QA), terminal D2 and the SDAC-1 (1WV1) rack connector AA, pin 13G
- aircraft wiring (AUTO/MAN line) between the P/BSW-CTR TK/MODE SEL/AUTO (48QA), terminal D2 and the SDAC-2 (1WV2) rack connector AA, pin 13G.
NOTE : The FQIC ARINC output bus lines (1A, 1B, 2A, and 2B) are not
____ checked. A wiring fault in the bus wiring would show as a different failure.
(6) Repair all the unserviceable wiring and connectors.
(7) Do the test given in Para. 3.A.(2).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-149, 151-199, ∞∞28-21-00∞∞∞∞∞∞∞∞∞∞Page A250
201-299, 401-499, Aug 01/05 CES
TASK 28-21-00-810-817
Fuel Pumps - Center Tank Fuel Pump No. 1 (Left Side) Contactor Control Failure (Manual Control)
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
WARNING : WHEN YOU DO WORK ON THE FUEL SYSTEM WIRING, YOU MUST USE TEST
_______ EQUIPMENT THAT IS APPROVED (REFER TO INTERNATIONAL OR NATIONAL SPECIFICATIONS FOR INTRINSICALLY SAFE TEST EQUIPMENT, E.G. EN50-020, UL913 OR EQUIVALENT). TEST EQUIPMENT THAT IS NOT APPROVED CAN CAUSE FIRE OR AN EXPLOSION.
1. Possible Causes
_______________
- CNTOR-CTR TK PUMP 1 SPLY (35QA)
- RELAY-CTR TK AUTO CONTROL, PUMP 1 (41QA)
- P/BSW-FUEL/CTR TK/PUMP 1 (33QA)
- aircraft wiring
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific multimeter
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
28-21-00-810-813 Fuel Pumps - Center Tank Fuel Pump No. 1 (Left Side)
37QA System Malfunction
ESPM 20-00-00
AMM 12-11-28-650-004 Pressure Refuel with Manual Control
AMM 28-25-00-869-001 Fuel Transfer
AMM 31-60-00-860-001 EIS Start Procedure
ASM 28-21/03
3. Fault Confirmation
__________________
A. Test
(1) If necessary, do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
(a) On the ECAM control panel, push (in) the FUEL P/BSW.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-149, 151-199, ∞∞28-21-00∞∞∞∞∞∞∞∞∞∞Page A251
201-299, 401-499, Aug 01/05 CES
(b) Make sure that the FUEL page shows on the ECAM lower display unit.
(2) Make sure that the center tank contains more than 250 kg (560 lb) of fuel. Refuel (Ref. AMM TASK 12-11-28-650-004) or transfer fuel (Ref. AMM TASK 28-25-00-869-001), if necessary.
(3) Make sure that the CTR TK MODE SEL P/BSW (48QA) white MAN legend is on. If necessary, release (out) the CTR TK MODE SEL P/BSW (48QA) to set the center tank fuel pumps control to manual mode.
(4) Push (in) the CTR TK PUMP 1 P/BSW (33QA).
(5) Examine the center-tank left side fuel-pump No. 1 symbol, on the FUEL system page, at the ECAM lower display unit.
(6) If the symbol shows:
- green in-line, no more maintenance steps are necessary (normal operation)
- amber cross-line, do Para. 4.A. 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1(133)
