(5) If the solenoid electrical checks are OK, go to step (7).
(6) If the solenoid electrical checks are not OK:
- replace the applicable WTB Solenoid Valve, (Ref. AMM TASK 27-51-51-000-002) and (Ref. AMM TASK 27-51-51-400-002).
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(7) If the fault continues:
- do a check and repair the aircraft wiring between the applicable SFCC 1 (2) ARINC tray interface and the applicable electrical connector 33CV-A or 33CV-B, (Ref. ASM 27-51/06) or (Ref. ASM 27-51/07).
(8) Do the test in Para. 3.A.
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CES FLP RH WTB BLU Solenoid 34CV or Open or Short Circuit to SFCC 1 FLP RH WTB GRN Solenoid 34CV or Open or Short Circuit to SFCC 2
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______ CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
1. Possible Causes
_______________
- SFCC-1 (21CV)
- SFCC-2 (22CV)
- BRAKE-R WING TIP (34CV)
- A/C wiring between SFCC 1 ARINC tray interface and the electrical
connector
- 34CVA
- A/C wiring between SFCC 2 ARINC tray interface and the electrical
connector
- 34CVB
- WTB solenoid valve
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific Multimeter No specific 45Vdc Isolation Tester
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CES
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 27-51-00-740-002 Bite Test of the Slat and Flap Control Computers
(Flap System) AMM 27-51-34-000-001 Removal of the SFCC (21CV,22CV) AMM 27-51-34-400-001 Installation of the SFCC (21CV,22CV) AMM 27-51-51-000-002 Removal of the Solenoid Valves of the Flap Wing-Tip
Brake (WTB)
AMM 27-51-51-400-002 Installation of the Solenoid Valves of the Flap
Wing-Tip Brake (WTB)
ASM 27-51/06
ASM 27-51/07
3. Fault Confirmation
__________________
A. SFCC System Bite WTB Solenoid test
(1) Do a BITE test on the SFCC 1 (2) (Ref. AMM TASK 27-51-00-740-002). The fault data "RH WTB solenoid open circuit (disconnect)" is displayed, or the fault data "RH WTB solenoid short circuit" is displayed.
(2) Do the fault isolation.
4. Fault Isolation
_______________
A. Procedure.
(1) Swap the SFCC 1 and SFCC 2 (Ref. AMM TASK 27-51-34-000-001) for (Ref. AMM TASK 27-51-34-400-001) do Para.2,3 and 4 only.
(a) Access the FLP ON GROUND FAULTS and do a check of the ground log.
(2) If the fault moves with SFCC 1(2).
(3) Install the SFCC 1 (2) in their initial locations.
- replace the unserviceable SFCC-1 (21CV) (SFCC-2 (22CV)) Ref.Para 4.A.(1).
(4) If the fault continues:
(a) find electrical connector for the BRAKE-R WING TIP (34CV) solenoids and release.
(5) Do a check of the A/C wiring between SFCC 1 ARINC tray interface and the electrical connector (Ref. ASM 27-51/06) 34CVA (BLUE solenoid)
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本文链接地址：A320 Trouble Shooting Manual 排故手册 飞行操纵 2(8)
