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(7) On the Valveblock, do a check for circuit isolation.
(a) For the POB solenoid connect the pins L & K together.
(b) Connect one test lead of the 45Vdc Isolation Tester to the pins LK and the other test lead to pin G.
(c) Supply a test signal for 5 seconds and read the shown resistance value
(d) the resistance value must be greater than 100Megohms.
(8) If the POB SOLENOID fails one of the two tests at Para 4.A.(2) and
(3) replace the POB solenoid (Ref. AMM TASK 27-54-52-000-001) (Ref. AMM TASK 27-54-52-400-001)
(9) If the tests at Para 4.A(2). and (3) are satisfactory.
(10) Do the operation given in Para 4.A.(1).
(11) Set the MCDU to MENU MODE and access the FLP ON GROUND FAULTS page and make sure that the ground log is clear.
(12) If the CFDS shows the same fault message,then the fault is with the PCU valveblock
(a) Examine the valveblock FILTERS (Ref. AMM TASK 27-54-53-000-003) (Ref. AMM TASK 27-54-53-400-003) and clean/replace the examined item.
(b) Do the test at Para.4.A.(1) and do a check of the FLP ON GROUND FAULTS page, If the fault stays.
(c) Examine the VALVE BLOCK-FLAP 1 (23CV) or VALVE BLOCK-FLAP 2 (24CV) and replace the faulty item. (Ref. AMM TASK 27-54-53-000-001) (Ref. AMM TASK 27-54-53-400-001)
(d) Do the operation at Para.4.A.(1) and make sure the ground log is clear.
(e) Do the SFCC 1 (2) reset, refer to Para.3.B.
5. Close-up ________ A. Remove the ground support and maintenance equipment, the special and standard tools and all other items. B. Put the aircraft back to its initial configuration. 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞27-51-00∞∞∞∞∞∞∞∞∞∞Page 261 May 01/04R CES
Flaps Command Sensor Unit Failure. 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 _______________ - CSU (51CV) 2. Job Set-up Information ______________________ A. Referenced Information -------------------------------------------------------------------------------REFERENCE DESIGNATION ------------------------------------------------------------------------------- AMM 27-50-00-869-006 Reset of the Wing Tip Brake (WTB) of the Flap System on the Ground AMM 27-51-17-000-001 Removal of the Command Sensor Unit (CSU) (51CV) AMM 27-51-17-400-001 Installation of the Command Sensor Unit (CSU) (51CV) AMM 27-54-00-710-001 Operational Test of the Flap System AMM 27-80-00-869-004 Reset of the Wing Tip Brake (WTB) of the Slat System on the Ground AMM 27-84-00-710-001 Operational Test of the Slat System
3. Fault Confirmation __________________ A. Procedure. (1) This fault has locked the wing tip brakes of the slat and flap system, no fault confirmation is necessary. (a) Do the fault isolation. 4. Fault Isolation _______________ A. Procedure. (1) Replace the defective CSU (51CV) (Ref. AMM TASK 27-51-17-000-001) (Ref. AMM TASK 27-51-17-400-001), but do not do the operational tests of the flaps and slats. 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞27-51-00∞∞∞∞∞∞∞∞∞∞Page 262 May 01/04R CES
(2) Do the reset of the WTBs of the flaps and slats (Ref. AMM TASK 27-50-00-869-006) and (Ref. AMM TASK 27-80-00-869-004).
(3) Do the operational test of the flaps and slats (Ref. AMM TASK 27-54-00-710-001) and (Ref. AMM TASK 27-84-00-710-001).
5. Close-up ________ A. Remove the ground support and maintenance equipment, the special and standard tools and all other items. B. Put the aircraft back to its initial configuration. 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞27-51-00∞∞∞∞∞∞∞∞∞∞Page 263 May 01/04R CES SFCC 1 or 2 Shows a LH or RH Flap Attachment Proximity Sensor as a Misadjustment www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 飞行操纵 2
