2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 22-66-34-000-002 Removal of the FAC (1CC1,1CC2)
AMM 22-66-34-400-002 Installation of the FAC (1CC1,1CC2)
AMM 22-96-00-710-001 Operational Test of the AFS
AMM 27-22-51-000-001 Removal of the Rudder Trim Actuator (10CC)
AMM 27-22-51-400-001 Installation of the Rudder Trim Actuator (10CC)
AMM 27-23-51-000-001 Removal of the Rudder Travel Limitation Unit 4CC
R AMM 27-23-51-400-001 Installation of the Rudder Travel-Limitation Unit 4CC ASM 22-67/01
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU AUTO FLT/FAC2/28VDC 5CC2 M19
B. Test
(1) Do the operational test of the AFS (Ref. AMM TASK 22-96-00-710-001) and read the result for the FAC 2.
(a) If the circuit breaker 5CC2 is open refer to Para. 4.B.
4. Fault Isolation
_______________
A. If the circuit breaker 5CC2 is closed, and if the test gives the maintenance message AFS: FAC2:
- do a check for 28VDC at the FAC 2 (1CC2).
(1) If there is 28VDC:
- replace the FAC-2 (1CC2), (Ref. AMM TASK 22-66-34-000-002) and (Ref. AMM TASK 22-66-34-400-002).
(2) If there is no 28VDC:
- do a check of the wiring of the 28VDC signal from the circuit
breaker (5CC2) to the FAC 2 (1CC2). R - do a check of the wiring of the ground signal at the FAC 2 (1CC2) R pin AC/3.
(Ref. ASM 22-67/01).
(a) If there is no continuity:
- repair the above wirings.
(b) If there is continuity:
- replace the C/B-AUTO FLT/FAC 2/28VDC (5CC2).
B. If the circuit breaker 5CC2 is open:
- close this circuit breaker.
(1) If this circuit breaker opens again:
- disconnect these three units:
LIMITATION UNIT-RUDDER TRAVEL (4CC)
ACTUATOR-RUDDER TRIM (10CC)
FAC-2 (1CC2)
- close the circuit breaker 5CC2.
(a) If this circuit breaker stays closed:
- connect the units one by one until the circuit breaker 5CC2 opens again
- replace the related unit: for LRU 4CC: (Ref. AMM TASK 27-23-51-000-001) and (Ref. AMM TASK 27-23-51-400-001) for LRU 10CC: (Ref. AMM TASK 27-22-51-000-001) and (Ref. AMM TASK 27-22-51-400-001) for LRU 1CC2: (Ref. AMM TASK 22-66-34-000-002) and (Ref. AMM TASK 22-66-34-400-002).
(b) If this circuit breaker opens again:
- do a check for a short to ground between the circuit breaker 5CC2 and the three units, (Ref. ASM 22-67/01).
1 If there is a short to ground:
_ - repair the related wiring.
「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 ∞∞22-66-00∞∞∞∞∞∞∞∞∞∞Page 205
Feb 01/05 CES
_
- replace the C/B-AUTO FLT/FAC 2/28VDC (5CC2).
(2) Connect all the units.
C. Do the test given in Para. 3.
Loss of the FAC 1 GENERAL Bus
1. Possible Causes
_______________
- FAC-1 (1CC1)
- wiring of the FAC OWN (GENERAL BUS) from the FAC 1 (1CC1) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-66-34-000-002 Removal of the FAC (1CC1,1CC2)
AMM 22-66-34-400-002 Installation of the FAC (1CC1,1CC2)
AMM 22-96-00-710-001 Operational Test of the AFS
ASM 22-69/01
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the AFS (Ref. AMM TASK 22-96-00-710-001) and read the result for the FAC 1.
4. Fault Isolation
_______________
A. If the test gives the maintenance message AFS: FAC1/C-M ARINC LINK:
- replace the FAC-1 (1CC1), (Ref. AMM TASK 22-66-34-000-002) and (Ref. AMM TASK 22-66-34-400-002).
(1) If the fault continues:
- do a check and repair the wiring of the FAC OWN (GENERAL BUS) from the FAC 1 (1CC1) to the first terminal block, (Ref. ASM 22-69/01).
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本文链接地址：A320 Trouble Shooting Manual 排故手册 AUTO FLIGHT 自动飞行2
