「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 ∞∞27-93-00∞∞∞∞∞∞∞∞∞∞Page 272
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1_ If there is no continuity, repair the wiring.
2_ If there is continuity : - do a check of the wiring from the relay (36CE1) to the relay (53CE) from the pin A/A2 to the pin A/B2 (Ref. ASM 27-93/13). - do a check of the wiring from the relay (53CE) pin A/B3 to the C/B (19CE1) (Ref. ASM 27-93/13).
a_ If there is no continuity, repair the wiring.
R R R b_ If there is continuity : - do a check and repair the wiring of the XDCR MON MOT 1 (V1, V2) signal, from the THS actuator (9CE) to the ELAC 2 (2CE2) (Ref. ASM 27-93/13). - do a check and repair the wiring of the XDCR COM MOT 1 (V1, V2) signal, from the THS actuator (9CE) to the ELAC 2 (2CE2) (Ref. ASM 27-93/13).
B. Do the tests given in Para. 3.
Failure of the THS Actuator Servo Motor 1
1. Possible Causes
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- RELAY-PITCH TRIM ACTUATOR MOTOR 1 SPLY (36CE1)
- ELAC-2 (2CE2) R
- Electronic module 1
- wiring of the K3-1 signal from the ELAC 2 (2CE2) to the first terminal block
- wiring of the DSI-49 signal from the ELAC 2 (2CE2) to the ELAC 2 (2CE2)
- wiring of the enable signal from the THS actuator (9CE) to the ELAC 2 (2CE2)
- wiring from the relay (36CE1) to the ELAC 2 (2CE2) and to the THS actuator (9CE)
- wiring of the fault signal from the THS actuator to the ELAC 2 (2CE2) R - pich trim actuator
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
IPC 27920803 R AMM 27-44-57-000-001 Removal of the Pitch Trim Actuator from the THS R Actuator 9CE
AMM 27-44-57-000-002 Removal of the Electronic Modules of the Pitch Trim
Actuator R AMM 27-44-57-400-001 Installation of the Pitch Trim Actuator to the THS R Actuator 9CE
AMM 27-44-57-400-002 Installation of the Electronic Modules of the Pitch
Trim Actuator
AMM 27-93-34-000-001 Removal of the ELAC (2CE1,2CE2)
AMM 27-93-34-400-001 Installation of the ELAC (2CE1,2CE2)
AMM 27-96-00-710-022 Operational Test of the THS Actuator Electrical
Control (Activation for BITE Test)
AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning)
ASM 27-93/13
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the THS actuator electrical control (Ref. AMM TASK 27-96-00-710-022).
NOTE : Do the ground setting only with the ELAC 2.
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「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 ∞∞27-93-00∞∞∞∞∞∞∞∞∞∞Page 274
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(2) Do the BITE test of the EFCS (ground scanning) (Ref. AMM TASK 27-96-00-740-001).
NOTE : Wait 60 seconds before you start the BITE test.
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4. Fault Isolation
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A. If the BITE test gives the maintenance message:
THS ACTR SERVO MOT1 9CE
(1) Remove the RELAY-PITCH TRIM ACTUATOR MOTOR 1 SPLY (36CE1) (Ref. IPC 27920803).
(2) Do a check of the resistance between pins X1 and X2 of the relay.
(a) If the resistance is less than 280 ohms:
- replace the RELAY-PITCH TRIM ACTUATOR MOTOR 1 SPLY (36CE1)
- replace the ELAC-2 (2CE2) (Ref. AMM TASK 27-93-34-000-001) and (Ref. AMM TASK 27-93-34-400-001).
(b) If the resistance is more than 400 ohms:
- replace the RELAY-PITCH TRIM ACTUATOR MOTOR 1 SPLY (36CE1).
(c) If the resistance is between 280 and 400 ohms:
- install the RELAY-PITCH TRIM ACTUATOR MOTOR 1 SPLY (36CE1)
- see Para (3).
(3) If the fault continues:
- replace the ELAC-2 (2CE2) (Ref. AMM TASK 27-93-34-000-001) and (Ref. AMM TASK 27-93-34-400-001).
(4) If the fault continues:
R - replace the RELAY-PITCH TRIM ACTUATOR MOTOR 1 SPLY (36CE1) (Ref. IPC 27920803).
(5) If the fault continues:
- replace the Electronic module 1 (Ref. AMM TASK 27-44-57-000-002) and (Ref. AMM TASK 27-44-57-400-002).
(6) If the fault continues:
- do a check of the wiring of the K3-1 signal from the ELAC 2 (2CE2) to the first terminal block, COM part and MON part, (Ref. ASM 27-93/13).
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