- install the ELAC1 (Ref. AMM TASK 27-93-34-400-001)
5 do a check and repair the wiring from the ELAC1 (2CE1) MON
_ part pins AE/13A and AE/10C to the first terminal block (Ref. ASM 27-93/07):
6 Install the ELAC-1 (2CE1) (Ref. AMM TASK 27-93-34-400-001).
_
(b) If the resistance is less than 100 Megohms:
- at the SERVO CTL-L ELEVATOR, INBD G (34CE1), do a check of the insulation of the solenoid valve between pin C/K (pin C/L) and the ground.
1 If the resistance is less than 100 Megohms:
_ Replace the solenoid valve (Ref. AMM TASK 27-34-51-000-005) and (Ref. AMM TASK 27-34-51-400-004).
a Do again a check of the insulation of the solenoid valve
_ between pin C/K (pin C/L) and the ground. If the resistance is less than 100 Megohms: . Replace the SERVO CTL-L ELEVATOR, INBD G (34CE1) (Ref. AMM TASK 27-34-51-000-001) and (Ref. AMM TASK 27-34-51-400-001). . Replace the ELAC-1 (2CE1) (Ref. AMM TASK 27-93-34-000-001) and (Ref. AMM TASK 27-93-34-400-001).
2 If the resistance is more than 100 Megohms:
_
a Repair the wiring of the solenoid valve signal from the
_ SERVO CTL-L ELEVATOR, INBD G (34CE1) to the ELAC-1 (2CE1).
b Replace the ELAC-1 (2CE1) (Ref. AMM TASK 27-93-34-000-001)
_ and (Ref. AMM TASK 27-93-34-400-001).
「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 A243
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B. Do the test given in Para. 3.
「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 A244
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CES Loss of the Signal of the Left Green Elevator-Servocontrol Solenoid Valve by the ELAC 1
CAUTION : DO NOT SWAP FLIGHT CONTROL COMPUTERS. IF THERE IS A SHORT CIRCUIT,
_______ YOU WILL CAUSE DAMAGE TO A SERVICEABLE COMPUTER WHEN YOU SWAP THEM.
1. Possible Causes
_______________
- SERVO CTL-L ELEVATOR, INBD G (34CE1)
- ELAC-1 (2CE1)
- ELAC-2 (2CE2)
- solenoid valve of the servocontrol 34CE1
- wiring of the SOL VLV1 signal from the servocontrol (34CE1) to the ELAC1 (2CE1)
- wiring from the ELAC1 (2CE1) COM part to the ELAC1 COM part
- wiring from the ELAC1 (2CE1) COM part to the ELAC1 MON part
- wiring from the ELAC1 (2CE1) MON part pins AE/13A and AE/10C to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 27-34-51-000-001 Removal of the Elevator Servo Control AMM 27-34-51-000-005 Removal of the Elevator Servo Control Actuator
Solenoid Valve AMM 27-34-51-400-001 Installation of the Elevator Servo Control AMM 27-34-51-400-004 Installation of the Elevator Servo Control Actuator
Solenoid Valve 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 27-96-00-710-020 Operational Test of the Side Stick Assembly
(Activation for the BITE Test) AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning) ASM 27-93/07 ASM 27-93/08
「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 A245
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CES
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the side stick assembly (activation for the BITE test) (Ref. AMM TASK 27-96-00-710-020).
NOTE : Before you start the operational test procedure, release the
____ FLT CTL/ELAC 2 pushbutton switch (on this pushbutton switch the OFF legend comes on).
(2) Do the BITE test of the EFCS (ground scanning) (Ref. AMM TASK 27-96-00-740-001).
4. Fault Isolation
_______________
A. If the tests give the maintenance message ELAC1 OR WIRING TO L G ELEV SOL VLV 34CE1:
(1) Remove the ELAC1 (Ref. AMM TASK 27-93-34-000-001).
(2) At the ELAC1 receptacle, do a check of the resistance between the pin AB/14J and the pin AE/14A (Ref. ASM 27-93/07).
NOTE : The resistance must be between 40 and 100 Ohms.
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