(a) If the resistance is more than 100 Megohms:
- Replace the ELAC-1 (2CE1) (Ref. AMM TASK 27-93-34-000-001) and (Ref. AMM TASK 27-93-34-400-001).
- Replace the ELAC-2 (2CE2) (Ref. AMM TASK 27-93-34-000-001) and (Ref. AMM TASK 27-93-34-400-001).
1_ If the fault continues:
. Replace the solenoid valve (Ref. AMM TASK 27-34-51-000-005)
and (Ref. AMM TASK 27-34-51-400-004).
2 If the fault continues:
_ . Replace the SERVO CTL-R ELEVATOR, INBD Y (34CE2) (Ref. AMM TASK 27-34-51-000-001) and (Ref. AMM TASK 27-34-51-400-001).
3 do a check of the wiring from the ELAC1 (2CE1) COM part to the
_ ELAC1 COM part, from the pin AB/13K to the pin AB/13F (Ref. ASM 27-93/07):
a If the wiring is correct, see Para. 4_
_
b If the wiring is not correct:
_
- repair it
- install the ELAC1 (Ref. AMM TASK 27-93-34-400-001) 4 do a check of the wiring from the ELAC1 (2CE1) COM part to the
_ ELAC1 MON part, from the pin AB/13E to the pin AE/12D (Ref. ASM 27-93/07):
a If the wiring is correct, see Para. 5_
_
b If the wiring is not correct:
_
- repair it
- 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/13B and AE/12C to the first terminal block (Ref. ASM 27-93/07):
6 Remove the ELAC-2 (2CE2) (Ref. AMM TASK 27-93-34-000-001)
_ 7 Do a check of the wiring from the ELAC-1 (2CE1) COM part to
_ the ELAC-2 (2CE2) MON part, from pin AB/13C to pin AE/12F (Ref. ASM 27-93/07).
- if there is continuity, see Para. 8_
- if there is no continuity, repair the above wiring. 8 Do a check and repair the wiring from the ELAC-2 (2CE2) MON
_ part pin AE/12C to the first terminal block (Ref. ASM 27-93/08).
9 Install the ELAC-1 (2CE1) and the ELAC-2 (2CE2) (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 A285
Feb 01/03R
CES (b) If the resistance is less than 100 Megohms:
- at the SERVO CTL-R ELEVATOR, INBD Y (34CE2), 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-R ELEVATOR, INBD Y (34CE2) (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-R ELEVATOR, INBD Y (34CE2) 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).
B. Do the tests 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 A286
Feb 01/03R
CES Loss of the RA 1 Bus for the ELAC 2
1. Possible Causes
_______________
- ELAC-2 (2CE2)
- wiring of the DGI 10 signal from the ELAC 2 (2CE2) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
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