(2) On the overhead panel 40VU, look for the FAULT lights of the BLUE ELEC PUMP P/BSW (2704GJ) and the GREEN/ENG 1 PUMP P/BSW (1705GK).
「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 ∞∞29-12-00∞∞∞∞∞∞∞∞∞∞Page 245
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4. Fault Isolation
_______________
A. If the Fault Confirmation gives:
- the FAULT light of the BLUE ELEC PUMP P/BSW (Panel 40VU) is ON at the same time with the FAULT light of the GREEN ENG 1 PUMP P/BSW (Panel 40VU):
(1) Do a check for continuity between the: EIU-1 (1KS1) connector AB/90 and the RELAY-OIL LOW PRESS AND GROUND, ENG 1 (10KS1) connector A/X (Ref. ASM 73-25/09).
(a) If there is no continuity:
- do a check and repair the wiring between the: EIU-1 (1KS1) connector AB/90 and the RELAY-OIL LOW PRESS AND GROUND, ENG 1 (10KS1) connector A/X (Ref. ASM 73-25/09).
(2) If the fault continues:
(a) Do a check for continuity between the: EIU-1 (1KS1) connector AB/90 and the RELAY-OIL LOW PRESS AND GROUND, ENG 1 (11KS1) connector A/X (Ref. ASM 73-25/09).
(b) If there is no continuity:
- do a check and repair the wiring between the: EIU-1 (1KS1) connector AB/90 and the RELAY-OIL LOW PRESS AND GROUND, ENG 1 (11KS1) connector A/X (Ref. ASM 73-25/09).
(3) If the fault continues:
(a) Do the operational test of the EIU-1 (1KS1) (Ref. AMM TASK 73-25-34-710-043).
(b) If necessary, replace the EIU-1 (1KS1) (Ref. AMM TASK 73-25-34-000-040) and (Ref. AMM TASK 73-25-34-400-040).
(4) If the fault continues:
(a) Do a check for continuity between the: SW-LOW OIL PRESS (4000EN) connector A/3 and the EIU-1 (1KS1) connector AA/7A (Ref. ASM 73-25/08).
(b) If there is no continuity:
- do a check and repair the wiring between the: SW-LOW OIL PRESS (4000EN) connector A/3 and the EIU-1 (1KS1) connector AA/7A (Ref. ASM 73-25/08).
(5) If the fault continues:
(a) Do a check for continuity between the: SW-LOW OIL PRESS (4000EN) connector A/2 and the connector A/3 (Ref. ASM 73-25/08).
「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 ∞∞29-12-00∞∞∞∞∞∞∞∞∞∞Page 246
Feb 01/03R CES
(b) If there is no continuity:
- Replace the SW-LOW OIL PRESS (4000EN) (Ref. AMM TASK 79-34-15-000-041) and (Ref. AMM TASK 79-34-15-400-041).
B. Do the procedure as given in Para. 3. B. to make sure that the operation of the system is correct (No FAULT lights ON).
5. Close-up
________
A. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
「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 ∞∞29-12-00∞∞∞∞∞∞∞∞∞∞Page 247
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CES
TASK 29-12-00-810-816
FAULT Light of the BLUE ELEC PUMP P/BSW is ON at the same Time as the FAULT Light of the ENG2 PUMP P/BSW
1. Possible Causes
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- EIU-2 (1KS2)
- RELAY-OIL LOW PRESS AND GROUND, ENG 2 (10KS2)
- SW-LOW OIL PRESS (4000EN)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power AMM 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power AMM 73-25-34-000-040 Removal of the Engine Interface Unit (EIU) AMM 73-25-34-400-040 Installation of the Engine Interface Unit (EIU) AMM 73-25-34-710-043 Operational Test of the Engine Interface Unit AMM 79-34-15-000-041 Removal of the Low Oil Pressure Switch (4000EN) AMM 79-34-15-400-041 Installation of the Low Oil Pressure Switch (4000EN) ASM 73-25/08 ASM 73-25/09
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 121VU HYDRAULIC/Y HYD/PUMP ENG2/MONG 3700GD Q37
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