(2) On the overhead panel 40VU, look for the FAULT lights of the BLUE ELEC PUMP P/BSW (2704GJ) and the YELLOW/ENG 2 PUMP P/BSW (3703GD).
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4. Fault Isolation
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A. If the Fault Confirmation gives:
- the FAULT light of BLUE ELEC PUMP P/BSW (Panel 40VU) is ON at the same time as the FAULT light of the YELLOW ENG 2 PUMP P/BSW (Panel 40VU):
(1) Do a check for continuity between the: EIU-2 (1KS2) connector AB/90 and the RELAY-OIL LOW PRESS AND GROUND, ENG 2 (10KS2) connector A/X (Ref. ASM 73-25/09).
(a) If there is no continuity:
- do a check and repair the wiring between the: EIU-2 (1KS2) connector AB/90 and the RELAY-OIL LOW PRESS AND GROUND, ENG 2 (10KS2) connector A/X (Ref. ASM 73-25/09).
(2) If the fault continues:
- replace the RELAY-OIL LOW PRESS AND GROUND, ENG 2 (10KS2).
(3) If the fault continues:
(a) Do the operational test of the EIU-2 (1KS2) (Ref. AMM TASK 73-25-34-710-043).
(b) If necessary, replace the EIU-2 (1KS2) (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-2 (1KS2) 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-2 (1KS2) 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).
(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).
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5. Close-up
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A. De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
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CES
TASK 29-12-00-810-817
Indication of the Hydraulic Fluid Quantity of the Blue Reservoir shows High
Level
1. Possible Causes
_______________
- gas leaks
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
29-12-00-810-801 Loss of the Blue Reservoir Pressurization 29-12-00-810-803 Loss of the Correct Quantity in the Blue Hydraulic Reservoir 29-12-00-810-818 Indication of the Hydraulic Fluid Quantity of the Blue Reservoir shows High or Low Level or fluctuates 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 29-00-00-870-008 Bleeding Procedure of the Blue Hydraulic System Upstream of the Blue E-Pump AMM 29-00-00-870-009 Bleeding Procedure of the Blue Hydraulic System
Downstream of the Blue E-Pump
R AMM 29-10-00-200-002 Check Reservoir Air Pressure on Reservoir Gauge
R AMM 29-10-00-200-005 Check Nitrogen Charge Pressure on the Blue Main
R System Accumulator by Reading Gauge AMM 29-10-00-680-003 Drainage of the Reservoir of the Blue Hydraulic System AMM 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through the Ground Connector AMM 31-60-00-860-001 EIS Start Procedure AMM 31-60-00-860-002 EIS Stop Procedure
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/HYD/QTY/IND 1831GQ P35
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