(b) If you find no external gas leaks, or the fault continues:
1_ Replace the ACCU-G PWR (1070GM) (Ref. AMM TASK 29-11-42-000-
001) and (Ref. AMM TASK 29-11-42-400-001).
2_ Do the bleeding procedures of the Green hydraulic system (Ref.
AMM TASK 29-00-00-870-001), (Ref. AMM TASK 29-00-00-870-002)
and (Ref. AMM TASK 29-00-00-870-003).
B. Do the procedure as given in Para. 3. B. to make sure that the operation of the hydraulic quantity indication is correct.
5. Close-up
________
A. Put the aircraft back to the serviceable condition.
(1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
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CES
TASK 29-11-00-810-814
Hydraulic System Pressure higher than normal
1. Possible Causes
_______________
- FILTER-ENG PUMP CASE DRAIN (1084GM)
- PUMP-G, ENG 1 (1030GK)
- PRESS XDCR-G (1065GN)
- FILTER-HP, G (1048GM)
- SDAC-1 (1WV1)
- SDAC-2 (1WV2)
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific 1 GROUND POWER UNIT - HYDRAULIC
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 12-12-29-611-001 Fill the Hydraulic Fluid Reservoir with a Hand Pump AMM 12-12-29-611-002 Fill the Hydraulic Fluid Reservoir with a Hydraulic Service Cart 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 29-10-00-863-001 Pressurize the Green Hydraulic System AMM 29-10-00-864-001 Depressurize the Green Hydraulic System AMM 29-11-43-610-041 Servicing the Engine-Pump Case-Drain Filter (1084GM) AMM 29-11-45-610-001 Servicing of the HP-Filter 1048GM AMM 29-11-51-000-041 Removal of the Green Engine Pump (1030GK) AMM 29-11-51-400-041 Installation of the Green Engine Pump (1030GK) AMM 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector AMM 29-32-11-000-001 Removal of the Hydraulic Pressure Transducer (1065GN) AMM 29-32-11-400-001 Installation of the Hydraulic Pressure Transducer
(1065GN)
AMM 31-55-34-000-001 Removal of the SDAC (1WV1,1WV2)
AMM 31-55-34-400-001 Installation of the SDAC (1WV1,1WV2)
AMM 31-60-00-860-001 EIS Start Procedure
AMM 31-60-00-860-002 EIS Stop Procedure
AMM 71-00-00-710-001 Dry Motoring Check
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3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/SOL VALVES/G/Y/B/LEAK/TST 1881GP N35 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
B. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. AMM TASK 31-60-00-860-001).
(3) On the ECAM control panel on the center pedestal, press the HYD pushbutton. Make sure that the HYD page is shown on the ECAM lower Display Unit (DU).
(4) Make sure that the ECAM does not show any of these conditions:
- low air pressure in the Green reservoir,
- low fluid level in the Green reservoir.
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