(2)
Make sure that the level of the hydraulic fluid in the reservoir of the Green hydraulic system is correct. Add fluid as necessary (Ref. TASK 12-12-29-611-001) or (Ref. TASK 12-12-29-611-002).
(3)
Make sure that the air pressure in the reservoir of the Green hydraulic system is not less than 50 psi (3.4473 bar). If necessary pressurize the reservoir (Ref. TASK 29-14-00-614-002).
Subtask 29-00-00-410-061
B. Close the main doors of the main landing gear (Ref. TASK 32-12-00-410-001).
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TASK 29-00-00-870-003
Bleeding Procedure of the Green Hydraulic System Downstream of the Engine Pump
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE CLEAR.
_______
MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR
DAMAGE.
1. Reason for the Job
__________________
-Do the first procedure after maintenance of the Green hydraulic system downstream of the engine pump. If no hydraulic ground cart is available, do the second bleeding procedure
R with an engine run.
-Do the second procedure after loss of a large quantity of hydraulic fluid in the Green hydraulic system.
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-12-29-611-001 Fill the Hydraulic Fluid Reservoir with a Hand Pump 12-12-29-611-002 Fill the Hydraulic Fluid Reservoir with a Hydraulic Service Cart 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power 27-64-00-710-001 Operational Test of the Spoiler Hydraulic Actuation 29-00-00-870-001 Bleeding Procedure of the Green Hydraulic System
Upstream of the Engine Pump 29-00-00-870-002 Bleeding Procedure of the Green Hydraulic System
Upstream of the PTU
29-00-00-910-002 Safety Procedures of the Hydraulic System
29-10-00-863-001 Pressurize the Green Hydraulic System
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-10-00-864-001 Depressurize the Green Hydraulic System
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs
29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through the Ground Connector
71-00-00-710-001 Dry Motoring Check
71-00-00-710-003 Engine Automatic Start
71-00-00-710-028 Engine Shutdown
29-00-00-870-001 Bleeding Procedure of the Green Hydraulic System Upstream of the Engine Pump (for corrective action)
29-00-00-870-002 Bleeding Procedure of the Green Hydraulic System Upstream of the PTU (for corrective action)
3. Job Set-up__________
Subtask 29-00-00-865-064
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/ELAC1/NORM/SPLY 15CE1 B11 49VU FLIGHT CONTROLS/FCDC1/SPLY 20CE1 B10 49VU FLIGHT CONTROLS/SEC1/NORM/SPLY 21CE1 B08 49VU AUTO FLT/FAC1/28VDC 5CC1 B04 49VU AUTO FLT/FAC1/26VAC 14CC1 B03 105VU FLIGHT CONTROLS/ELAC2/STBY SPLY 16CE2 A02 105VU FLT CTL/ELAC1/STBY SPLY 16CE1 A01 121VU FLIGHT CONTROLS/FCDC2/SPLY 20CE2 Q20 121VU FLIGHT CONTROLS/ELAC2/NORM/SPLY 15CE2 R20
Subtask 29-00-00-860-063
B. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Make sure that the replaced component is correctly installed.
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(3) Make sure that the hydraulic reservoir of the Green hydraulic system is pressurized. If necessary pressurize it (Ref. TASK 29-14-00-614-002).
4. Procedure
_________
Subtask 29-00-00-870-054
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