B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power 29-00-00-910-002 Safety Procedures of the Hydraulic System 29-10-00-863-001 Pressurize the Green Hydraulic System 29-10-00-864-001 Depressurize the Green Hydraulic System 29-11-43-610-040 Servicing of the Engine-Pump Case-Drain Filter
(1084GM) 29-11-45-610-001 Servicing of the HP-Filter 1048GM 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access 71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 12-36-29-991-001 Fig. 301
3. Job Set-up
__________
(Ref. Fig. 301/TASK 12-36-29-991-001)
Subtask 12-36-29-860-050
A. Aircraft Maintenance Configuration
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-001).
(3)
Depressurize the reservoir of the Green hydraulic system (Ref. TASK 29-14-00-614-001).
(4)
De-enerize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
Subtask 12-36-29-010-084
B. Get Access
(1)
Open the engine 1 fan-cowl doors (Ref. TASK 71-13-00-010-040).
(2)
Open the left MLG door (Ref. TASK 32-12-00-010-001).
Green Hydraulic System of the EDP 1030GK - Flushing Schematic
Figure 301/TASK 12-36-29-991-001
(3) Open the access door 197CB. Subtask 12-36-29-860-051
C. Preparation for the Flushing Procedure
(1)
Put the warning notices in position.
(2)
Put an access platform in position at the Zone 147.
(3)
Put the safety barriers in position.
(4)
Put the containers in postion to collect the hydraulic fluid below:
-
the engine driven pump 1030GK,
-
the case drain filter 1084GM,
-
the LP manifold 1003GM.
(5)
Disconnect the case-drain lower line from the engine driven pump 1030GK.
(6)
Disconnect the pressure line from the engine driven pump 1030GK.
(7)
Disconnect the case-drain upper and lower lines from the case drain filter 1084GM.
(8)
Disconnect the case-drain upper line from the LP manifold 1003GM.
(9)
Connect the pressure line and the case-drain lower line together with a union.
(10)
Put the hydraulic power cart in position as necessary. CAUTION : MAKE SURE THAT THE FLOW RATE AND THE SUPPLY PRESSURE ON THE
_______ GROUND HYDRAULIC CART ARE SET TO A MINIMUM.
(11)
Connect the pressure hose of the hydraulic power cart to the filter end of the case-drain lower-line with an adaptor.
(12)
Connect the return hose of the hydraulic power cart to the delivery connector 1008GM with an adaptor.
(13)
Put blanking plugs on the disconnected line ends.
4. Procedure
_________
(Ref. Fig. 301/TASK 12-36-29-991-001) Subtask 12-36-29-170-050
A. Flush the Green hydraulic system.
(1)
Operate the hydraulic power cart for 20 s at 20 bar (290.0754 psi).
(2)
Stop the hydraulic power cart.
(3)
Disconnect the pressure hose of the hydraulic power cart and the adaptor from the case-drain lower line.
(4)
Disconnect the return hose of the hydraulic power cart and the adaptor from the delivery connector 1008GM.
(5)
Remove the blanking plugs. CAUTION : MAKE SURE THAT THE FLOW RATE AND THE SUPPLY PRESSURE ON THE
_______ GROUND HYDRAULIC CART ARE SET TO A MINIMUM. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM SERVICING 2(93)
