B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 71-13-00-010-040 Opening of the Fan Cowl Doors 29-11-39-991-901 Fig. 401
3. Job Set-up
__________ Subtask 29-11-39-860-050
A. Aircraft Maintenance Configuration
(1)
Make sure that the hydraulic systems are depressurized and put them in the maintenance configuration (Ref. TASK 29-00-00-864-001).
(2)
Depressurize the related hydraulic reservoir (Ref. TASK 29-14-00-614-001).
Subtask 29-11-39-010-051
B. Get Access
(1) Put the access platform in position at the engine.
(2)
Open the left fan-cowl door 437AL (Ref. TASK 71-13-00-010-040). Subtask 29-11-39-941-051
C.
Safety Precautions
(1)
Put warning notice(s) in position to tell persons not to pressurize the hydraulic system: - on the panel 40VU, in the cockpit, - on the ground service panel of the Green hydraulic system, access
door 197CB.
(2)
Put warning notice(s) on the access door 195BB to tell persons not to pressurize the Green hydraulic reservoir.
(3)
Put warning notice(s) in position on the panel 40VU to tell persons not to start the engine 1(2).
(4)
Make sure that the related engine has been stopped for at least 5 minutes.
(5)
On the panel 50VU:
-make sure that the ON legend of the related ENG FADEC GND PWR pushbutton switch is off.
-put warning notice(s) to tell persons not to supply power to the FADEC system.
(6)
On the panel 115VU:
-make sure that the related ENG MASTER 1(2) switch is in the OFF position.
(7)
Put a container below the suction-hose coupling to the hydraulic pump.
4. Procedure
_________
(Ref. Fig. 401/TASK 29-11-39-991-901) Subtask 29-11-39-020-051
A. Removal of the Engine 1 Quick-Disconnect Coupling Half
(1)
Disconnect the coupling half (5) from the fluid disconnnect panel. Let the hydraulic fluid drain into the container.
(2)
Disconnect the suction hose from the coupling half (5). NOTE : Use a second wrench to hold the coupling half when you loosen
____
the suction hose.
(3)
Install protective covers on the suction hose, the coupling half (5) and the disconnect panel.
Engine 1 Pump Suction Quick-Disconnect Coupling Half
Figure 401/TASK 29-11-39-991-901
TASK 29-11-39-400-041
Installation of the Engine 1 Pump Suction Quick-Disconnect Coupling Half (1038GM)
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
WARNING : DO NOT TOUCH THE HYDRAULIC SYSTEM COMPONENTS FOR A SHORT TIME AFTER
_______ THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS STAY HOT FOR SOME TIME AND CAN CAUSE INJURY.
CAUTION : DO NOT LET HYDRAULIC FLUID FALL ON THE ENGINE. UNWANTED HYDRAULIC
_______ FLUID MUST BE REMOVED IMMEDIATELY WITH A CLEAN LINT FREE CLOTH. THE FLUID CAN CAUSE DAMAGE TO THE SURFACE PROTECTION AND TO SOME PARTS.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific warning notice(s)
No specific access platform 0.8 m (2 ft. 7 in.)
No specific container 5 l (1.3208 USgal)
No specific Torque Wrench : range 2.00 to 20.00 m.daN
(15.00 to 150.00 lbf.ft) 中國航空網 m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機維護手冊 AMM HYDRAULIC POWER 液壓2(56)
