_______ 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 circuit breaker(s) safety clip(s)
No specific protective covers
No specific warning notice(s)
No specific wrench
R
No specific container 5 l (1.3208 USgal) R FOR FIN 1000EM1 R No specific access platform 0.8 m (2 ft. 7 in.)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-23-00-864-001 Depressurize the Green and Yellow Hydraulic Systems
after Operation of the PTU
29-11-49-991-906 Fig. 403
29-11-49-991-907 Fig. 404
FOR FIN 1000EM1
R 71-13-00-010-040 Opening of the Fan Cowl Doors
3. Job Set-up
__________
Subtask 29-11-49-860-065
A. Aircraft Maintenance Configuration
(1)
Depressurize the Green hydraulic system (Ref. TASK 29-23-00-864-001).
(2)
Depressurize the Green hydraulic reservoir (Ref. TASK 29-14-00-614-001).
(3)
Put warning notice(s) in position to tell persons not to pressurize the Green hydraulic system: - on the ground service panel 197CB.
(4)
Put warning notice(s) on the access door 195BB to tell persons not to pressurize the Green hydraulic reservoir.
Subtask 29-11-49-941-065
B. Safety Precautions
(1)
On the center pedestal, on the ENG panel 115VU:
-put warning notice(s) to tell persons not to start the engine.
(2)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3)
Put warning notice(s) in position to tell persons not to pressurize the Green hydraulic system:
-in the cockpit, on the HYD section of the overhead panel 40VU.
(4)
On the overhead maintenance panel 50VU:
-make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(5)
Put warning notice(s) to tell persons not to energize the FADEC 1(2).
(6)
Put a container below the suction-hose adapter connection to the hydraulic pump.
Subtask 29-11-49-865-053
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 29-11-49-010-065
D. Get Access
R (1) Open the left fan cowl door: FOR 1000EM1 R - open the door 437AL (Ref. TASK 71-13-00-010-040).
(2) Put an access platform in position at the engine.
4. Procedure
_________
(Ref. Fig. 403/TASK 29-11-49-991-906, 404/TASK 29-11-49-991-907)
Subtask 29-11-49-020-060
A. Removal of the Hydraulic Pressure Hose
(1) Disconnect the pressure hose/tube (20) from the union in the hydraulic pump and let the fluid flow into the container.
NOTE : Use a second wrench to hold the union on the hydraulic pump
____ when you loosen the coupling nut on the pressure hose/tube.
(2)
Disconnect the pressure hose/tube (20) from the fluid disconnect panel at the top of the engine.
(3)
Remove the bolt (5), the washer (10) and the clamp (15) that attach the presure hose/tube (20) to the higher bracket.
(4)
Remove the bolts (5), the washers (10) and the clamps (15) that
attach the pressure hose/tube (20) to the two channels.
(5)
Disconnect the pressure switch tube from the tee-fitting on the
pressure hose/tube (20).
Hydraulic Pressure Hose/Tube Assembly 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(98)
