-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 hydraulic low-pressure switch tube.
Subtask 29-11-49-865-058
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 29-11-49-010-071
D. Get Access
(1) Open the left fan cowl door: FOR 1000EM1 - open the door 437AL (Ref. TASK 71-13-00-010-040).
(2) Put the access platform in position at the engine.
4. Procedure_________
R
Subtask 29-11-49-020-067
R R A. Removal of the Hydraulic Low-Pressure Switch Tube (Ref. Fig. 407/TASK 29-11-49-991-910) PRE SB RA32029-13
R R (1) Disconnect the low-pressure switch tube (15) from the pressure hose/tube and let the fluid flow into the container.
NOTE : Use a second wrench to hold the fitting on the pressure____ hose/tube when you loosen the coupling nut on the tube.
R Hydraulic Low-Pressure Switch Tube Figure 407/TASK 29-11-49-991-910
1EFF : 1 1 1CES ALL 1 111 29-11-49 Page 447 Aug 01/05
(2) Disconnect the low-pressure switch tube (15) from the hydraulic low-pressure switch.
NOTE : Use a second wrench to hold the pressure switch when you____ loosen the coupling nut on the tube.
(3) Remove the bolt (5) and the washer (10) that attach the clamps (20) to the channel. Remove the clamp (20) from the low-pressure switch tube (15).
(4) Remove the low-pressure switch tube (15) from the engine.
R (5) Put protective covers on the low-pressure switch tube (15), the fitting on the pressure hose/tube and the hydraulic low-pressure switch. END PRE SB RA32029-13
R Subtask 29-11-49-020-087
R R R B. Removal of the Hydraulic Low-Pressure Switch Tube (Ref. Fig. 408/TASK 29-11-49-991-922) POST SB RA32029-13
R R (1) Disconnect the low-pressure switch hose/tube assembly (17) from the pressure hose/tube and let the fluid flow into the container.
R R NOTE : Use a second wrench to hold the fitting on the pressure____ hose/tube when you loosen the coupling nut on the tube.
R R (2) Disconnect the low-pressure switch hose/tube assembly (17) from the hydraulic low-pressure switch.
R R NOTE : Use a second wrench to hold the pressure switch when you____ loosen the coupling nut on the tube.
R R R (3) Remove the bolt (7) and the washer (10) that attach the clamp (20) to the channel. Remove the clamp (20) from the low-pressure switch hose/tube assembly (17).
R R R (4) Remove the bolts (7), the washers (10) and the nuts (25) that attach the clamps (20) to the channel. Remove the clamps (20) from the low-pressure switch hose/tube assembly (17).
R (5) Remove the low-pressure switch hose/tube assembly (17).
R R Hydraulic Low-Pressure Switch Hose/Tube Assembly Figure 408/TASK 29-11-49-991-922
1EFF : 1 1 1CES ALL 1 111 29-11-49 Page 449 Aug 01/05
R (6) Put protective covers on the low-pressure switch hose/tube assembly R (17), the fitting on the pressure hose/tube and the hydraulic R low-pressure switch. R END POST SB RA32029-13 TASK 29-11-49-400-005
Installation of the Hydraulic Low-Pressure Switch Tube
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
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 HYDRAULIC POWER 液压2(107)
