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C. Referenced Information
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REFERENCE DESIGNATION
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R 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
R External Power 71-13-00-010-040 Opening of the Fan Cowl Doors 78-30-00-481-041 Make the Thrust Reverser Unserviceable for Maintenance 78-36-00-010-040 Opening of the Thrust Reverser Doors 75-32-10-991-300 Fig. 401 75-32-10-991-301 Fig. 402 75-32-10-991-302 Fig. 403
3. Job Set-up
__________
Subtask 75-32-10-941-052
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice 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) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a warning notice to tell persons not to energize the FADEC
1(2). R
R Subtask 75-32-10-861-051
R B. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
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R Subtask 75-32-10-865-055
R C. Open, safety and tag this(these) circuit breaker(s):
R -------------------------------------------------------------------------------R PANEL DESIGNATION IDENT. LOCATION R -------------------------------------------------------------------------------R 49VU FUEL/LP VALVE/MOT1/ENG2 2QG A09 R 49VU FUEL/LP VALVE/MOT1/ENG1 1QG A08
Subtask 75-32-10-010-055
R D. Get Access
(1) Open Fan Cowl Doors: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2) Put the access platform in position.
Subtask 75-32-10-040-053
R E. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 75-32-10-010-057
R F. Open Thrust Reverser Cowl Doors: (Ref. TASK 78-36-00-010-040) FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
4. Procedure
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(Ref. Fig. 401/TASK 75-32-10-991-300, 402/TASK 75-32-10-991-301, 403/TASK 75-32-10-991-302)
Subtask 75-32-10-820-051
A. Move the piston rod of the VSV actuator to the position that allows for easy removal as follows.
(1) Remove the head-end and rod-end flex-hoses from the hydromechanical unit (HMU).
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VSV Actuator (Right Side Shown)
Figure 401/TASK 75-32-10-991-300
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VSV Actuator (Left Side Shown)
Figure 402/TASK 75-32-10-991-301
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Cart-stator Actuator Connections
Figure 403/TASK 75-32-10-991-302
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(2) Install the head-end hose of the CART - STATOR ACTUATOR (856A1084G04) to the head-end flex-hose that you disconnected from the HMU.
NOTE : If the Stator Actuator Cart is not available, a pressure
____ source of dry, regulated air, nitrogen or argon may be used as an alternative.
(3) Install the rod-end hose of the CART - STATOR ACTUATOR (856A1084G04) to the rod-end flex-hose that you disconnected from the HMU.
(4) Apply pressure CAUTION : DO NOT LET THE PRESSURE BE MORE THAN 300PSI (20.68BAR) OR
_______
YOU WILL CAUSE DAMAGE TO ENGINE PARTS.
(a) Apply pressure, as necessary (approximately 100 psi (6.9 bar)), to set the piston rod of the VSV actuator to the removal position. 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 AIR 空气(65)
