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R Disconnection of Feedback Rod and Disengagement of Main Flexible Shaft
R Figure 402/TASK 75-31-50-991-301- 12 (SHEET 1)
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R Figure 402/TASK 75-31-50-991-301- 22 (SHEET 2)
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(a) Disengage the hexagonal end of the main flex shaft (10), while you push it back in the VBV stop mechanism (90) with an hexagonal head wrench, 5/64 in. across flats.
(8) Remove bleed valve and master ballscrew actuator (30).
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TASK 75-31-50-400-002
Installation of the Bleed Valve and Master Ballscrew Actuator Assembly
1. Reason for the Job
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Self Explanatory
2. Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific hexagonal head wrench, 5/64 in.
No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
R No specific Torque Wrench : range 5.00 to 35.00 lbf.in R (0.05 to 0.40 m.daN) R
No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
856A2501 1 WRENCH - VBV MANUAL CONTROL
856A3114 1 WRENCH - VBV BALLSCREW ACTUATOR
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2101 USA MIL-T-5544
graphite grease (Ref. 70-30-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
120 cotter pin 75-31-70 01 -130 120 cotter pin 75-31-70 01 -130A
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D. Referenced Information
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REFERENCE DESIGNATION
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71-13-00-010-040 Opening of the Fan Cowl Doors
71-13-00-410-040 Closing of the Fan Cowl Doors
72-23-00-000-027 Removal of the Fan Duct Panels
72-23-00-400-027 Installation of the Fan Duct Panels
73-29-00-710-040 Operational Test of the FADEC on the Ground (with Engine Motoring)
75-31-00-200-002 Manual Operation Check of the Variable Bleed Valve Doors
75-31-00-820-001 Adjustment of the Reference CLOSED Position of the VBV System
75-31-70-400-002 Installation of the Variable Bleed Valve position Sensor
78-30-00-081-041 Make the Thrust Reverser Serviceable after Maintenance
78-30-00-481-041 Make the Thrust Reverser Unserviceable for Maintenance
78-36-00-010-040 Opening of the Thrust Reverser Doors
78-36-00-410-040 Closing of the Thrust Reverser Doors
75-31-50-991-300 Fig. 401
75-31-50-991-301 Fig. 402
3. Job Set-up
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Subtask 75-31-50-860-050
A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a warning notice is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a warning notice is in position to tell persons not to energize the FADEC 1(2). 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 AIR 空氣(56)
