C. Expendable Parts
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FIG.ITEM |DESIGNATION |IPC-CSN
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R 20 packing 78-31-49 01A-250
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
78-30-00-081-041 Make the Thrust Reverser Serviceable after
Maintenance
78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance 78-30-00-710-040 Thrust Reverser Hydraulic System Bleed Procedure 78-36-00-010-040 Opening of the Thrust Reverser Doors 78-36-00-410-040 Closing of the Thrust Reverser Doors 78-31-49-991-327 Fig. 426
3. Job Set-up
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Subtask 78-31-49-860-105
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.
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(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).
(3) Make sure that the access platform is in position.
Subtask 78-31-49-010-162
B. Get Access
(1) Make sure that the fan cowl doors are open: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(2) Make sure that the thrust reverser doors are open: (Ref. TASK 78-36-00-010-040) FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 78-31-49-040-131
C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
4. Procedure
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(Ref. Fig. 426/TASK 78-31-49-991-327)
Subtask 78-31-49-420-096
A. Installation of the Rod Supply Junction Pipe
(1) Remove the protective covers from the pipe ends. R (2) Lubricate the packing (20) with thrust reverser hydraulic fluid.
(3) Put the packing (20) on the fixed end of the upper rod swivel joint.
(4) Install the swivel joint on the rod supply junction pipe.
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(5) TORQUE the swivel joint to between 260 and 300 lbf.in (2.93 and 3.39 m.daN).
(6) Put the junction pipe in position on the forward frame.
(7) Attach the junction pipe to the middle hydraulic line bracket with the nut.
(8) TORQUE the nut to between 370 and 410 lbf.in (4.18 and 4.63 m.daN).
(9) Connect the upper rod supply hose to the swivel joint.
(10) TORQUE the coupling nut to between 130 and 150 lbf.in (1.46 and 1.69 m.daN).
(11) Connect the junction pipe to the lower rod swivel joint.
(12) TORQUE the coupling nut to between 130 and 150 lbf.in (1.46 and 1.69 m.daN).
(13) Connect the rod supply pipe to the middle hydraulic line bracket.
(14) TORQUE the coupling nut to between 235 and 260 lbf.in (2.65 and 2.93 m.daN).
(15) Attach the lower head shield to the forward frame with the bolts and nuts.
(16) TORQUE the nuts to between 61 and 70 lbf.in (0.68 and 0.79 m.daN).
(17) Attach the upper head shield to the middle hydraulic line bracket with the bolts.
(18) TORQUE the bolts to between 27 and 30 lbf.in (0.30 and 0.33 m.daN). NOTE : Apply a witness line of finish paint EA4 blue 5991 (Material
____ No. CP2245) on all nuts and connections after they are torqued.
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________ Subtask 78-31-49-410-112
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the thrust reverser doors: (Ref. TASK 78-36-00-410-040) FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機維護手冊 AMM EXHAUST 2(23)
