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D. Referenced Information
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REFERENCE DESIGNATION
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71-00-00-710-006 Minimum Idle Check
71-13-00-010-040 Opening of the Fan Cowl Doors
71-13-00-410-040 Closing of the Fan Cowl Doors
72-63-00-991-300 Fig. 401
R 72-63-00-991-320 Fig. 402
3. Job Set-up
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Subtask 72-63-00-860-054
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).
Subtask 72-63-00-010-073
B. Make sure that the fan cowl doors are open: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
4. Procedure
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R (Ref. Fig. 401/TASK 72-63-00-991-300, 402/TASK 72-63-00-991-320)
Subtask 72-63-00-420-058
A. Installation of the Handcranking Drive Cover.
CAUTION : DO NOT INSTALL THE COVER ON THE AGB WITHOUT THE NEW O-RINGS. IF
_______ THE COVER IS INSTALLED WITHOUT THE NEW O-RINGS, THE ENGINE CAN LEAK OIL. THIS CAN CAUSE ENGINE FAILURE.
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E E May 01/98 E E ECES ER (1) Lubricate 2 new O-ring (30) with engine oil (Material No. CP2442) and R install them into the grooves of the cover (40).
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(2) Lubricate threads of bolts (10) with graphite grease (Material No. CP2101).
PRE SB CFM 72-156
(3) Install the cover (40) and attach it with the 2 bolts (10) and washers (20).
END PRE SB CFM 72-156
POST SB CFM 72-156
(4) Install the cover (40) which is attached by the lanyard cable to the accessory gearbox and attach it with the 2 bolts (10) and washers (20).
END OF SB CFM 72-156
(5) TORQUE the bolts (10) to between 97 and 106 lbf.in (1.09 and 1.19 m.daN). Safety with a lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) and lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
Subtask 72-63-00-710-057
B. Test CAUTION : DO NOT OPERATE THE ENGINE WITHOUT A CORRECTLY INSTALLED COVER
_______ ON THE N2 HANDCRANKING DRIVE PAD. IF THE COVER IS NOT INSTALLED CORRECTLY, THE ENGINE CAN HAVE OIL LEAKAGE. THIS CAN CAUSE ENGINE FAILURE.
(1) Do a minimum idle check (Ref. TASK 71-00-00-710-006) and check for leaks.
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E E Nov 01/03 E E ECES E 5. Close-up
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________ Subtask 72-63-00-410-059
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the fan cowl doors: (Ref. TASK 71-13-00-410-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(3) Remove the warning notice(s).
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TASK 72-63-00-000-003
Removal of the Accessory Gearbox 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 blanking plugs and caps
No specific container
No specific hydraulic hoist platform
No specific pipette
No specific slide hammer
R No specific soft nose pliers No specific warning notice No specific access platform 1 m (3 ft. 3 in.) 856A2537 1 PROTECTOR - MOUNTING PIN 856A2719 1 FIXTURE, SUPPORT - TGB R/I 856A2727 1 PULLER RADIAL DRIVE SHAFT 856A2754 1 FIXTURE SUPPORT - AGB 856A3519 1 SLING - AGB 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 ENGINE 发动机 2(134)
