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ACCESSORY GEARBOX ASSEMBLY - MAINTENANCE PRACTICES
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TASK 72-63-00-860-001
Disengagement/Engagement of the Horizontal Drive Shaft
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
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REFERENCE QTY DESIGNATION
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No specific slide hammer
No specific warning notice
No specific Torque Wrench : range 180.00 to 1800.00 lbf.in
(2.00 to 20.00 m.daN)
856A2632 1 PULLER R 856A2718 1 TOOL SET, R/I - DRIVE SHAFTS
B. Consumable Materials
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REFERENCE DESIGNATION
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Material No. CP2442 *
engine oil (Ref. 70-30-00)
C. Expendable Parts
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FIG.ITEM |DESIGNATION |IPC-CSN
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R 40 O-ring 72-63-00 04 -060 R
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D. Referenced Information
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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
72-63-00-000-002 Removal of the Handcranking Drive Cover
72-63-00-400-002 Installation of the Handcranking Drive Cover
72-63-00-991-301 Fig. 201
72-63-00-991-302 Fig. 202
72-63-00-991-303 Fig. 203
72-63-00-991-304 Fig. 204
3. Job Set-up
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Subtask 72-63-00-941-059
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).
Subtask 72-63-00-010-066
B. Get Access
(1) Open the fan cowls doors: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR.
(2) Remove the handcranking drive cover (Ref. TASK 72-63-00-000-002).
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4. Procedure
_________ (Ref. Fig. 201/TASK 72-63-00-991-301, 202/TASK 72-63-00-991-302, 203/TASK 72-63-00-991-303, 204/TASK 72-63-00-991-304)
Subtask 72-63-00-010-067
A. Removal of the Handcranking Drive Nut
R (1) Install the wrench, part of the TOOL SET, R/I - DRIVE SHAFTS (856A2718G02) as follows:
(a) Set the wrench guide on the AGB housing and attach it with the 2 bolts supplied.
(b) Turn the wrench axle to engage the forward square end of the axle into the handcranking drive (10).
(2) Loosen the nut (20). Use the axle as a countertorque device.
(3) Remove the tool and the nut (20) from the AGB housing.
Subtask 72-63-00-010-068
B. Removal of the Handcranking Drive
(1) Install and tighten the PULLER (856A2632G01) into the tapped hole of the handcranking drive (10).
(2) Install and tighten a slide hammer into the puller.
(3) Operate the slide hammer and remove the handcranking drive (10).
(4) Remove the slide hammer from the puller.
(5) Remove the PULLER (856A2632G01) from the handcranking drive (10).
(6) Remove O-ring (40) from the handcranking drive (10). Discard the O-ring (40).
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