(e) Remove the 3 mounting pins (680), (715) and (735) with an impact puller.
(f) Slowly and carefully lower the hydraulic hoist platform and separate the accessory drive assembly from the engine.
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(g) Two different cases can appear when you remove the accessory drive assembly from the engine:
1 If the radial drive shaft (675) comes with the TGB, remove the
_ radial drive shaft (675) from the TGB.
2 If the radial drive shaft (675) remains in the fan frame:
_ 3 Install a PULLER RADIAL DRIVE SHAFT (856A2727G01) in the
_
radial drive shaft.
4 Remove the radial drive shaft (675) from the fan frame with a
_
slide hammer.
5 Remove the tools from the radial drive shaft.
_
(h) Remove the O-ring (755) from the radial drive shaft. Discard the O-ring (755).
(i) Store the radial drive shaft in its storage tube (765).
(8) Removal of the TGB from the AGB
(a) Disengage the horizontal drive shaft (Ref. TASK 72-63-00-860-001).
(b) Remove the nuts (510), the washers (515) and the bolts (480) from the TGB/AGB interface.
(c) Remove the brackets (485), (505), (520) and (525).
(d) Remove the TGB from the AGB and from the FIXTURE, SUPPORT - TGB R/I (856A2719G02). Keep the gasket (500).
R (e) Remove the O-ring (495) from the oil distributor in the bevel
R gear.
R
R (Ref. Fig. 404/TASK 72-63-00-991-310)
R NOTE : Make sure that O-ring (495) is serviceable and O-ring
____ R outer diameter is correct. If it is not serviceable, R remove and discard it with soft nose pliers.
(f) Install the TGB blanking kit (760) as follows: 1 Install a cap on the upper face of the TGB housing.
_
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_
3 Install a plug in the TGB scavenge port.
_
4 Install a plug in the TGB vent port.
_
5 Install a cover on the forward face of the TGB housing.
_
(g) Place the TGB in a storage container.
(9) Removal of the AGB from the Tools
(a) Engage the horizontal drive shaft (Ref. TASK 72-63-00-860-001).
(b) Remove the O-ring (490) from the horizontal drive shaft. Discard the O-ring (490).
(10) When you remove all equipments from the AGB, apply on all bearings storage oil as follows: Mix 5 percent of corrosion protective additive (Material No. CP2859) with engine oil (Material No. CP2442) and lightly coat all bearings with a pipette.
(a) Install the AGB blanking kit (775) as follows:
1 Install a cap on the lubrication unit pad.
_
2 Install a cap on the hydraulic pump pad.
_
3 Install a cap on the alternator pad.
_
4 Install a cap on the IDG pad.
_
5 Install a cap on the fuel pump pad.
_
6 Install a cap on the starter pad.
_
7 Install a cover on the radial drive shaft housing.
_
8 Put blanking plugs and caps on all nipples and orifices.
_
(b) Install the SLING - AGB (856A3519G01/G02) as follows: 1 Attach the 2 sectors at each end of the AGB with the 2
_
lockpins supplied.
2 Attach the SLING - AGB (856A3519GO1/G02) to a hoist.
_
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(c) Remove the lockpins and loosen the clamp which attach the FIXTURE SUPPORT - AGB (856A2754G01) to the AGB.
(d) Remove the AGB from the FIXTURE SUPPORT - AGB (856A2754G01). Place the AGB in a storage container.
(e) Remove the SLING - AGB (856A3519G01/G02) from the AGB.
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TASK 72-63-00-400-003
Installation of the Accessory Gearbox Assembly
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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