Installation of the Dedicated Alternator Drive Gear Assembly [IAE]

TASK 72-60-33-400-010-B
Installation of the Dedicated Alternator Drive Gear Assembly

WARNING: DO NOT LET ENGINE OIL STAY ON YOUR SKIN FOR A LONG TIME. FLUSH THE OIL FROM YOUR SKIN WITH WATER. THE OIL IS POISONOUS AND CAN GO THROUGH YOUR SKIN AND INTO YOUR BODY.

FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 95 and 85 lbf.in (1.07 and 0.96 m.daN )
No specific	Torque wrench: range to between 350 and 320 lbf.in (3.96 and 3.62 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V02-126)	lockwire

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
5	PACKING	AIPC 72-60-33-80-040
3	PACKING	AIPC 72-60-33-80-050

E. Referenced Information

REFERENCE	DESIGNATION
TASK 70-23-11-911-013-A	General Torque Tightening Techniques
TASK 70-23-13-911-010-A	Procedures for the Installation of Preformed Packings
TASK 70-40-11-911-014-A	Locking Devices General Information
TASK 71-00-00-710-022-B	Test No. 6: Electronic Engine Control (EEC) System Idle Test
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 73-22-38-000-010-B	Removal of the Engine Dedicated Alternator (EDA) Stator and/or Cooling Shroud
TASK 73-22-38-400-010-B	Installation of the Engine Dedicated Alternator (EDA) Stator and or Cooling Shroud
EDA Drive Gear Assembly

3. Job Set-up
Subtask 72-60-33-860-051-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) 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(S) is in position to tell persons not to energize the FADEC 1(2).

Subtask 72-60-33-010-055-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Make sure that the fan cowls are open: (Ref. AMM TASK 71-13-00-010-010)
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(2) Make sure that the engine dedicated alternator stator is removed (Ref. AMM TASK 73-22-38-000-010).

4. Procedure
Subtask 72-60-33-420-052-A ** ON A/C NOT FOR ALL

A. Installation of the Dedicated Alternator Drive Gear Assembly:

EDA Drive Gear Assembly ** ON A/C NOT FOR ALL

(1) Remove all covers,caps,plugs from the openings.
(2) Install the dedicated alternator drive gear assembly
(a) Intall a new AIPC 72-60-33-80-050 PACKING (3) in to the groove of the mounting flange of the dedicated alternator drive gear assembly (6) (Ref. AMM TASK 70-23-13-911-010).
(b) Install a new AIPC 72-60-33-80-040 PACKING (5) in to the groove on the end of the manifold (Ref. AMM TASK 70-23-13-911-010).
(c) Align the alternator drive gear assembly (6) with the studs and the manifold with the seat on the gearbox casing.
(d) Install the alternator drive gear assembly:

CAUTION: YOU MUST MAKE SURE THAT THE GEARS OF THE EDA DRIVE GEAR ASSEMBLY AND THE LAYSHAFT ARE CORRECTLY ENGAGED BEFORE YOU USE THE DRIFT. YOU CAN CAUSE DAMAGE TO THE EDA GEAR IF YOU USE TOO MUCH FORCE TO ENGAGE THE GEARS.

1 Install the alternator drive gear assembly (6) on the alternator drive housing (2). Engage the gear of the EDA drive gear with the gear of the layshaft extention. Use the IAE1F10227 DRIFT, INSTALL.
(e) Install the bracket (1) on the two higher studs of the EDA drive gear assembly (6) and on the bolts of the bracket (9).
(f) Install the three nuts (7) which attach the EDA drive gear assembly (6) and the bracket (1) to the EDA drive housing (2).
(g) Install the two nuts (8) which attach the bracket (1) to the bracket (9).
(h) TORQUE the nuts (7) and (8) to between 95 and 85 lbf.in (1.07 and 0.96 m.daN )

(Ref. AMM TASK 70-23-11-911-013).
(3) Install the oil pressure tube
(a) Put the oil pressure tube (4) in position between the EDA drive gear assembly (6) and the external gearbox.
(b) Connect the coupling nuts to the dedicated alternator drive gear assembly (6) and to the external gearbox.
(c) TORQUE the two coupling nuts to between 350 and 320 lbf.in (3.96 and 3.62 m.daN )

(Ref. AMM TASK 70-23-11-911-013).
(d) Safety the coupling nuts with the lockwire (Material No.V02-126) (Ref. AMM TASK 70-40-11-911-014)

Subtask 72-60-33-420-057-A ** ON A/C NOT FOR ALL

B. Install the Engine Dedicated Alternator Stator (Ref. AMM TASK 73-22-38-400-010).

5. Close-up
Subtask 72-60-33-410-054-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the fan cowls (Ref. AMM TASK 71-13-00-410-010)
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(3) Remove the WARNING NOTICE(S).

Subtask 72-60-33-790-051-A ** ON A/C NOT FOR ALL

B. Do an Electronic Engine Control (EEC) System Idle Test (Ref. AMM TASK 71-00-00-710-022).

[Rev.10 from 2021] 2026.04.01 02:47:03 UTC