Removal of the Dedicated Alternator Drive Gear Assembly [IAE]

TASK 72-60-33-000-010-B
Removal 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.

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

CAUTION: DO NOT LET ENGINE FUEL OR OIL FALL ON THE ENGINE. UNWANTED FUEL OR OIL MUST BE REMOVED IMMEDIATELY WITH A CLEAN LINT FREE CLOTH. THE FUEL OR OIL CAN CAUSE DAMAGE TO THE SURFACE PROTECTION AND TO SOME PARTS.

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	CONTAINER 5 L (1.32 USGAL)
No specific	AR	COVER - PROTECTION
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

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

C. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-010-010-A	Opening 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
EDA Drive Gear Assembly

3. Job Set-up
Subtask 72-60-33-941-052-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) 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(S) to tell persons not to energize the FADEC 1(2).

Subtask 72-60-33-010-053-A ** ON A/C NOT FOR ALL

B. Open the fan cowls (Ref. AMM TASK 71-13-00-010-010).
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR

Subtask 72-60-33-020-057-A ** ON A/C NOT FOR ALL

C. Remove the Engine Dedicated Alternator Stator (Ref. AMM TASK 73-22-38-000-010).

4. Procedure
Subtask 72-60-33-020-052-A ** ON A/C NOT FOR ALL

A. Removal of the Dedicated Alternator Drive Gear Assembly:
(1) Remove the oil pressure tube:

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

(a) Put the clean CONTAINER 5 L (1.32 USGAL) in position to catch the oil which drains from the oil pressure tube (4).
(b) Cut and remove the wire and disconnect the oil pressure tube (4) from the angle gearbox and from the dedicated alternator drive gear assembly (6).
(c) Remove the oil pressure tube (4).
(d) Remove the container and discard the drained oil.
(2) Remove the dedicated alternator drive gear assembly
(a) Remove the two nuts (8) which attach the bracket (1) to the bracket (9).
(b) Remove the three nuts (7) which attach the EDA drive gear assembly (6) to the drive housing (2).
(c) Remove the bracket (1) from the EDA drive gear assembly (6).
(d) Disengage the flange of the EDA drive gear assembly (6) from the drive housing (2).
(e) Remove the EDA drive gear assembly (6) from the drive housing (2).
(f) Remove and discard the packings (3) and (5).
(3) Install COVER - PROTECTION to all exposed openings.

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