Removal of the IDG Drive Seal Assembly and Mating Ring [IAE]

TASK 72-60-28-000-010-A
Removal of the IDG Drive Seal Assembly and Mating Ring

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.

ZONE: 400
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	COVER - BLANKING
No specific	AR	WARNING NOTICE(S)
IAE1F10009	1	PULLER-REMOVAL
IAE1F10010	1	PULLER-REMOVAL

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-21-51-000-010-A	Removal of the Integrated Drive Generator -IDG 1(2)
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
IDG Drive Seal Assembly and Mating Ring

3. Job Set-up
Subtask 72-60-28-941-050-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on 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 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 72-60-28-010-050-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.

4. Procedure
Subtask 72-60-28-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Integrated Drive Generator (IDG) Drive Seal Assembly and Mating Ring
(1) Remove the IDG (Ref. AMM TASK 24-21-51-000-010).
(2) Remove the seal assembly:
(a) Remove the three bolts (7) and the washers (8) which attach the seal housing (1) to the IDG housing (3).
(b) Install the IAE1F10010 PULLER-REMOVAL, on to the seal housing (1).
(c) Use the IAE1F10010 PULLER-REMOVAL to remove the seal housing (1).
(d) Remove and discard the packing (2).
(e) Remove the IAE1F10010 PULLER-REMOVAL from the seal housing (1).
(f) Discard the seal housing (1).

NOTE: It is important to replace the mating ring when the seal assembly is replaced. Not replacing the mating ring when the seal assembly is replaced may result in an oil leak.

(3) Remove the mating ring:
(a) Install the IAE1F10009 PULLER-REMOVAL on to the mating ring (5).
(b) Use the IAE1F10009 PULLER-REMOVAL to remove the mating ring (5) from the IDG housing (3).
(c) Remove and discard the packing (6).
(d) Remove the IAE1F10009 PULLER-REMOVAL from the mating ring (5).
(e) Discard the mating ring (5).

Subtask 72-60-28-620-050-A ** ON A/C NOT FOR ALL

B. Install COVER - BLANKING to all exposed openings.

[Rev.10 from 2021] 2026.04.01 02:46:53 UTC