DOC AIRBUS | AMM A320FInstallation of the IDG Drive Seal Assembly and Mating Ring [IAE]
TASK 72-60-28-400-010-A
Installation of the IDG Drive Seal Assembly and Mating Ring
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Expendable Parts
D. Referenced Information
3. Job Set-up
Subtask 72-60-28-860-050-A ** ON A/C NOT FOR ALL
Subtask 72-60-28-420-050-A ** ON A/C NOT FOR ALL
Subtask 72-60-28-410-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:46:54 UTC
Installation 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.
1. Reason for the JobSelf 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 )  | |
| IAE1F10004 | 1 | PUSHER-INSTALLATION |
| IAE1F10032 | 1 | PUSHER-INSTALLATION |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR | |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 9 | SEAL ASSEMBLY | AIPC 72-60-28-80-025 |
| 6 | PACKING | AIPC 72-60-28-80-060 |
| 5 | MATING RING | AIPC 72-60-28-80-070 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-21-51-400-010-B | Installation of the Integrated Drive Generator - IDG 1(2), (New EPGS) |
| 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 71-13-00-410-010-A | Closing of the Fan Cowls 437AL(447AL),438AR(448AR) |
IDG Drive Seal Assembly and Mating RingSubtask 72-60-28-860-050-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 72-60-28-630-050-A ** ON A/C NOT FOR ALL (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).
B. Remove all covers/caps/plugs from the openings.
4. ProcedureSubtask 72-60-28-420-050-A ** ON A/C NOT FOR ALL
A. Installation of the IDG drive seal assembly and mating ring
(1) Install the mating ring on to the IDG drive gear
(a) Install a new AIPC 72-60-28-80-060 PACKING (6) (Ref. AMM TASK 70-23-13-911-010) in to the internal groove of a new mating ring (5).
(b) Assemble the AIPC 72-60-28-80-070 MATING RING (5) on to the IDG drive gear (4).
(c) Make sure that the large contact face of the mating ring (5) points out from the gearbox.
(d) Align the lugs on the smaller diameter of the mating ring (5) with the slots on the inner race of the front roller bearing.
(e) Use the IAE1F10032 PUSHER-INSTALLATION to fully install the mating ring (5) against the inner race of the front roller bearing.
(f) Remove the pusher, IAE 1F10032.
(2) Install the seal assembly on to the IDG drive gear
(a) Make sure that the carbon seal is free to move.
(c) Remove the guide pin from the IAE1F10004 PUSHER-INSTALLATION, and install it in to one of the bolt holes in the IDG drive housing (3).
(d) Align one of the holes in the seal housing (1) flange with the guide pin in the IDG drive housing (3).
(e) Use the pusher, IAE 1F10004, to fully install the seal housing (1).
(f) Remove the pusher, IAE 1F10004.
(g) Remove the guide pin from the IDG drive housing (3) and install it on to the pusher, IAE 1F1004.
(h) Install the three washers (8) and the three bolts (7) which attach the seal housing (1) to the IDG drive housing (3).
(i) TORQUE the bolts (7) 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 IDG (Ref. AMM TASK 24-21-51-400-010).
5. Close-up(1) Install the mating ring on to the IDG drive gear
(a) Install a new AIPC 72-60-28-80-060 PACKING (6) (Ref. AMM TASK 70-23-13-911-010) in to the internal groove of a new mating ring (5).
(b) Assemble the AIPC 72-60-28-80-070 MATING RING (5) on to the IDG drive gear (4).
(c) Make sure that the large contact face of the mating ring (5) points out from the gearbox.
(d) Align the lugs on the smaller diameter of the mating ring (5) with the slots on the inner race of the front roller bearing.
(e) Use the IAE1F10032 PUSHER-INSTALLATION to fully install the mating ring (5) against the inner race of the front roller bearing.
(f) Remove the pusher, IAE 1F10032.
(2) Install the seal assembly on to the IDG drive gear
(a) Make sure that the carbon seal is free to move.
NOTE: The carbon seal must have free axial movement during its full travel in the seal housing.
(b) Install a new AIPC 72-60-28-80-025 SEAL ASSEMBLY (9). (c) Remove the guide pin from the IAE1F10004 PUSHER-INSTALLATION, and install it in to one of the bolt holes in the IDG drive housing (3).
(d) Align one of the holes in the seal housing (1) flange with the guide pin in the IDG drive housing (3).
(e) Use the pusher, IAE 1F10004, to fully install the seal housing (1).
(f) Remove the pusher, IAE 1F10004.
(g) Remove the guide pin from the IDG drive housing (3) and install it on to the pusher, IAE 1F1004.
(h) Install the three washers (8) and the three bolts (7) which attach the seal housing (1) to the IDG drive housing (3).
(i) TORQUE the bolts (7) 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 IDG (Ref. AMM TASK 24-21-51-400-010).
Subtask 72-60-28-410-050-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):
(3) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(4) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(5) Remove the WARNING NOTICE(S).
Subtask 72-60-28-710-051-A ** ON A/C NOT FOR ALL (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):
(3) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(4) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(5) Remove the WARNING NOTICE(S).