DOC AIRBUS | AMM A320FInstallation of the Quick Attach/Detach (QAD) Adapter of the IDG
TASK 24-21-41-400-802-A
Installation of the Quick Attach/Detach (QAD) Adapter of the IDG
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 24-21-41-860-064-A ** ON A/C NOT FOR ALL
Subtask 24-21-41-210-062-A ** ON A/C NOT FOR ALL
Subtask 24-21-41-410-071-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:20:42 UTC
Installation of the Quick Attach/Detach (QAD) Adapter of the IDG
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 453
ZONE: 463
FIN: 4000XU ** ON A/C NOT FOR ALL
FIN: 4000XU1 ** ON A/C NOT FOR ALL
FIN: 4000XU2 ** ON A/C NOT FOR ALL
1. Reason for the JobZONE: 463
FIN: 4000XU ** ON A/C NOT FOR ALL
FIN: 4000XU1 ** ON A/C NOT FOR ALL
FIN: 4000XU2 ** ON A/C NOT FOR ALL
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.03ABA1) | Synthetic base Lubricating Oil-Turbine Engine - - |
| (Material No.03PBD1) | Lubricant-Anti Seize Nickel & Graphite - |
| (Material No.08BBB1) | Non Aqueous Cleaner-- Petroleum Based - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 453 | HOT SECTION |
| 463 | HOT SECTION |
| FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1) | |
| 437AL, 438AR, 451AL, 452AR | |
| FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2) | |
| 447AL, 448AR, 461AL, 462AR | |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 6 | GASKET | AIPC 24-21-41-50-030 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-21-51-400-803-A | Installation of the Integrated Drive Generator - IDG 1(2) |
| TASK 71-00-00-860-833-A | Procedure to Prevent Engine Motoring |
| TASK 71-13-00-010-802-A | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-802-A | Closing of the Fan Cowl Doors |
| TASK 78-30-00-040-805-A | Deactivation of the Thrust Reverser System for Ground Maintenance |
| TASK 78-30-00-440-805-A | Reactivation of the Thrust Reverser System after Ground Maintenance |
| TASK 78-36-00-010-802-A | Opening of the Thrust Reverser Cowl-Doors |
| TASK 78-36-00-410-802-A | Closing of the Thrust Reverser Cowl-Doors |
IDG Quick Attach/Detach (QAD) AdapterSubtask 24-21-41-860-064-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) Make sure that you did the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).
Subtask 24-21-41-010-075-A ** ON A/C NOT FOR ALL (1) Make sure that you did the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).
B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
Subtask 24-21-41-040-051-A ** ON A/C NOT FOR ALL (1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
C. Deactivation of the Thrust Reverser System for Ground Maintenance
Subtask 24-21-41-010-076-A ** ON A/C NOT FOR ALL WARNING:
YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.
(1) Make sure that you did the deactivation of the thrust reverser system for ground maintenance (Ref. AMM TASK 78-30-00-040-805). D. Get Access
(1) Make sure that the thrust-reverser cowl-doors (Ref. AMM TASK 78-36-00-010-802) are open:
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL 462AR
(2) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
4. Procedure(1) Make sure that the thrust-reverser cowl-doors (Ref. AMM TASK 78-36-00-010-802) are open:
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL 462AR
(2) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
Subtask 24-21-41-210-062-A ** ON A/C NOT FOR ALL
A. Visual Check of the Mating Surfaces
(1) Remove the protective cover from the accessory-gearbox mounting pad (1).
(2) Do a visual check of the QAD adapter (2) for damage from incorrect shipping or handling.
(3) Do a visual check of the mating surfaces of the QAD adapter (2) and the accessory-gearbox mounting pad (1). Make sure that they are smooth and clean.
Subtask 24-21-41-640-064-A ** ON A/C NOT FOR ALL (1) Remove the protective cover from the accessory-gearbox mounting pad (1).
(2) Do a visual check of the QAD adapter (2) for damage from incorrect shipping or handling.
(3) Do a visual check of the mating surfaces of the QAD adapter (2) and the accessory-gearbox mounting pad (1). Make sure that they are smooth and clean.
B. Lubrication of the QAD Adapter Tension-Bolt
Subtask 24-21-41-420-078-A ** ON A/C NOT FOR ALL CAUTION:
LUBRICATE THE QAD ADAPTER TENSION-BOLT BEFORE YOU INSTALL THE ADAPTER ON THE GEARBOX MOUNTING PAD. NO LUBRICANT ON THE TENSION BOLT CAN CAUSE INCREASED WEAR TO THE TENSION BOLT AND THE BRACKET.
(1) Apply Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) to the QAD adapter tension-bolt. C. Installation of the QAD Adapter
(a) Use a clean COTTON SWAB and Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) to remove the lubricant from the screw holes and index pin holes.
(b) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) to clean the gearbox mounting surface and the QAD adapter. Wipe them dry before the cleaning fluid evaporates.
(2) Install the AIPC 24-21-41-50-030 GASKET (6) on the QAD adapter (2). Make sure that the index pin hole of the QAD adapter (2) is aligned with the index pin hole of the QAD gasket.
(a) Make sure that the stripe on the QAD ring is aligned with the stripe on the adapter plate.
(3) Install the QAD adapter (2) on the accessory-gearbox mounting pad (1) with the flat head screws (3).
(4) Make sure that the words "TOP PW CFM56" on the QAD adapter are in the top position (12 o'clock).
(5) Use a BRUSH - BRISTLED, FIBER, MEDIUM to apply a thin layer of Lubricant-Anti Seize Nickel & Graphite - (Material No.03PBD1) to the conical surface of the heads of the screws (3) and to the threads of the screws (3).
(6) TORQUE the screws (3) to between 32 and 29 lbf.ft (4.34 and 3.93 m.daN )
.
Subtask 24-21-41-420-079-A ** ON A/C NOT FOR ALL 5. Close-upCAUTION:
DO NOT LET THE LUBRICANT STAY IN THE DOWEL PIN HOLES AND SCREW HOLES OF THE QAD ADAPTER. LUBRICANT BUILDUP CAN CAUSE THE PRESSURE TO INCREASE. INCREASED PRESSURE CAN CAUSE DAMAGE TO THE GEARBOX WHEN YOU INSTALL AND TORQUE THE SCREWS.
(1) Clean the gearbox mounting surface, index pin hole and screw holes. (a) Use a clean COTTON SWAB and Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) to remove the lubricant from the screw holes and index pin holes.
(b) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) to clean the gearbox mounting surface and the QAD adapter. Wipe them dry before the cleaning fluid evaporates.
(2) Install the AIPC 24-21-41-50-030 GASKET (6) on the QAD adapter (2). Make sure that the index pin hole of the QAD adapter (2) is aligned with the index pin hole of the QAD gasket.
(a) Make sure that the stripe on the QAD ring is aligned with the stripe on the adapter plate.
(3) Install the QAD adapter (2) on the accessory-gearbox mounting pad (1) with the flat head screws (3).
(4) Make sure that the words "TOP PW CFM56" on the QAD adapter are in the top position (12 o'clock).
(5) Use a BRUSH - BRISTLED, FIBER, MEDIUM to apply a thin layer of Lubricant-Anti Seize Nickel & Graphite - (Material No.03PBD1) to the conical surface of the heads of the screws (3) and to the threads of the screws (3).
(6) TORQUE the screws (3) to between 32 and 29 lbf.ft (4.34 and 3.93 m.daN )
. Subtask 24-21-41-410-071-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the thrust-reverser cowl-doors (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL 462AR
Subtask 24-21-41-440-051-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 thrust-reverser cowl-doors (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL 462AR
B. Reactivation of the Thrust Reverser System after Ground Maintenance
(1) Do the reactivation of the thrust reverser system after ground maintenance (Ref. AMM TASK 78-30-00-440-805).
Subtask 24-21-41-410-072-A ** ON A/C NOT FOR ALL (1) Do the reactivation of the thrust reverser system after ground maintenance (Ref. AMM TASK 78-30-00-440-805).