DOC AIRBUS | AMM A320FRemoval of the Aileron-Hinge Bearings on Support Frames 1, 2, 3, 4 and 5
TASK 57-51-31-000-802-A
Removal of the Aileron-Hinge Bearings on Support Frames 1, 2, 3, 4 and 5
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 57-51-31-941-052-A
Subtask 57-51-31-020-052-A
[Rev.10 from 2021]
2026.04.01 02:15:14 UTC
Removal of the Aileron-Hinge Bearings on Support Frames 1, 2, 3, 4 and 5
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
CAUTION:
BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
1. Reason for the Job- DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
- DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
- MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 3M (10 FT) |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| 98D27803500001 | 1 | LOCKING TOOL ZERO POS |
| ASK4102-10 | 1 | TOOLKIT-BEARING SWAGING |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 575 | AFT OUTBD SE OF WING AND TE FIXED STRUCT |
| 675 | AFT OUTBD SE OF WING AND TE FIXED STRUCT |
| 575AT, 575JB, 575KB, 575LB, 575MB, 590AB, 590BB, 675AT, 675JB, 675KB, 675LB, 675MB, 690AB, 690BB |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-34-24-869-002-A | Aircraft Grounding (Earthing) for the Maintenance Operations |
| TASK 12-34-24-869-002-A-01 | Aircraft Grounding (Earthing) during Transit, Turnaround or Overnight Stop |
| TASK 27-14-41-000-001-A | Removal of the Aileron |
| TASK 27-50-00-866-009-A | Retraction of the Flaps on the Ground |
| TASK 27-50-00-866-009-A-01 | Retraction of the Flaps/Slats on the Ground |
| TASK 29-10-00-864-001-A | Depressurize the Green Hydraulic System |
| TASK 29-10-00-864-003-A | Depressurize the Blue Hydraulic System |
| TASK 29-14-00-614-001-A | Depressurization of the Hydraulic Reservoirs |
| TASK 57-51-37-000-005-A | Removal of the Access Panels 575KB(675KB), 575LB(675LB), 575MB(675MB) |
| TASK 57-51-37-000-006-A | Removal of the Access Panel 575JB(675JB) |
| TASK 57-51-37-000-007-A | Removal of the Access Panel |
| TASK 57-51-37-000-011-A | Removal of the Access Panels |
Aileron-Hinge Support BearingsSubtask 57-51-31-941-052-A
A. Safety Precautions
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
Subtask 57-51-31-860-053-A (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
B. Aircraft Maintenance Configuration
(2) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
(3) Make sure that the aircraft is electrically grounded (Ref. AMM TASK 12-34-24-869-002).
(4) Depressurize the Green and the Blue hydraulic systems (Ref. AMM TASK 29-10-00-864-001) and (Ref. AMM TASK 29-10-00-864-003).
(5) Depressurize the applicable hydraulic reservoir (Ref. AMM TASK 29-14-00-614-001).
(6) Remove the safety collar from the circuit breakers 9CV and 11CV.
Subtask 57-51-31-865-053-A WARNING:
MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
(1) Fully retract the flaps (Ref. AMM TASK 27-50-00-866-009). (2) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
(3) Make sure that the aircraft is electrically grounded (Ref. AMM TASK 12-34-24-869-002).
(4) Depressurize the Green and the Blue hydraulic systems (Ref. AMM TASK 29-10-00-864-001) and (Ref. AMM TASK 29-10-00-864-003).
(5) Depressurize the applicable hydraulic reservoir (Ref. AMM TASK 29-14-00-614-001).
(6) Remove the safety collar from the circuit breakers 9CV and 11CV.
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 57-51-31-010-051-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B11 |
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B06 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B06 |
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B01 |
| ** ON A/C ALL | |||
| 105VU | FLIGHT CONTROLS/ELAC2/STBY SPLY | 16CE2 | A02 |
| 105VU | FLT CTL/ELAC1/STBY SPLY | 16CE1 | A01 |
| 121VU | FLIGHT CONTROLS/WTB/SLT/SYS2 | 11CV | P19 |
| 121VU | FLIGHT CONTROLS/SLT/CTL/SYS2 | 7CV | R21 |
| 121VU | FLIGHT CONTROLS/ELAC2/NORM/SPLY | 15CE2 | R20 |
| 122VU | FLIGHT CONTROLS/WTB/SLT/SYS1 | 9CV | S06 |
D. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT) in position below the applicable aileron, zone 575(675).
(2) Remove the applicable access panels:
(a) For the left wing, remove:
4. Procedure(1) Put the ACCESS PLATFORM 3M (10 FT) in position below the applicable aileron, zone 575(675).
(2) Remove the applicable access panels:
(a) For the left wing, remove:
- 575AT (Ref. AMM TASK 57-51-37-000-007)
- 575JB (Ref. AMM TASK 57-51-37-000-006)
- 575KB 575LB 575MB (Ref. AMM TASK 57-51-37-000-005)
- 590AB 590BB (Ref. AMM TASK 57-51-37-000-011).
- 675AT (Ref. AMM TASK 57-51-37-000-007)
- 675JB (Ref. AMM TASK 57-51-37-000-006)
- 675KB 675LB 675MB (Ref. AMM TASK 57-51-37-000-005)
- 690AB 690BB (Ref. AMM TASK 57-51-37-000-011).
Subtask 57-51-31-020-052-A
A. Cutting and Removal of the Aileron-Hinge Spherical Bearings on the Support Frames 1, 2, 3, 4 and 5
(2) Make sure a depth of 2.0 mm (0.0787 in.) is cut into the swaged lip of the aileron-hinge bushing sleeve (2).
NOTE: Use the applicable items from the ASK4102-10 TOOLKIT-BEARING SWAGING, to do this procedure.
(1) Remove the aileron-hinge spherical bearing (3) with the tools ASC4102-10 and ASIR4102-10R. (2) Make sure a depth of 2.0 mm (0.0787 in.) is cut into the swaged lip of the aileron-hinge bushing sleeve (2).