DOC AIRBUS | AMM A320FRemoval of the Spigot Ball Joint
TASK 54-51-41-000-001-B
Removal of the Spigot Ball Joint
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 54-51-41-941-054-A ** ON A/C NOT FOR ALL
Subtask 54-51-41-110-055-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:01:14 UTC
Removal of the Spigot Ball Joint
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:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
1. Reason for the Job- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
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)- ADJUSTABLE |
| No specific | AR | SCRAPER - NON METALLIC |
| No specific | AR | TIE WRAP(S) |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 410 | ENG 1 PYLON BOX AND FORWARD FAIRING |
| 420 | ENG 2 PYLON BOX AND FORWARD FAIRING |
| 470 | ENGINE 1 AFT PYLON |
| 480 | ENGINE 2 AFT PYLON |
| 415BL, 415BR, 425BL, 425BR, 471BL, 471BR, 471CL, 471CR, 481BL, 481BR, 481CL, 481CR |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 26-21-41-000-001-A | Removal of the Engine Fire-Extinguisher Bottle |
| TASK 54-51-21-000-001-A | Removal of the Pylon Lateral Access-Doors |
| TASK 54-53-11-000-002-B | Removal of the Pylon-to-Wing Access Panels |
| TASK 78-30-00-040-012-A | Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance |
| TASK 78-30-00-481-041-B | Make the Thrust Reverser Unserviceable for Maintenance |
Spigot Ball JointSubtask 54-51-41-941-054-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Put the WARNING NOTICE(S) in position to tell persons not to start engine 1(2).
(2) Make sure that the engine 1(2) shutdown occurred not less than five 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 the WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
Subtask 54-51-41-040-056-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on ENG panel 115VU:
(a) Put the WARNING NOTICE(S) in position to tell persons not to start engine 1(2).
(2) Make sure that the engine 1(2) shutdown occurred not less than five 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 the WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
B. Deactivation of the Thrust Reverser
Subtask 54-51-41-040-056-B ** ON A/C NOT FOR ALL WARNING:
MAKE SURE THAT THE THRUST REVERSER IS LOCKED. IF NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE REVERSER.
(1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-012). B. Deactivation of the Thrust Reverser
Subtask 54-51-41-010-053-A ** ON A/C NOT FOR ALL WARNING:
MAKE SURE THAT THE THRUST REVERSER IS LOCKED. IF NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE REVERSER.
(1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-481-041). C. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, at zones 410 and 470
(b) For the right pylon, at zones 420 and 480.
(2) Remove the access panels (Ref. AMM TASK 54-53-11-000-002):
(a) For the left pylon:
(b) For the right pylon:
(3) Remove the pylon lateral access-doors (Ref. AMM TASK 54-51-21-000-001):
(a) For the left pylon:
(b) For the right pylon:
Subtask 54-51-41-020-061-A ** ON A/C NOT FOR ALL (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, at zones 410 and 470
(b) For the right pylon, at zones 420 and 480.
(2) Remove the access panels (Ref. AMM TASK 54-53-11-000-002):
(a) For the left pylon:
(b) For the right pylon:
(3) Remove the pylon lateral access-doors (Ref. AMM TASK 54-51-21-000-001):
(a) For the left pylon:
(b) For the right pylon:
D. Removal of the Components
(1) Remove the fire extinguisher bottles (Ref. AMM TASK 26-21-41-000-001).
4. Procedure(1) Remove the fire extinguisher bottles (Ref. AMM TASK 26-21-41-000-001).
Subtask 54-51-41-110-055-A ** ON A/C NOT FOR ALL
A. Clean the Structure
(1) Use the SCRAPER - NON METALLIC to remove the adhesive compound from the upper panel between RIB4 and RIB5.
(2) Clean the upper panel with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) , if necessary.
Subtask 54-51-41-020-065-A ** ON A/C NOT FOR ALL (1) Use the SCRAPER - NON METALLIC to remove the adhesive compound from the upper panel between RIB4 and RIB5.
(2) Clean the upper panel with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) , if necessary.
B. Disconnection of the Bonding Leads of the Spigot at RIB5
(1) Remove the nuts (13) and the bolts (11).
(2) Disconnect the bonding leads (14) from the bonding angles (12) that are installed on the pylon box at RIB5.
Subtask 54-51-41-020-063-A ** ON A/C NOT FOR ALL (1) Remove the nuts (13) and the bolts (11).
(2) Disconnect the bonding leads (14) from the bonding angles (12) that are installed on the pylon box at RIB5.
C. Removal of the Spigot Ball Joint
(1) Remove the nuts (1) and the bolts (4).
(2) Move the brackets (2) and (3) and the cable (5) away to get a better access to the head of the bolts (6) and (7).
(3) Safety the brackets (2) and (3) and the cable (5) with the TIE WRAP(S).
(4) Remove the nuts (10), the washers (9) and the bolts (6) and (7) from the rear upper spar.
(6) Remove the spigot ball joint (8).
(1) Remove the nuts (1) and the bolts (4).
(2) Move the brackets (2) and (3) and the cable (5) away to get a better access to the head of the bolts (6) and (7).
(3) Safety the brackets (2) and (3) and the cable (5) with the TIE WRAP(S).
(4) Remove the nuts (10), the washers (9) and the bolts (6) and (7) from the rear upper spar.
NOTE: You cannot remove two of the 16 bolts (6) and (7) from the top of the rear spar because they touch the spigot fitting edge on the wing side.
(5) Cut the heads of the two bolts (6) and (7) that you cannot remove. (6) Remove the spigot ball joint (8).