Removal of the Spigot Ball Joint

TASK 54-51-41-000-802-A
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:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

NOTE: Two persons are necessary for this procedure.

ZONE: 410
ZONE: 420
ZONE: 470
ZONE: 480

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	2	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	SCRAPER - NON METALLIC
No specific	AR	WARNING NOTICE(S)
98D27803000000	1	LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

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
413ET, 415BL, 423ET, 425CR, 471AL, 471BL, 472AR, 472BR, 481AL, 481BL, 482AR, 482BR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 27-80-00-866-005-A	Retracting the Slats on the Ground
TASK 54-51-21-000-802-A	Removal of the Pylon Lateral Access-Doors
TASK 54-53-11-000-804-A	Removal of the Pylon-to-Wing Access Panels and Doors
TASK 78-30-00-040-805-A	Deactivation of the Thrust Reverser System for Ground Maintenance
SRM 514200
Spigot Ball Joint
Bonding Leads of the Spigot at Rib 6

3. Job Set-up
Subtask 54-51-41-941-055-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Make sure that the slats are fully retracted (Ref. AMM TASK 27-80-00-866-005).
(2) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever on panel 114VU.
(3) Put the WARNING NOTICE(S) in position to tell persons not to operate the flap/slat controls.
(4) 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).
(5) Make sure that the engine 1(2) shutdown occurred not less than five minutes before you do this procedure.
(6) 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 54-51-41-040-057-A ** ON A/C NOT FOR ALL

B. Deactivation of the Thrust Reverser

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 78-30-00-040-805).

Subtask 54-51-41-010-054-A ** ON A/C NOT FOR ALL

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 54-53-11-000-804):
(a) For the left pylon:

471AL, 471BL, 472AR, 472BR and 413ET.

(b) For the right pylon:

481AL, 481BL, 482AR, 482BR and 423ET.

(3) Remove the pylon lateral access-doors (Ref. AMM TASK 54-51-21-000-802):
(a) For the left pylon:

415BL.

(b) For the right pylon:

425CR.

Subtask 54-51-41-020-054-A ** ON A/C NOT FOR ALL

D. Removal of the Components
(1) Remove the forward fire extinguisher bottle (Ref. AMM D/O 26-21-41-00).

4. Procedure
Subtask 54-51-41-110-056-A ** ON A/C NOT FOR ALL

A. Cleaning of the Structure
(1) Use the SCRAPER - NON METALLIC to remove the adhesive compound from the nuts (4) and the collars (1) and (5) of the ball joint on the upper panel between rib 4 and rib 5.
(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 54-51-41-020-066-A ** ON A/C NOT FOR ALL

B. Disconnection of the Bonding Leads of the Spigot at Rib 6
(1) If necessary, disconnect the bonding leads (24) of the spigot at rib 6:
(a) Remove the bolts (25).
(b) Disconnect the bonding leads (24) from the bonding angles (23) that are installed on the pylon box at rib 6.

Subtask 54-51-41-020-055-A ** ON A/C NOT FOR ALL

C. Removal of the Spigot Ball Joint
(1) If necessary, remove the screws (8) and (10) and the washers (9) and (11) from the bracket (12) and the clamps (13).
(2) For the left pylon:
(a) Remove the hi-locks (2) and the collars (1) SRM 514200.
(3) For the right pylon:
(a) Remove the hi-locks (6) and the collars (5) SRM 514200.
(b) Remove the bolts (7) and the nuts (4).
(4) Remove the spigot ball joint (3) from the rear upper spar.

[Rev.10 from 2021] 2026.04.01 02:01:17 UTC