Removal of the Bearing of the Pylon Rear Attachment at RIB10

TASK 54-51-17-000-003-A
Removal of the Bearing of the Pylon Rear Attachment at RIB10

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.

CAUTION: THIS PART IS A REMOVABLE STRUCTURAL COMPONENT (RSC), WHICH CAN BE MOVED BETWEEN AIRCRAFT. THUS IT CAN HAVE DIFFERENT OPERATION CONDITIONS AND A DIFFERENT LIFE RECORD (FLIGHT HOURS/FLIGHT CYCLES/CALENDAR) FROM THE AIRCRAFT IT IS INSTALLED ON OR REMOVED FROM. THE OPERATOR IS RESPONSIBLE FOR THE SPECIFIC TRACKING AND CONTINUED AIRWORTHINESS OF REMOVABLE STRUCTURAL COMPONENTS. INCORRECT MAINTENANCE OF THESE COMPONENTS CAN CAUSE A RISK FOR THE FLIGHT SAFETY.

ZONE: 400

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

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 2M (6 FT)
No specific	AR	WARNING NOTICE(S)
98D54003006000	1	WRENCH-CASTELLETED

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS

C. Referenced Information

REFERENCE	DESIGNATION
TASK 28-00-00-910-001-A	Fuel Safety Procedures
TASK 54-51-17-000-002-A	Removal of the Pylon-to-Wing Aft Attach-Fitting at RIB10
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-A	Make the Thrust Reverser Unserviceable for Maintenance
TASK 78-30-00-481-041-B	Make the Thrust Reverser Unserviceable for Maintenance
Pylon Rear Attachment at RIB10 ** ON A/C NOT FOR ALL
Pylon Rear Attachment at RIB10 ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 54-51-17-941-057-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) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred a minimum of five minutes before you do this procedure.
(3) On the ENG section of overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR 1(2) pushbutton switch is off.
(b) Put the WARNING NOTICE(S) to tell persons not to energize the FADEC GND PWR 1(2).
(4) Obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001) when you do work on the fuel system.

Subtask 54-51-17-040-050-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make the thrust reverser unserviceable (Ref. AMM TASK 78-30-00-481-041).

Subtask 54-51-17-040-050-B ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make the thrust reverser unserviceable (Ref. AMM TASK 78-30-00-040-012).

Subtask 54-51-17-010-054-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) in position, below the applicable pylon rear-attachment point, at zone 475 (485).
(2) Remove the applicable aft attach fitting (Ref. AMM TASK 54-51-17-000-002).

4. Procedure
Subtask 54-51-17-020-060-A ** ON A/C NOT FOR ALL

A. Removal of the Pylon Rear Attachment

Pylon Rear Attachment at RIB10 ** ON A/C NOT FOR ALL

CAUTION: DO NOT DAMAGE THE REAR BEARING ATTACHMENT WHEN YOU REMOVE THE BEARING.

(1) Bend the tab washer (2) to release the slotted nut (1).
(2) Hold the bearing (4) with the 98D54003006000 WRENCH-CASTELLETED (98D54003006202) and use the 98D54003006000 WRENCH-CASTELLETED (98D54003006200) to remove the nut (1).
(3) Remove and discard the tab washer (2).
(4) Remove the bearing (4) with the 98D54003006000 WRENCH-CASTELLETED (98D54003006202).
(5) Discard the bearing (4).

[Rev.10 from 2021] 2026.04.01 12:50:05 UTC