Removal of the Bearing of the Pylon Aft Attachment at RIB10

TASK 54-51-17-000-806-A
Removal of the Bearing of the Pylon Aft 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: BEFORE YOU INSTALL/REMOVE THE GSE-TOOL, READ THE INSTRUCTIONS IN THE APPLICABLE GSE INSTRUCTION MANUAL. WHILE YOU OPERATE THIS TOOL, CAREFULLY OBEY THEM. IF YOU DO NOT OBEY THE INSTRUCTIONS, DAMAGE TO EQUIPMENT CAN OCCUR.

ZONE: 470
ZONE: 480
FIN: 4020KM1 ** ON A/C NOT FOR ALL
FIN: 4020KM2 ** ON A/C NOT FOR ALL

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 3M (10 FT)- ADJUSTABLE
98D54003018000	1	BEARING RIB10 RI KIT

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
470	ENGINE 1 AFT PYLON
480	ENGINE 2 AFT PYLON

C. Referenced Information

REFERENCE	DESIGNATION
TASK 54-51-17-000-805-A	Removal of the Pylon-to-Wing Aft Attach-Fitting at RIB10
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 78-30-00-040-805-A	Deactivation of the Thrust Reverser System for Ground Maintenance
Bearing of the Pylon Aft Attachment at RIB10

3. Job Set-up
Subtask 54-51-17-941-071-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).

Subtask 54-51-17-040-057-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 54-51-17-010-068-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
(a) For the left pylon, in zone 470
(b) For the right pylon, in zone 480.
(2) Remove the applicable pylon-to-wing aft attach-fitting at RIB10 (Ref. AMM TASK 54-51-17-000-805).

4. Procedure
Subtask 54-51-17-020-092-A ** ON A/C NOT FOR ALL

A. Removal of the Bearing of the Pylon Aft Attachment at RIB10

Bearing of the Pylon Aft 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 washers (2) to release the slotted nuts (1).
(2) Hold the bearings (4) with the 98D54003018000 BEARING RIB10 RI KIT and use the 98D54003018000 BEARING RIB10 RI KIT to remove the nuts (1).
(3) Remove and discard the tab washers (2).
(4) Remove the bearings (4) with the 98D54003018000 BEARING RIB10 RI KIT.
(5) Discard the bearings (4).

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