Installation of the Bearing of the Pylon Aft Attachment at RIB10

TASK 54-51-17-400-806-A
Installation of the Bearing of the Pylon Aft Attachment at RIB10

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.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

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
No specific	AR	SPATULA - PLASTIC
No specific	Torque wrench: range to between 28 and 22 m.daN (206.49 and 162.24 lbf.ft )
98D54003018000	1	BEARING RIB10 RI KIT

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
470	ENGINE 1 AFT PYLON
480	ENGINE 2 AFT PYLON

D. Referenced Information

REFERENCE	DESIGNATION
TASK 54-51-17-400-805-A	Installation of the Pylon-to-Wing Aft Attach-Fitting at RIB10
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 78-30-00-440-805-A	Reactivation of the Thrust Reverser System after Ground Maintenance
Bearing of the Pylon Aft Attachment at RIB10

3. Job Set-up
Subtask 54-51-17-941-072-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Make sure that you did the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).
(2) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position:
(a) For the left pylon, in zone 470
(b) For the right pylon, in zone 480.

Subtask 54-51-17-110-057-A ** ON A/C NOT FOR ALL

B. Preparation before Installation

Bearing of the Pylon Aft Attachment at RIB10 ** ON A/C NOT FOR ALL

(1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) If they are not sufficiently clean, clean the parts retained from the removed component with Non Aqueous Cleaner-General - - (Material No.08BAA9) and Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Use a SPATULA - PLASTIC to remove unwanted material from the interface of the pylon aft attachment.
(4) Clean the interface of the bearings (4) and the pylon aft attachment (3) with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(5) Examine the pylon aft attachment and the adjacent structure for:

Cracks
Damaged paint and sealant
Distortion
Correct condition of all the fasteners and safety devices.

4. Procedure
Subtask 54-51-17-420-093-A ** ON A/C NOT FOR ALL

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

Bearing of the Pylon Aft Attachment at RIB10 ** ON A/C NOT FOR ALL

(1) Install new bearings (4) on the pylon aft attachment (3) with the 98D54003018000 BEARING RIB10 RI KIT.
(2) Install new tab washers (2). Make sure that the internal tab of the washers (2) the slot on the bearings (4).

NOTE: It is necessary to bend the tabs of the tab washers (2) before you install the slotted nuts (1). This will make it easier to bend the tabs when you subsequently lock the slotted nuts.

(3) Install the slotted nuts (1) on the bearings (4) with the chamfered face against the tab washers (2).
(4) Hold the bearings (4) with the 98D54003018000 BEARING RIB10 RI KIT.
(5) TORQUE the slotted nuts (1) to between 28 and 22 m.daN (206.49 and 162.24 lbf.ft )

with the 98D54003018000 BEARING RIB10 RI KIT.
(6) Safety the slotted nuts (1) with the tab washers (2).

5. Close-up
Subtask 54-51-17-410-061-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Install the pylon-to-wing aft attach-fitting at RIB10 (Ref. AMM TASK 54-51-17-400-805).

Subtask 54-51-17-440-057-A ** ON A/C NOT FOR ALL

B. Reactivation of the Thrust Reverser
(1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-805).

Subtask 54-51-17-942-066-A ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).

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