Installation of the Pylon-to-Wing Aft Attach-Fittings at RIB10

TASK 54-51-17-400-808-A
Installation of the Pylon-to-Wing Aft Attach-Fittings 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
FIN: 4020KM2

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 4M (13 FT)-ADJUSTABLE
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 12 and 1 m.daN (1061.95 and 88.50 lbf.in )
98D54403009000	1	DYNAMOMETRIC ADAPTOR
98D54503000001	1	PYLON R/I WRENCH SET

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03GBC1)	Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. -
(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
471CL, 472BR, 481BL, 482CR
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR, 451AL, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR, 461AL, 462AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
36	COTTER PIN	AIPC 54-51-87-31-090
37	COTTER PINS	AIPC 54-51-87-31-090
34	NUT	AIPC 54-51-87-31-110
33	TAB WASHER	AIPC 54-51-87-31-120
39	NUTS	AIPC 54-51-87-31-160
40	TAB WASHERS	AIPC 54-51-87-31-170
36	COTTER PIN	AIPC 54-51-87-32-090
37	COTTER PINS	AIPC 54-51-87-32-090
34	NUT	AIPC 54-51-87-32-110
33	TAB WASHER	AIPC 54-51-87-32-120
39	NUTS	AIPC 54-51-87-32-160
40	TAB WASHERS	AIPC 54-51-87-32-170

E. Referenced Information

REFERENCE	DESIGNATION
TASK 05-57-00-200-001-B	Aircraft Stability
TASK 07-11-00-586-002-A	Lowering of the Aircraft for Maintenance Operations
TASK 54-51-17-000-810-A	Removal of the Bearings of the Pylon Aft Attachment at RIB10
TASK 54-51-17-400-809-A	Installation of the Bearings of the Pylon Aft Attachment at RIB10
TASK 54-53-11-000-806-A	Removal of the Pylon-to-Wing Access Panels and Doors
TASK 54-53-11-400-806-A	Installation of the Pylon-to-Wing Access Panels and Doors
TASK 54-54-00-000-804-A	Removal of the Rear Pylon Fairing (RPF)
TASK 54-54-00-400-803-A	Installation of the Rear Pylon Fairing (RPF)
TASK 71-00-51-400-803-A	Installation of the Power Plant with 2D Bootstrap
TASK 71-13-11-400-806-A	Installation of the Fan Cowl Doors
TASK 78-30-00-440-807-A	Reactivation of the Thrust Reverser System after Nacelle Maintenance (ICU)
TASK 78-32-11-400-803-A	Installation of the Thrust Reverser Cowl Doors
Pylon-to-Wing Aft Attach-Fittings at RIB10

3. Job Set-up
Subtask 54-51-17-941-076-A

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Make sure that the WARNING NOTICE(S) is in position to tell persons not to operate the ENG/MODE selector switch and the ENG/MASTER 1(2) control switch.
(2) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Make sure that the WARNING NOTICE(S) is in position to tell persons not to energize FADEC 1(2).
(3) Make sure that the aircraft is stable (Ref. AMM TASK 05-57-00-200-001).

Subtask 54-51-17-010-074-A

B. Removal of the Access Panels and Fairing
(1) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position:
(a) For the left pylon, in zone 470
(b) For the right pylon, in zone 480.
(2) Make sure that the pylon-to-wing access panels are removed (Ref. AMM TASK 54-53-11-000-806):
(a) For the left pylon: 471CL 472BR
(b) For the right pylon: 481BL 482CR.
(3) Make sure that the Rear Pylon Fairing (RPF) is removed (Ref. AMM TASK 54-54-00-000-804).

Subtask 54-51-17-160-058-A

C. Preparation for Installation

Pylon-to-Wing Aft Attach-Fittings at RIB10

(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) Make sure that:
(a) The nuts (39) and (34) at RIB10 are in the correct condition. If necessary, replace the AIPC 54-51-87-31-160 NUTS (39) (left) and AIPC 54-51-87-32-160 NUTS (39) (right) and AIPC 54-51-87-31-110 NUT (34) (left) and AIPC 54-51-87-32-110 NUT (34) (right).
(b) The tab washers of the bearing assembly at RIB10 are in the correct condition. If necessary, replace the tab washers (Ref. AMM TASK 54-51-17-000-810) (Ref. AMM TASK 54-51-17-400-809).

4. Procedure
Subtask 54-51-17-420-097-A

A. Installation of the Pylon-to-Wing Aft Attach-Fittings at RIB10

Pylon-to-Wing Aft Attach-Fittings at RIB10

CAUTION: USE BULLET PINS WHEN YOU INSTALL THE SLEEVES. THIS IS TO PREVENT DAMAGE TO THE THREADS.

(1) Apply Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the sleeves and all the friction surfaces.
(2) Put the shackles (41) in position.
(3) Install the sleeves (42).

NOTE: You can install the sleeves more easily if you change the force that the jack applies to the attach-fittings.

(4) Install new AIPC 54-51-87-31-170 TAB WASHERS (40) (left) and new AIPC 54-51-87-32-170 TAB WASHERS (40) (right).
(5) Install the nuts (39).

NOTE: You will only torque the nuts (39) after the installation of the sleeve (32).

(6) Install the sleeve (32).

NOTE: You can install the sleeve more easily if you change the force that the jack applies to the attach-fittings.

(7) Install new AIPC 54-51-87-31-120 TAB WASHER (33) (left) and new AIPC 54-51-87-32-120 TAB WASHER (33) (right).
(8) Install the nut (34).
(9) Lock the sleeves (42) and (32) with a special wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(10) TORQUE the nuts (39) and (34) to between 12 and 1 m.daN (1061.95 and 88.50 lbf.in )

. Use the pin wrench from the 98D54503000001 PYLON R/I WRENCH SET and a torque wrench.
(11) Bend the tab washers (40) and (33) to safety the nuts (39) and (34).
(12) Install the fail-safe pins (43) and (31).
(13) Lock the fail-safe pins (43) and (31) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(14) Install the nuts (38) and (35) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(15) TORQUE the nuts (38) and (35) to between 12 and 1 m.daN (1061.95 and 88.50 lbf.in )

WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.

(16) Safety the nuts (38) with new AIPC 54-51-87-31-090 COTTER PINS (37) (left) and new AIPC 54-51-87-32-090 COTTER PINS (37) (right).
(17) Safety the nuts (35) with new AIPC 54-51-87-31-090 COTTER PIN (36) (left) and new AIPC 54-51-87-32-090 COTTER PIN (36) (right).

Subtask 54-51-17-081-057-A

B. Removal of the Dynamometric Adaptor and Jack below the Attach-Fittings
(1) Release the force applied at the forward engine-to-pylon attach-fittings and lower the jack.
(2) Remove the 98D54403009000 DYNAMOMETRIC ADAPTOR.
(3) Remove the jack from below the forward engine-to-pylon attach-fittings.

5. Close-up
Subtask 54-51-17-586-057-A

A. Aircraft Lowering
(1) Lower the aircraft (Ref. AMM TASK 07-11-00-586-002).

Subtask 54-51-17-410-066-A

B. Installation of the Access Panels and Fairing
(1) Install the Rear Pylon Fairing (RPF) (Ref. AMM TASK 54-54-00-400-803).
(2) Install the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-400-806):
(a) For the left pylon: 471CL 472BR
(b) For the right pylon: 481BL 482CR.

Subtask 54-51-17-420-100-A

C. Installation of the Components
(1) Install the engine (Ref. AMM TASK 71-00-51-400-803).
(2) Install the thrust-reverser cowl doors (Ref. AMM TASK 78-32-11-400-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL 462AR.
(3) Install the fan cowl doors (Ref. AMM TASK 71-13-11-400-806):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR.

Subtask 54-51-17-440-059-A

D. Reactivation of the Thrust Reverser
(1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-807).

Subtask 54-51-17-942-067-A

E. Close Access
(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 12:49:57 UTC