Installation of the Pylon-to-Wing Forward Attach-Fittings at RIB5

TASK 54-51-17-400-807-A
Installation of the Pylon-to-Wing Forward Attach-Fittings at RIB5

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: DO NOT GET FUEL IN YOUR MOUTH, EYES OR ON YOUR SKIN. DO NOT BREATHE THE FUMES FROM THE FUEL. KEEP THE FUEL AWAY FROM SPARKS, FLAME AND HEAT. FUEL IS POISONOUS AND FLAMMABLE, WHICH CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO 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	CONTAINER 3 L(3/4 USGAL)
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 5 and 4 m.daN (36.87 and 29.50 lbf.ft )
98D54403000000	1	DUMMY SHACKLES-PYLON TO WING YOKES
98D54403001000	1	DUMMY SLEEVES-PYLON TO WING YOKES
98D54403009000	1	DYNAMOMETRIC ADAPTOR
98D54503000001	1	PYLON R/I WRENCH SET

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03FAB1)	Mineral Oil base Grease-- Vaseline or Petrolatum -
(Material No.03GBC1)	Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. -
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14QDC1)	Wire-Locking Dia: 0.5 mm (0.020 inch) CRES -
(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
413ET, 423ET, 471AL, 471BL, 472AR, 481AL, 482AR, 482BR
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
11	O-RINGS	AIPC 28-21-86-50-120
24	O-RINGS	AIPC 28-21-86-50-120
13	RETAINING RINGS	AIPC 28-21-86-50-150
26	RETAINING RINGS	AIPC 28-21-86-50-150
12	O-RINGS	AIPC 28-21-86-50-160
25	O-RINGS	AIPC 28-21-86-50-160
11	O-RINGS	AIPC 28-21-86-51-120
24	O-RINGS	AIPC 28-21-86-51-120
13	RETAINING RINGS	AIPC 28-21-86-51-150
26	RETAINING RINGS	AIPC 28-21-86-51-150
12	O-RINGS	AIPC 28-21-86-51-160
25	O-RINGS	AIPC 28-21-86-51-160
13	COTTER PINS	AIPC 36-11-85-01-510
4	COTTER PINS	AIPC 36-11-85-01-510
11	COTTER PINS	AIPC 54-51-87-31-010
13	NUTS	AIPC 54-51-87-31-030
14	TAB WASHERS	AIPC 54-51-87-31-040
11	COTTER PINS	AIPC 54-51-87-32-010
13	NUTS	AIPC 54-51-87-32-030
14	TAB WASHERS	AIPC 54-51-87-32-040

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 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
TASK 28-00-00-910-001-A	Fuel Safety Procedures
TASK 28-16-42-400-001-A	Installation of the Fuel Recirculation Check-valve
TASK 28-21-00-790-001-A	Leak Test of the Main Fuel-Pump-System Pipelines
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 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 Forward Attach-Fittings at RIB5
Fuel System - Pylon-to-Wing Junction
Electrical Connectors and Rods

3. Job Set-up
Subtask 54-51-17-941-074-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 you obeyed the instructions of the fuel safety procedure (Ref. AMM TASK 28-00-00-910-001).
(4) Make sure that the aircraft is stable (Ref. AMM TASK 05-57-00-200-001).

Subtask 54-51-17-010-073-A

B. Removal of the Access Panels and Doors
(1) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position:
(a) For the left pylon, in zones 410 and 470
(b) For the right pylon, in zones 420 and 480.
(2) Make sure that the pylon-to-wing access panels and doors are removed (Ref. AMM TASK 54-53-11-000-806):
(a) For the left pylon: 413ET 471AL 471BL 472AR
(b) For the right pylon: 423ET 481AL 482AR 482BR.

Subtask 54-51-17-160-057-A

C. Preparation for Installation

Pylon-to-Wing Forward Attach-Fittings at RIB5

(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 the nuts (13) are in the correct condition. If necessary, replace the AIPC 54-51-87-31-030 NUTS (13) (left) and AIPC 54-51-87-32-030 NUTS (13) (right).

NOTE: If installed, it is necessary to remove the 98D54403000000 DUMMY SHACKLES-PYLON TO WING YOKES and the 98D54403001000 DUMMY SLEEVES-PYLON TO WING YOKES.

4. Procedure
Subtask 54-51-17-420-094-A

A. Installation of the Pylon-to-Wing Forward Attach-Fittings at RIB5

Pylon-to-Wing Forward Attach-Fittings at RIB5

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, the spigot and all the friction surfaces.
(2) Put the shackles (17) in position.
(3) Install the sleeves (15). Install the top sleeve first.

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

NOTE: For the top attachments, the nuts, the cotter pins and the lockwashers are installed in the outer side of the pylons (always symmetrically to the pylon centerline).
For the bottom attachments, the nuts, the cotter pins and the lockwashers are installed in the inner side of the pylons (always symmetrically to the pylon centerline).

(4) Install new AIPC 54-51-87-31-040 TAB WASHERS (14) (left) and new AIPC 54-51-87-32-040 TAB WASHERS (14) (right).
(5) Install the nuts (13).
(6) Lock the sleeves (15) with a special wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(7) TORQUE the nuts (13) to between 5 and 4 m.daN (36.87 and 29.50 lbf.ft )

. Use a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET and a torque wrench.
(8) Bend the tab washers (14) to safety the nuts (13).
(9) Install the fail-safe pins (16).
(10) Lock the fail-safe pins (16) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(11) Install the nuts (12) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(12) TORQUE the nuts (12) to between 5 and 4 m.daN (36.87 and 29.50 lbf.ft )

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.

(13) Safety the nuts (12) with new AIPC 54-51-87-31-010 COTTER PINS (11) (left) and new AIPC 54-51-87-32-010 COTTER PINS (11) (right).

Subtask 54-51-17-081-056-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 54-51-17-420-095-A

A. Connection of the Fuel/Defuel System Components

WARNING: EXTREME CARE MUST BE EXERCISED WHEN INSTALLING THE O-RING SEALS. MISALIGNMENT CAN CAUSE DAMAGE WHICH CAN LEAD TO FUEL LEAKS.

(1) Make sure that a CONTAINER 3 L(3/4 USGAL) is in position below the connections.
(2) Connect the fuel line coupling to its connection adjacent to RIB5 of the pylon box. To do this:

Fuel System - Pylon-to-Wing Junction

(a) Remove the blanking caps from the disconnected fuel pipe assemblies (32) and (33).
(b) Apply Mineral Oil base Grease-- Vaseline or Petrolatum - (Material No.03FAB1) to:
(c) Install the O-rings (11) and (12) on the fuel pipe assemblies (32) and (33).
(d) Install the pipe (22) on the fuel pipe assemblies (32) and (33). To do this:
1 Remove the PLUG-BLANKING from each disconnected line end.
2 Install the O-rings (24) and (25) on the pipe (22).
3 Install new AIPC 28-21-86-50-150 RETAINING RINGS (26) (left) and new AIPC 28-21-86-51-150 RETAINING RINGS (26) (right) on the pipe (22).
4 Install new AIPC 28-21-86-50-150 RETAINING RINGS (13) (left) and new AIPC 28-21-86-51-150 RETAINING RINGS (13) (right) on the fuel pipe assemblies (32) and (33).
5 Align the pipe (22) with the fuel pipe assemblies (32) and (33).
6 Make sure that clearance A1 between the fuel pipe assembly (32) and the pipe (22) is 5 +3 mm or -3 mm (0.1969 +0.1181 in. or -0.1181 in.).
7 Make sure that the clearance between the fuel pipe assembly (33) and the pipe (22) is 5 +3 mm or -3 mm (0.1969 +0.1181 in. or -0.1181 in.).
8 Install the nuts (16) and (27) on the pipe (22) and the fuel pipe assemblies (32) and (33).
9 Put and hold the connectors (28) in correct position.
10 Tighten the nuts (16) and (27) with your hand.

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

11 Safety the nuts (16) and (27) to the connectors (28) with the 14QDC1Wire-Locking Dia: 0.5 mm (0.020 inch) CRES -.
(e) Move the sleeves (29) down.
(f) Put the clamps (14) in position.
(g) Install the washers (30) and the bolts (31).
(h) Install the nuts (15) and tighten them.
(i) Install the clamps (17) on the pipe (22).
(j) Do the electrical bonding at the applicable location on the clamps (17) (Ref. AMM TASK 20-28-00-912-802).
(k) Put the bonding straps (18), (19) and (23) in position.
(l) Install the bolts (20) on the clamps (17).
(m) Install the nuts (21) and tighten them.
(3) Connect the fuel recirculation check-valve to its connection adjacent to RIB7 of the pylon box (Ref. AMM TASK 28-16-42-400-001).

Subtask 54-51-17-420-096-A

B. Installation of the Electrical Connectors and the Rods

Electrical Connectors and Rods

(1) Put the rods (10) and (14) in position.
(2) Install the bolts (15).
(3) Install the washers (11) and the nuts (12).
(4) Install the sleeves (7) and the bolts (8).
(5) Install the washers (6) and the nuts (5).
(6) Tighten the nuts (12) and (5).

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.

(7) Safety the nuts (12) and (5) with new AIPC 36-11-85-01-510 COTTER PINS (4) and AIPC 36-11-85-01-510 COTTER PINS (13).
(8) Install the clamps (1).
(9) Install the clamps (9) on the rod (10).
(10) Install the washers (2) and the bolts (3).
(11) Install the nuts (16) and tighten them.
(12) Remove the CAP-BLANKING from each electrical connector and receptacle.
(13) Make sure that all the electrical connections are clean and in the correct condition.
(14) Connect electrical connectors 6HA1-B (6HA2-B) (17) and 6HA1-A (6HA2-A) (18) to the temperature sensors.

Subtask 54-51-17-420-099-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 54-51-17-790-050-A

D. Leak Test
(1) Do a leak test of the engine fuel feed-pipeline (Ref. AMM TASK 28-21-00-790-001).

Subtask 54-51-17-586-056-A

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

Subtask 54-51-17-410-065-A

F. Installation of the Access Panels and Doors
(1) Install the pylon-to-wing access panels and doors (Ref. AMM TASK 54-53-11-400-806):
(a) For the left pylon: 413ET 471AL 471BL 472AR
(b) For the right pylon: 423ET 481AL 482AR 482BR.

Subtask 54-51-17-440-058-A

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

Subtask 54-51-17-942-068-A

H. 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 12:38:30 UTC