Removal of the Pylon-to-Wing Aft Attach-Fittings at RIB10
TASK 54-51-17-000-809-A
Removal of the Pylon-to-Wing Aft Attach-Fittings at RIB10
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 54-51-17-941-075-A
Subtask 54-51-17-481-058-A
[Rev.10 from 2021]
2026.04.01 12:49:56 UTC
Removal of the Pylon-to-Wing Aft Attach-Fittings 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.
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.
1. Reason for the JobSelf 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) |
| 98D54003005001 | 1 | PYLON SHAFT EXTRACTOR |
| 98D54403009000 | 1 | DYNAMOMETRIC ADAPTOR |
| 98D54503000001 | 1 | PYLON R/I WRENCH SET |
| 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 | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 05-57-00-200-001-B | Aircraft Stability |
| TASK 07-11-00-581-001-A | Lifting for Aircraft Maintenance Operations |
| TASK 54-53-11-000-806-A | Removal of the Pylon-to-Wing Access Panels and Doors |
| TASK 54-54-00-000-804-A | Removal of the Rear Pylon Fairing (RPF) |
| TASK 71-00-51-000-803-A | Removal of the Power Plant with 2D Bootstrap |
| TASK 71-13-11-000-806-A | Removal of the Fan Cowl Doors |
| TASK 78-30-00-040-807-A | Deactivation of the Thrust Reverser System for Nacelle Maintenance (ICU) |
| TASK 78-32-11-000-803-A | Removal of the Thrust Reverser Cowl Doors |
Subtask 54-51-17-941-075-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) Put a WARNING NOTICE(S) 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) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
Subtask 54-51-17-040-062-A (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) Put a WARNING NOTICE(S) 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) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
B. Deactivation of the Thrust Reverser
Subtask 54-51-17-869-065-A Subtask 54-51-17-581-058-A 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 78-30-00-040-807). D. Aircraft Lifting
(1) Lift the aircraft (Ref. AMM TASK 07-11-00-581-001).
Subtask 54-51-17-020-099-A (1) Lift the aircraft (Ref. AMM TASK 07-11-00-581-001).
NOTE: It is not necessary to lift the wheels of the aircraft off the ground. It is only necessary to lift the aircraft sufficiently to prevent a force caused by the reaction of the shock absorber.
E. Removal of the Components
(1) Remove the fan cowl doors (Ref. AMM TASK 71-13-11-000-806):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR.
(2) Remove the thrust-reverser cowl doors (Ref. AMM TASK 78-32-11-000-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL 462AR.
(3) Remove the engine (Ref. AMM TASK 71-00-51-000-803).
Subtask 54-51-17-010-071-A (1) Remove the fan cowl doors (Ref. AMM TASK 71-13-11-000-806):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR.
(2) Remove the thrust-reverser cowl doors (Ref. AMM TASK 78-32-11-000-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL 462AR.
(3) Remove the engine (Ref. AMM TASK 71-00-51-000-803).
F. Removal of the Access Panels and Fairing
(1) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position:
(a) For the left pylon, in zone 470
(b) For the right pylon, in zone 480.
(2) Remove the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-000-806):
(a) For the left pylon: 471CL 472BR
(b) For the right pylon: 481BL 482CR.
(3) Remove the Rear Pylon Fairing (RPF) (Ref. AMM TASK 54-54-00-000-804).
4. Procedure(1) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position:
(a) For the left pylon, in zone 470
(b) For the right pylon, in zone 480.
(2) Remove the pylon-to-wing access panels (Ref. AMM TASK 54-53-11-000-806):
(a) For the left pylon: 471CL 472BR
(b) For the right pylon: 481BL 482CR.
(3) Remove the Rear Pylon Fairing (RPF) (Ref. AMM TASK 54-54-00-000-804).
Subtask 54-51-17-481-058-A
A. Installation of the Dynamometric Adaptor and Jack
(1) Install a 98D54403009000 DYNAMOMETRIC ADAPTOR (top subassembly) in position on the forward engine-to-pylon attach-fittings.
(2) Put the jack in position below the forward engine-to-pylon attach-fittings.
(3) Install the 98D54403009000 DYNAMOMETRIC ADAPTOR (bottom subassembly) on the jack and apply a force of 0 kg (0.0000 lb) to 150 kg (330.6933 lb) in the top direction.
Subtask 54-51-17-020-096-A (1) Install a 98D54403009000 DYNAMOMETRIC ADAPTOR (top subassembly) in position on the forward engine-to-pylon attach-fittings.
(2) Put the jack in position below the forward engine-to-pylon attach-fittings.
(3) Install the 98D54403009000 DYNAMOMETRIC ADAPTOR (bottom subassembly) on the jack and apply a force of 0 kg (0.0000 lb) to 150 kg (330.6933 lb) in the top direction.
B. Removal of the Pylon-to-Wing Aft Attach-Fittings at RIB10
(2) Lock the fail-safe pin (31) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(3) Remove the nut (35) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(4) Remove the fail-safe pin (31).
(5) Release the tab washer (33).
(6) Lock the sleeve (32) with a special wrench from the 98D54503000001 PYLON R/I WRENCH SET and release the nut (34).
(7) Remove the nut (34) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(8) Remove the tab washer (33) and discard it.
(9) Remove the cotter pins (37) and discard them.
(10) Lock the fail-safe pins (43) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(11) Remove the nuts (38) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(12) Remove the fail-safe pins (43).
(13) Release the tab washers (40).
(14) Lock the sleeves (42) with a special wrench from the 98D54503000001 PYLON R/I WRENCH SET and release the nuts (39).
(15) Remove the nuts (39) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(16) Remove the tab washers (40) and discard them.
(17) Remove the sleeves (42) and (32) with the 98D54003005001 PYLON SHAFT EXTRACTOR.
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.
(1) Remove the cotter pin (36) and discard it. (2) Lock the fail-safe pin (31) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(3) Remove the nut (35) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(4) Remove the fail-safe pin (31).
(5) Release the tab washer (33).
(6) Lock the sleeve (32) with a special wrench from the 98D54503000001 PYLON R/I WRENCH SET and release the nut (34).
(7) Remove the nut (34) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(8) Remove the tab washer (33) and discard it.
(9) Remove the cotter pins (37) and discard them.
(10) Lock the fail-safe pins (43) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(11) Remove the nuts (38) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(12) Remove the fail-safe pins (43).
(13) Release the tab washers (40).
(14) Lock the sleeves (42) with a special wrench from the 98D54503000001 PYLON R/I WRENCH SET and release the nuts (39).
(15) Remove the nuts (39) with a pin wrench from the 98D54503000001 PYLON R/I WRENCH SET.
(16) Remove the tab washers (40) and discard them.
(17) Remove the sleeves (42) and (32) with the 98D54003005001 PYLON SHAFT EXTRACTOR.
NOTE: It is necessary to increase the force from the top continuously and equally until you can remove the sleeves.
(18) Remove the shackles (41).
Pylon-to-Wing Aft Attach-Fittings at RIB10