Installation of the Thrust Reverser Alignment Fitting [PW11]
TASK 78-32-44-400-802-A
Installation of the Thrust Reverser Alignment Fitting
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 78-32-44-941-059-A ** ON A/C NOT FOR ALL
Subtask 78-32-44-410-059-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:33:26 UTC
Installation of the Thrust Reverser Alignment Fitting
WARNING:
WEAR APPLICABLE PERSONAL PROTECTIVE EQUIPMENT (PPE) WHEN YOU DO THIS TASK. BEFORE YOU USE PPE, READ, UNDERSTAND AND OBEY ALL INSTRUCTIONS FOR ITS USE. THESE INSTRUCTIONS INCLUDE INSTRUCTIONS FROM THE MANUFACTURER, YOUR EMPLOYER AND GOVERNMENT REGULATIONS. YOU CAN GET INJURED IF YOU DO NOT USE PPE. GET INSTRUCTIONS FROM YOUR EMPLOYER ON WHICH PPE IS NECESSARY.
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:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 400
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.PU1-0001) | cloth |
| (Material No.PU2-0001) | alcohol, isopropyl |
| (Material No.PU3-0001) | sealant |
| (Material No.PU3-0001A) | sealing compound |
| (Material No.PU3-0001B) | sealing compound |
| (Material No.PU3-0004) | sealant |
| (Material No.PU3-0004A) | sealant |
| (Material No.PU3-0008) | sealant |
| (Material No.PU4-0002) | epoxy primer, fluid resistant |
| (Material No.PU4-0002C) | base primer |
| (Material No.PU4-0002D) | base primer |
| (Material No.PU4-0002E) | base primer |
| (Material No.PU4-0004A) | curing solution, epoxy primer |
| (Material No.PU4-0005) | thinner |
| (Material No.PU4-0007) | converter |
| (Material No.PU4-0008) | thinner |
| (Material No.PU4-0009) | curing solution |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 400 | POWER PLANT, NACELLES AND PYLONS |
| 451DL, 452DR, 461DL, 462DR | |
| FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1) | |
| 437AL, 438AR, 451AL, 452AR | |
| FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2) | |
| 447AL, 448AR, 461AL, 462AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-00-00-860-833-A | Procedure to Prevent Engine Motoring |
| TASK 71-13-00-010-802-A | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-802-A | Closing of the Fan Cowl Doors |
| TASK 78-30-00-040-805-A | Deactivation of the Thrust Reverser System for Ground Maintenance |
| TASK 78-30-00-440-805-A | Reactivation of the Thrust Reverser System after Ground Maintenance |
| TASK 78-30-05-400-801-A | Installation of the Thrust Reverser Floating hinges |
| TASK 78-30-06-000-801-A | Removal of the Thrust Reverser Hinge Access Panels |
| TASK 78-30-06-400-801-A | Installation of the Thrust Reverser Hinge Access Panels |
| TASK 78-36-00-010-802-A | Opening of the Thrust Reverser Cowl-Doors |
| TASK 78-36-00-410-802-A | Closing of the Thrust Reverser Cowl-Doors |
Subtask 78-32-44-941-059-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).
Subtask 78-32-44-010-066-A ** ON A/C NOT FOR ALL (1) Make sure that you did the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).
B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position.
Subtask 78-32-44-040-059-A ** ON A/C NOT FOR ALL (1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position.
C. Deactivation of the Thrust Reverser System for Maintenance
Subtask 78-32-44-010-074-A ** ON A/C NOT FOR ALL WARNING:
YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.
(1) Make sure that you did the deactivation of the thrust reverser system for maintenance (Ref. AMM TASK 78-30-00-040-805). D. Get Access
(1) Make sure that the applicable forward hinge access-panel 451DL, 452DR, 461DL or 462DR is removed (Ref. AMM TASK 78-30-06-000-801).
(2) Make sure that the applicable thrust reverser cowl-door is open (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.
4. Procedure(1) Make sure that the applicable forward hinge access-panel 451DL, 452DR, 461DL or 462DR is removed (Ref. AMM TASK 78-30-06-000-801).
(2) Make sure that the applicable thrust reverser cowl-door is open (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.
CAUTION:
WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.
Subtask 78-32-44-420-058-A ** ON A/C NOT FOR ALL A. Installation of the Thrust Reverser Alignment Fitting
(2) Install the thrust reverser alignment fitting (3) or (6) as follows:
(a) Put the thrust reverser alignment fitting (3) or (6) in position.
(b) Make sure that the distance between the aft surface of the engine V-groove and the alignment fitting (3) or (6) is between 0.045 in. (1.14 mm) and 0.065 in. (1.65 mm).
1 If the distance is not correct, use the shim (2).
(3) If the shim (2) is necessary, prepare the shim (2) for the installation.
(4) Mix thePU4-0002 epoxy primer, fluid resistant , the PU4-0004A curing solution, epoxy primer and the thinner (Material No.PU4-0005) or the thinner (Material No.PU4-0008) . Refer to the instructions of the manufacturer.
PU4-0002 epoxy primer, fluid resistant mixture to the surface of the shim (2). Refer to the instructions of the manufacturer:
(a) Make sure that the thickness of thePU4-0002 epoxy primer, fluid resistant mixture is between 0.0005 in. (0.01 mm) and 0.0008 in. (0.02 mm).
(6) Let thePU4-0002 epoxy primer, fluid resistant mixture dry to the touch.
(7) To get access easier, move the floating hinge when you install the alignment fitting (3) or (6).
PRE SB GRAA320NEO-A-78-30-0018-00001-930A-D
(8) Install the thrust reverser alignment fitting (3):
(a) Install the thrust reverser alignment fitting (3) and, if necessary, the shim (2), on the hinge beam.
1 Use the four pins (1), four washers (4) and four nuts (5).
2 Wet-install the fasteners with the sealant (Material No.PU3-0004) .
.
END OF PRE SB GRAA320NEO-A-78-30-0018-00001-930A-D
POST SB GRAA320NEO-A-78-30-0018-00001-930A-D
(9) Install the thrust reverser alignment fitting (6):
(a) Install the thrust reverser alignment fitting (6) and, if necessary, the shim (2), on the hinge beam.
1 Use the three pins (1), the bolt (7), the three washers (4), the washer (8) and the three nuts (5).
2 Wet-install the fasteners with the sealant (Material No.PU3-0004) .
(b) TORQUE the three nuts (5) to between 70 and 60 lbf.in (0.79 and 0.68 m.daN )
.
(c) TORQUE the bolt (7) to between 90 and 81 lbf.in (1.02 and 0.92 m.daN )
.
END OF POST SB GRAA320NEO-A-78-30-0018-00001-930A-D
(10) If you moved the floating hinge, put the floating hinge back into position.
(11) Install the hinge pin, washer, techtrom washer and nut on the R1 hinge position (Ref. AMM TASK 78-30-05-400-801).
(12) Apply the sealant (Material No.PU3-0008) to the laminated shim:
(a) Use the clean cloth (Material No.PU1-0001) and thePU2-0001 alcohol, isopropyl .
(14) Remove thePU2-0001 alcohol, isopropyl with the clean cloth (Material No.PU1-0001) before the PU2-0001 alcohol, isopropyl dries.
(15) Apply a bead of the sealant (Material No.PU3-0008) around the laminated shim.
(a) Make sure that there are no air bubbles in the sealant.
(b) Make sure that the sealant is at least 0.08 in. (2.03 mm) at the thickest part.
(16) Cure the sealant (Material No.PU3-0008) . Refer to the instructions of the manufacturer.
5. Close-upNOTE: The following procedures are for the installation of the left thrust reverser alignment fitting. The procedures for the installation of the right thrust reverser alignment fitting are opposite.
CAUTION:
REMOVE AND INSTALL PROTECTION COVERS AS NECESSARY TO PREVENT DAMAGE TO THE ENGINE AND ADJACENT COMPONENTS.
(1) Make sure that you remove the COVER - PROTECTION as necessary, to prevent damage of the engine.(2) Install the thrust reverser alignment fitting (3) or (6) as follows:
(a) Put the thrust reverser alignment fitting (3) or (6) in position.
(b) Make sure that the distance between the aft surface of the engine V-groove and the alignment fitting (3) or (6) is between 0.045 in. (1.14 mm) and 0.065 in. (1.65 mm).
1 If the distance is not correct, use the shim (2).
(3) If the shim (2) is necessary, prepare the shim (2) for the installation.
(4) Mix the
NOTE: You can use the following as alternatives to the PU4-0002 epoxy primer, fluid resistant mixture:
(5) Apply a thin layer of the - The base primer (Material No.PU4-0002C) ,
and the thinner (Material No.PU4-0005) or the thinner (Material No.PU4-0008)PU4-0004A curing solution, epoxy primer - The base primer (Material No.PU4-0002D) and the curing solution (Material No.PU4-0009)
- The base primer (Material No.PU4-0002E) and the converter (Material No.PU4-0007) .
(a) Make sure that the thickness of the
(6) Let the
(7) To get access easier, move the floating hinge when you install the alignment fitting (3) or (6).
PRE SB GRAA320NEO-A-78-30-0018-00001-930A-D
(8) Install the thrust reverser alignment fitting (3):
(a) Install the thrust reverser alignment fitting (3) and, if necessary, the shim (2), on the hinge beam.
1 Use the four pins (1), four washers (4) and four nuts (5).
2 Wet-install the fasteners with the sealant (Material No.PU3-0004) .
NOTE: You can use the sealant (Material No.PU3-0004A) as an alternative to the sealant (Material No.PU3-0004) .
(b) TORQUE the four nuts (5) to between 70 and 60 lbf.in (0.79 and 0.68 m.daN )
. END OF PRE SB GRAA320NEO-A-78-30-0018-00001-930A-D
POST SB GRAA320NEO-A-78-30-0018-00001-930A-D
(9) Install the thrust reverser alignment fitting (6):
(a) Install the thrust reverser alignment fitting (6) and, if necessary, the shim (2), on the hinge beam.
1 Use the three pins (1), the bolt (7), the three washers (4), the washer (8) and the three nuts (5).
2 Wet-install the fasteners with the sealant (Material No.PU3-0004) .
(b) TORQUE the three nuts (5) to between 70 and 60 lbf.in (0.79 and 0.68 m.daN )
. (c) TORQUE the bolt (7) to between 90 and 81 lbf.in (1.02 and 0.92 m.daN )
. END OF POST SB GRAA320NEO-A-78-30-0018-00001-930A-D
(10) If you moved the floating hinge, put the floating hinge back into position.
(11) Install the hinge pin, washer, techtrom washer and nut on the R1 hinge position (Ref. AMM TASK 78-30-05-400-801).
(12) Apply the sealant (Material No.PU3-0008) to the laminated shim:
NOTE: You can use the following as alternatives to the sealant (Material No.PU3-0008) :
(13) Clean around the surfaces of the thrust reverser alignment fitting (3), laminated shim (2) and hinge beam where you will apply sealant.(a) Use the clean cloth (Material No.PU1-0001) and the
(14) Remove the
(15) Apply a bead of the sealant (Material No.PU3-0008) around the laminated shim.
(a) Make sure that there are no air bubbles in the sealant.
(b) Make sure that the sealant is at least 0.08 in. (2.03 mm) at the thickest part.
(16) Cure the sealant (Material No.PU3-0008) . Refer to the instructions of the manufacturer.
Subtask 78-32-44-410-059-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the applicable thrust reverser cowl-door (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.
(3) Install the applicable hinge access-panel 451DL, 452DR, 461DL or 462DR (Ref. AMM TASK 78-30-06-400-801).
Subtask 78-32-44-440-056-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the applicable thrust reverser cowl-door (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.
(3) Install the applicable hinge access-panel 451DL, 452DR, 461DL or 462DR (Ref. AMM TASK 78-30-06-400-801).
B. Do the reactivation of the thrust reverser system after ground maintenance (Ref. AMM TASK 78-30-00-440-805).
Subtask 78-32-44-410-055-A ** ON A/C NOT FOR ALL
Thrust Reverser Alignment Fitting