DOC AIRBUS | AMM A320FInstallation of the Torque Shaft
TASK 27-84-45-400-003-A
Installation of the Torque Shaft
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 27-84-45-941-059-A
Subtask 27-84-45-420-066-A
Subtask 27-84-45-410-051-A
[Rev.10 from 2021]
2026.03.31 23:57:03 UTC
Installation of the Torque Shaft
WARNING:
MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING NOTICES ARE IN POSITION.
WARNING:
MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | WARNING NOTICE(S) |
| No specific | Torque wrench: range to between 1.24 and 1.02 m.daN (109.73 and 90.27 lbf.in )  | |
| 98D27504030001 | 2 | LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.03FDB1) | Mineral Oil base Grease-Anti-Fretting Paste - |
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.12ACC1) | Corrosion Preventive Compound-Heavy Duty Soft Film - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 191BB, 192FB |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 27-50-00-000-003-A | Removal of the Lock-Torque Shaft - Flaps and Slats (98D27504030001) |
| TASK 27-50-00-400-003-A | Installation of the Lock-Torque Shaft - Flaps and Slats (98D27504030001) |
| TASK 27-80-00-866-005-A | Retracting the Slats on the Ground |
| TASK 27-84-00-710-001-A | Operational Test of the Slat System |
| TASK 32-12-00-010-001-A | Open the Main Gear Doors for Access |
| TASK 32-12-00-410-001-A | Close the Main Gear Doors after Access |
| TASK 53-35-13-000-002-A | Removal of the Quick-Release Access Panels from the Belly Fairing Structure |
| TASK 53-35-13-400-002-A | Installation of the Quick-Release Access Panels on the Belly Fairing Structure |
Torque shafts - Slat Power TransmissionSubtask 27-84-45-941-059-A
A. Safety Precautions
(1) Make sure that the SAFETY BARRIER(S) are in position.
(2) Make sure that the WARNING NOTICE(S) is in position to tell persons not to operate the slat controls.
(3) Make sure that the WARNING NOTICE(S) is in position to tell persons not to operate the landing gear doors.
Subtask 27-84-45-860-052-A (1) Make sure that the SAFETY BARRIER(S) are in position.
(2) Make sure that the WARNING NOTICE(S) is in position to tell persons not to operate the slat controls.
(3) Make sure that the WARNING NOTICE(S) is in position to tell persons not to operate the landing gear doors.
B. Aircraft Maintenance Configuration
(1) Make sure that the applicable main gear door is open (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is on the applicable main gear door actuator.
(3) Make sure that the applicable access panel 191BB, 192FB is removed (Ref. AMM TASK 53-35-13-000-002).
(4) Make sure that the slats are fully retracted (Ref. AMM TASK 27-80-00-866-005).
(5) Make sure that the 98D27803500001 LOCKING TOOL ZERO POS or 98D27803500002 LOCKING TOOL ZERO POS is installed on the flap/slat control lever on panel 114VU.
(6) Make sure that a 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT is installed (Ref. AMM TASK 27-50-00-400-003):
Subtask 27-84-45-865-060-A (1) Make sure that the applicable main gear door is open (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is on the applicable main gear door actuator.
(3) Make sure that the applicable access panel 191BB, 192FB is removed (Ref. AMM TASK 53-35-13-000-002).
(4) Make sure that the slats are fully retracted (Ref. AMM TASK 27-80-00-866-005).
(5) Make sure that the 98D27803500001 LOCKING TOOL ZERO POS or 98D27803500002 LOCKING TOOL ZERO POS is installed on the flap/slat control lever on panel 114VU.
(6) Make sure that a 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT is installed (Ref. AMM TASK 27-50-00-400-003):
- on the torque shaft, inboard of the removed component
- on the torque shaft, outboard of the removed component.
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B06 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B01 |
| ** ON A/C ALL | |||
| 121VU | FLIGHT CONTROLS/SLT/CTL/SYS2 | 7CV | R21 |
Subtask 27-84-45-420-066-A
A. Preparation for Installation
(1) Clean the component interface and/or the adjacent area with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that the parts retained from the removed component are clean and in the correct condition.
(4) Apply a thin layer of Mineral Oil base Grease-Anti-Fretting Paste - (Material No.03FDB1) to the torque shaft splines.
Subtask 27-84-45-420-067-A (1) Clean the component interface and/or the adjacent area with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that the parts retained from the removed component are clean and in the correct condition.
(4) Apply a thin layer of Mineral Oil base Grease-Anti-Fretting Paste - (Material No.03FDB1) to the torque shaft splines.
B. Installation of the Torque Shaft 6006CM(6056CM)
(1) Install the universal joint (8).
(2) Install the shaft (9) and attach it with the bolts (11) and the nuts (10).
(3) TORQUE the nuts (10) to between 1.24 and 1.02 m.daN (109.73 and 90.27 lbf.in ).
(4) Apply a layer of Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) to the:
Subtask 27-84-45-210-054-A (1) Install the universal joint (8).
(2) Install the shaft (9) and attach it with the bolts (11) and the nuts (10).
(3) TORQUE the nuts (10) to between 1.24 and 1.02 m.daN (109.73 and 90.27 lbf.in )
. (4) Apply a layer of Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) to the:
- nuts (10)
- bolts (11)
- flange of the universal joint (8)
- flanges of the shaft (9).
- from the torque shaft, inboard of the applicable component
- from the torque shaft, outboard of the applicable component.
C. Dimensional/Visual Checks
(1) Make sure that:
Subtask 27-84-45-865-062-A (1) Make sure that:
- you cannot see the spline engagement groove at the movable joint
- the dimension A is a minimum of 6.5 mm (0.2559 in.) at the movable joint.
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 27-84-45-710-051-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B06 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B01 |
| ** ON A/C ALL | |||
| 121VU | FLIGHT CONTROLS/SLT/CTL/SYS2 | 7CV | R21 |
E. Test
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Do an operational test of the slat power-transmission system (Ref. AMM TASK 27-84-00-710-001). Make sure that the rotation of the torque shafts does not cause damage.
5. Close-up(1) Make sure that the work area is clean and clear of tools and other items.
(2) Do an operational test of the slat power-transmission system (Ref. AMM TASK 27-84-00-710-001). Make sure that the rotation of the torque shafts does not cause damage.
Subtask 27-84-45-410-051-A
A. Close Access
(1) Install the applicable access panels 191BB 192FB (Ref. AMM TASK 53-35-13-400-002).
(2) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
Subtask 27-84-45-942-051-A (1) Install the applicable access panels 191BB 192FB (Ref. AMM TASK 53-35-13-400-002).
(2) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
B. Removal of Equipment
(1) Remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.