W DOC AIRBUS | AMM A320F

Installation of the Torque Shaft

TASK 27-84-45-400-002-A
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.
FIN: 6002CM
FIN: 6004CM
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
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 ) T
 B. Consumable Materials
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 -
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 21-52-41-000-001-A
Removal of the Air Conditioning Pack
TASK 21-52-41-400-001-A
Installation of the Air Conditioning Pack
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
F Torque shafts - Slat Power Transmission
F Torque Shafts - Slat Power Transmission
3. Job Set-up
Subtask 27-84-45-941-058-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 27-84-45-860-051-A
B. Aircraft Maintenance Configuration
   (1) Make sure that the slats are fully retracted (Ref. AMM TASK 27-80-00-866-005).
   (2) 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.
   (3) Make sure that the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT is installed on the torque shaft 6006CM(6056CM) (Ref. AMM TASK 27-50-00-400-003).
   (4) Make sure that the MLG doors are open (Ref. AMM TASK 32-12-00-010-001).
   (5) Make sure that the 460005835 SLEEVE - GROUND LOCK is on the applicable MLG door actuator.
   (6) Make sure that the air conditioning pack 10HM is removed (Ref. AMM TASK 21-52-41-000-001).
Subtask 27-84-45-865-058-A
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB06
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB01
** ON A/C ALL
121VUFLIGHT CONTROLS/SLT/CTL/SYS27CVR21
4. Procedure
Subtask 27-84-45-420-064-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 27-84-45-420-065-A
B. Installation of the Torque Shaft 6002CM(6004CM)
   (1) Put the retaining ring (6) on the shaft (3).
   (2) Install the universal joint (5) and attach it with the pin (7) and the retaining ring (6).
   (3) Install the universal joint (1).
   (4) Install the shaft (3) and attach it with the bolts (4) and the nuts (2).
   (5) TORQUE the nuts (2) to between 1.24 and 1.02 m.daN (109.73 and 90.27 lbf.in ) T.
   (6) Apply a layer of Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) to the:
  • nuts (2)
  • bolts (4)
  • flanges of the universal joints (1) and (5)
  • flanges of the shaft (3).
   (7) Remove the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT from the torque shaft 6006CM(6056CM) (Ref. AMM TASK 27-50-00-000-003).
Subtask 27-84-45-210-051-A
C. Dimensional/Visual Checks
F Torque Shafts - Slat Power Transmission
   (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.
Subtask 27-84-45-865-059-A
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB06
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB01
** ON A/C ALL
121VUFLIGHT CONTROLS/SLT/CTL/SYS27CVR21
Subtask 27-84-45-710-050-A
E. Test
   (1) 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
Subtask 27-84-45-410-050-A
A. Close Access
   (1) Install the air conditioning pack 10HM (Ref. AMM TASK 21-52-41-400-001).
   (2) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
Subtask 27-84-45-942-050-A
B. Removal of Equipment
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the safety barriers.
   (3) Remove the WARNING NOTICE(S).
   (4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.01 07:07:42 UTC
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