W DOC AIRBUS | AMM A320F

Removal of the Steady Bearings

TASK 27-54-44-000-002-A
Removal of the Steady Bearings

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: 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.
CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
  • DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
  • DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
  • MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
FIN: 6215CM
FIN: 6219CM
FIN: 6223CM
FIN: 6225CM
FIN: 6229CM
FIN: 6231CM
FIN: 6265CM
FIN: 6269CM ** ON A/C NOT FOR ALL
FIN: 6273CM
FIN: 6275CM
FIN: 6279CM
FIN: 6281CM
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 3M (10 FT)- ADJUSTABLE
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
98D27803500001
1
LOCKING TOOL ZERO POS
98D27803500002
1
LOCKING TOOL ZERO POS
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [6231CM] (FLAP STEADY BEARING)
575EB
FOR [6281CM] (FLAP STEADY BEARING)
675EB
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 27-50-00-400-003-A
Installation of the Lock-Torque Shaft - Flaps and Slats (98D27504030001)
TASK 27-50-00-866-009-A
Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01
Retraction of the Flaps/Slats on the Ground
TASK 27-54-45-000-008-A
Removal of the Torque Shafts
TASK 27-54-45-000-009-A
Removal of Torque Shaft
TASK 27-54-45-000-010-A
Removal of the Torque Shaft
TASK 27-54-45-000-012-A
Removal of the Torque Shaft
TASK 27-54-45-000-013-A
Removal of the Torque Shaft
TASK 57-51-37-000-004-A
Removal of the Access Panels 575AB(675AB), 575BB(675BB), 575CB(675CB), 575DB(675DB), 575EB(675EB), 575FB(675FB), 575GB(675GB), 575HB(675HB)
F Steady Bearings - Flap Power Transmission
3. Job Set-up
Subtask 27-54-44-941-053-A
A. Safety Precautions
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the landing-gear doors.
   (3) Put a WARNING NOTICE(S) on panel 114VU to tell persons not to operate the flap/slat controls.
Subtask 27-54-44-865-056-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB02
** ON A/C ALL
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 27-54-44-860-051-A
C. Aircraft Maintenance Configuration
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
   (1) Retract the flaps fully (Ref. AMM TASK 27-50-00-866-009).
   (2) Install the 98D27803500001 LOCKING TOOL ZERO POS or 98D27803500002 LOCKING TOOL ZERO POS on the flap/slat control lever on panel 114VU.
Subtask 27-54-44-010-050-A
D. Get Access
   (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the applicable torque shaft.
   (2) Remove the applicable torque shaft (11) (Ref. AMM TASK 27-54-45-000-008), (Ref. AMM TASK 27-54-45-000-009), (Ref. AMM TASK 27-54-45-000-010), (Ref. AMM TASK 27-54-45-000-012), (Ref. AMM TASK 27-54-45-000-013):
     (a) FOR [6215CM] (FLAP STEADY BEARING)
remove the torque shaft 6216CM
     (b) FOR [6225CM] (FLAP STEADY BEARING)
remove the torque shaft 6226CM
     (c) FOR [6265CM] (FLAP STEADY BEARING)
remove the torque shaft 6266CM
     (d) FOR [6275CM] (FLAP STEADY BEARING)
remove the torque shaft 6276CM
     (e) FOR [6219CM] (FLAP STEADY BEARING)
remove the torque shaft 6218CM
     (f) FOR [6269CM] (FLAP STEADY BEARING)
remove the torque shaft 6268CM
     (g) FOR [6223CM] (FLAP STEADY BEARING)
remove the torque shaft 6222CM
     (h) FOR [6273CM] (FLAP STEADY BEARING)
remove the torque shaft 6272CM
     (i) FOR [6229CM] (FLAP STEADY BEARING)
remove the torque shaft 6228CM
     (j) FOR [6279CM] (FLAP STEADY BEARING)
remove the torque shaft 6278CM
     (k) FOR [6231CM] (FLAP STEADY BEARING)
remove the torque shaft 6232CM
     (l) FOR [6281CM] (FLAP STEADY BEARING)
remove the torque shaft 6282CM.
   (3) For steady bearings FIN 6231CM (6281CM), remove the applicable access panel (Ref. AMM TASK 57-51-37-000-004):
     (a) FOR [6231CM] (FLAP STEADY BEARING)
remove 575EB
     (b) FOR [6281CM] (FLAP STEADY BEARING)
remove 675EB.
   (4) Make sure that the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT is on the applicable torque shaft (Ref. AMM TASK 27-50-00-400-003).
4. Procedure
CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
  • DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
  • DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
  • MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
Subtask 27-54-44-020-051-A
A. Removal of the Steady Bearing Assemblies
   (1) Remove the nuts (13), the bolts (12) and the steady bearing (16).
[Rev.10 from 2021] 2026.03.31 23:53:18 UTC
"Aviabrain" 2025