W DOC AIRBUS | AMM A320F

Removal of the Steady Bearings

TASK 27-54-44-000-001-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: 6207CM
FIN: 6213CM
FIN: 6257CM
FIN: 6263CM
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. 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 27-54-45-000-004-A
Removal of the Torque Shaft
TASK 27-54-45-000-007-A
Removal of the Torque Shafts
F Steady Bearings - Flap Power Transmission
3. Job Set-up
Subtask 27-54-44-941-052-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 27-54-44-865-055-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 27-54-44-860-050-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 27-54-44-010-051-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 (1) (Ref. AMM TASK 27-54-45-000-004), (Ref. AMM TASK 27-54-45-000-007):
     (a) FOR [6207CM] (FLAP STEADY BEARING)
remove the torque shaft 6208CM
     (b) FOR [6257CM] (FLAP STEADY BEARING)
remove the torque shaft 6258CM
     (c) FOR [6213CM] (FLAP STEADY BEARING)
remove the torque shaft 6214CM
     (d) FOR [6263CM] (FLAP STEADY BEARING)
remove the torque shaft 6264CM.
   (3) 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 27-54-44-020-050-A
A. Removal of the Steady Bearing Assembly
   (1) Remove and discard the cotter pin (9).
   (2) Remove the nut (10), the bolt (2) and the washers (3).
   (3) Remove the nuts (6), the bolts (4) and the steady bearing (5).
[Rev.10 from 2021] 2026.03.31 23:53:15 UTC
"Aviabrain" 2025