W DOC AIRBUS | AMM A320F

Removal of the Aileron

TASK 27-14-41-000-001-A
Removal of the Aileron

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.
CAUTION: THIS PART IS A REMOVABLE STRUCTURAL COMPONENT (RSC), WHICH CAN BE MOVED BETWEEN AIRCRAFT. THUS IT CAN HAVE DIFFERENT OPERATION CONDITIONS AND A DIFFERENT LIFE RECORD (FLIGHT HOURS/FLIGHT CYCLES/CALENDAR) FROM THE AIRCRAFT IT IS INSTALLED ON OR REMOVED FROM. THE OPERATOR IS RESPONSIBLE FOR THE SPECIFIC TRACKING AND CONTINUED AIRWORTHINESS OF REMOVABLE STRUCTURAL COMPONENTS. INCORRECT MAINTENANCE OF THESE COMPONENTS CAN CAUSE A RISK FOR THE FLIGHT SAFETY.
ZONE: 575
ZONE: 675
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 4M (13 FT)
No specific
1
CRANE 100KG (220 LB)
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
1
TRESTLE - PADDED
No specific
AR
WARNING NOTICE(S)
98D27104001000
1
FRAME-LIFTING ASSEMBLY,AILERON
98D27104002001
1
SUPPORT - AILERON ACTUATOR
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
575
AFT OUTBD SE OF WING AND TE FIXED STRUCT
675
AFT OUTBD SE OF WING AND TE FIXED STRUCT
575AT, 575KB, 575LB, 575MB, 590AB, 590BB, 675AT, 675KB, 675LB, 675MB, 690AB, 690BB
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 23-61-41-000-001-A
Removal of the Static Discharger
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 29-10-00-864-001-A
Depressurize the Green Hydraulic System
TASK 29-10-00-864-003-A
Depressurize the Blue Hydraulic System
TASK 29-14-00-614-001-A
Depressurization of the Hydraulic Reservoirs
TASK 57-51-37-000-005-A
Removal of the Access Panels 575KB(675KB), 575LB(675LB), 575MB(675MB)
TASK 57-51-37-000-007-A
Removal of the Access Panel
F Aileron - Location and Detail
F Aileron Attachment - Hinges and Actuators
3. Job Set-up
Subtask 27-14-41-941-052-A
A. Safety Precautions
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) Put WARNING NOTICE(S) in position in the cockpit to tell persons not to operate the flight controls.
Subtask 27-14-41-860-050-A
B. 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) Fully retract the flaps (Ref. AMM TASK 27-50-00-866-009).
   (2) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is on the flap/slat control lever.
   (3) Depressurize the Green and the Blue hydraulic systems (Ref. AMM TASK 29-10-00-864-001), (Ref. AMM TASK 29-10-00-864-003).
   (4) Depressurize the applicable hydraulic reservoir (Ref. AMM TASK 29-14-00-614-001).
Subtask 27-14-41-865-050-A
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B11
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B06
** ON A/C ALL
105VUFLIGHT CONTROLS/ELAC2/STBY SPLY16CE2A02
105VUFLT CTL/ELAC1/STBY SPLY16CE1A01
121VUFLIGHT CONTROLS/ELAC2/NORM/SPLY15CE2R20
Subtask 27-14-41-010-050-B
D. Get Access
   (1) Put the ACCESS PLATFORM 4M (13 FT) in position below the applicable zone 575 or 675.
   (2) Remove the applicable access panels (Ref. AMM TASK 57-51-37-000-007), (Ref. AMM TASK 57-51-37-000-005):
   (3) Remove the static dischargers so that you do not cause damage to them (Ref. AMM TASK 23-61-41-000-001).
   (4) Loosen the screws (1), (3) and (5) to let the upper and lower aileron seals (2), (4) and (6) move.
   (5) Manually move the aileron to get access to the actuators and the hinges.
NOTE: The internal flutter dampening system of the actuators will keep the aileron in position.
   (6) To prevent damage to the hydraulic pipes install the 98D27104002001 SUPPORT - AILERON ACTUATOR and attach it with the screw fasteners.
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 27-14-41-020-053-B
A. Removal of the Aileron
   (1) Remove the nuts (61), the washers (60), the bolts (69) and the locking plates (68).
   (2) Remove and discard the cotter pins (65) from the locking caps (64).
   (3) Remove the locking caps (64), the nuts (63) and the washers (62).
   (4) Hold the aileron and remove the pins (67).
   (5) Manually retract actuators No. 1 and No. 2.
   (6) Remove the flanged bush (66) from each actuator attachment bracket.
   (7) Manually move the aileron to the highest position.
   (8) Install the 98D27104001000 FRAME-LIFTING ASSEMBLY,AILERON:
     (a) Make sure that the side plates on the 98D27104001000 FRAME-LIFTING ASSEMBLY,AILERON are correctly installed.
     (b) Make sure that the adjuster assemblies on the 98D27104001000 FRAME-LIFTING ASSEMBLY,AILERON are as far apart as possible.
   (9) Lift the 98D27104001000 FRAME-LIFTING ASSEMBLY,AILERON with the CRANE 100KG (220 LB). Put the 98D27104001000 FRAME-LIFTING ASSEMBLY,AILERON around the aileron, at the same distance from each end.
NOTE: The weight of the aileron and the brackets is 50 kg (110.23 lb).
   (10) To lock the lifting frame assembly:
CAUTION: DO NOT TIGHTEN THE ADJUSTER ASSEMBLIES ON THE LIFTING FRAME TOO MUCH OR YOU WILL DAMAGE THE AILERON.
     (a) Tighten the adjuster assemblies to lock the 98D27104001000 FRAME-LIFTING ASSEMBLY,AILERON in position.
   (11) For hinge No.s 1, 2 and 3:
     (a) Remove the nut (75), the washer (76), the bolt (84), the washer (83) and the bonding strap (77).
     (b) Remove the nut (74), the bolt (73) and the locking plate (72).
     (c) Remove and discard the cotter pin (82) from the locking cap (81).
     (d) Remove the locking cap (81), the nut (80) and the washer (79).
   (12) For hinge No. 5, remove the nut (106), the washer (105), the bolt (97), the washer (98) and the bonding strap (99).
   (13) For hinge No.s 4 and 5, do the steps that follow:
     (a) Remove the nut (107), the washer (108), the bolt (95), the washer (96), and the bonding strap (90).
     (b) Remove the bolt (94) and the locking plate (93).
     (c) Remove and discard the cotter pin (104) from the locking cap (103).
     (d) Remove the locking cap (103), the nut (102) and the washer (101).
   (14) Make sure that the crane holds the aileron and remove the hinge pins (71) and (92).
   (15) Move the aileron aft and away from the wing and put it on the TRESTLE - PADDED.
   (16) If the aileron must be replaced, loosen the adjuster assemblies and remove the 98D27104001000 FRAME-LIFTING ASSEMBLY,AILERON from the aileron.
Subtask 27-14-41-020-052-C
B. Removal of the Bushes from the Hinges
   (1) For hinge No. 1, remove the bush (78).
   (2) For hinge No.s 2 and 3, remove the bushes (70) and (78).
   (3) For hinge No.s 4 and 5, remove the bushes (91) and (100).
[Rev.10 from 2021] 2026.04.01 06:47:13 UTC
"Aviabrain" 2025