W DOC AIRBUS | AMM A320F

Removal of the Servo Control Actuator Eye-End

TASK 27-34-51-000-009-A
Removal of the Servo Control Actuator Eye-End

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: 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.
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: YOU MUST PUT ON AND ATTACH A SAFETY HARNESS BEFORE YOU START WORK:
  • ON THE THS OR IN THE REAR FUSELAGE
  • ON TOP OF THE WINGS OR PYLONS.
WITHOUT A SAFETY HARNESS, YOU CAN FALL. THIS CAN KILL YOU OR CAUSE YOU INJURY.
CAUTION: DO NOT CAUSE DAMAGE TO THE SURFACES. THE COMPONENTS ARE MADE OF CARBONFIBER REINFORCED PLASTIC.
ZONE: 334
ZONE: 344
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)-ADJUSTABLE
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
1
WARNING NOTICE(S)
98D27309001000
1
NEUTRAL SETTING TOOL - ELEVATOR
98D27309009003
1
COLLAR-DEPTH ACTUATOR
98D27309009004
1
COLLAR-DEPTH ACTUATOR
98D27903500000
2
PIN-SIDE STICK LOCKING
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
334
THS TRAILING EDGE
344
THS TRAILING EDGE
334DB, 344DB
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 27-34-51-000-001-A
Removal of the Elevator Servo Control
TASK 29-10-00-864-001-A
Depressurize the Green Hydraulic System
TASK 29-10-00-864-002-A
Depressurize the Yellow 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 55-13-11-000-001-A
Remove/Open of the Trimmable Horizontal Stabilizer (THS) Trailing-Edge Access-Panels
F Servo-Control Actuator Eye-End
3. Job Set-up
Subtask 27-34-51-941-060-A
A. Safety Precautions
   (1) Put the WARNING NOTICE(S) in the flight compartment to tell persons not to operate the flight controls.
   (2) Put the WARNING NOTICE(S) in position to tell persons not to operate the hydraulic systems.
   (3) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at zone 334 (for the left-hand trailing-edge access-panels) and/or zone 344 (for the right-hand trailing-edge access-panels).
Subtask 27-34-51-860-070-A
B. Aircraft Maintenance Configuration
   (1) Set the elevator and the horizontal stabilizer controls to the neutral position.
   (2) Make sure that the hydraulic systems are depressurized
(Ref. AMM TASK 29-10-00-864-001), (Ref. AMM TASK 29-10-00-864-002) and (Ref. AMM TASK 29-10-00-864-003).
   (3) Make sure that the hydraulic reservoirs are depressurized (Ref. AMM TASK 29-14-00-614-001).
Subtask 27-34-51-865-072-A
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B11
49VUFLIGHT CONTROLS/FCDC1/SPLY20CE1B10
49VUFLIGHT CONTROLS/THS/ACTR/MOT219CE2B09
49VUFLIGHT CONTROLS/SEC1/NORM/SPLY21CE1B08
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B06
49VUFLIGHT CONTROLS/FCDC1/SPLY20CE1B05
49VUFLIGHT CONTROLS/THS/ACTR/MOT219CE2B04
49VUFLIGHT CONTROLS/SEC1/NORM/SPLY21CE1B03
** ON A/C ALL
105VUFLIGHT CONTROLS/ELAC2/STBY SPLY16CE2A02
105VUFLT CTL/ELAC1/STBY SPLY16CE1A01
105VUFLT CTL/SEC1/STBY SPLY22CEB01
121VUFLIGHT CONTROLS/FCDC2/SPLY20CE2Q20
121VUFLIGHT CONTROLS/SEC2/SPLY21CE2Q18
121VUFLIGHT CONTROLS/THS ACTR/MOT319CE3Q17
121VUFLIGHT CONTROLS/THS ACTR/MOT119CE1Q16
121VUFLIGHT CONTROLS/ELAC2/NORM/SPLY15CE2R20
Subtask 27-34-51-010-058-A
D. Get Access
   (1) Open trailing-edge access panels 334DB and/or 344DB (Ref. AMM TASK 55-13-11-000-001).
Subtask 27-34-51-481-054-A
E. Installation of the Locking Devices
   (1) Install the 98D27903500000 PIN-SIDE STICK LOCKING in the CAPT and F/O side stick controllers.
   (2) Move the elevator by hand at the upper position:
     (a) If you remove the two elevator servo-controls:
       1 Install the 98D27309001000 NEUTRAL SETTING TOOL - ELEVATOR.
     (b) If you remove only one elevator servo control:
       1 Open trailing-edge access panels 334DB and/or 344DB (Ref. AMM TASK 55-13-11-000-001).
       2 Install the 98D27309009003 COLLAR-DEPTH ACTUATOR or the 98D27309009004 COLLAR-DEPTH ACTUATOR on the servo control actuator that is not removed.
4. Procedure
Subtask 27-34-51-020-058-A
A. Disconnect the Servo-Control Actuator Eye-End from the Elevator Attachment.
   (1) Remove the servo control actuator (10) from the elevator attachment. (Ref. AMM TASK 27-34-51-000-001)
NOTE: The complete removal of the servo control actuator is not necessary. You must remove only the servo-control actuator attachment from the elevator.
   (2) Support the servo control unit (10).
   (3) Move the servo control unit eye-end (6) clear of the elevator.
   (4) Remove the servo-control actuator eye-end:
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
     (a) Remove and discard the lockwire.
     (b) Release the nut (7).
     (c) Release the lock washer (8) from key washer (9).
     (d) Remove the eye-end (6) from servo control actuator (10).
NOTE: Record the number of turns required to remove eye-end (6) from the servo control actuator.
[Rev.10 from 2021] 2026.04.01 06:52:01 UTC
"Aviabrain" 2025