W DOC AIRBUS | AMM A320F

Removal of the Elevator Position Transducer-Unit

TASK 27-92-13-000-001-A
Removal of the Elevator Position Transducer-Unit

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: 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
FIN: 49CE1
FIN: 49CE2
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 5M (16 FT)- ADJUSTABLE
No specific
AR
CAP - BLANKING
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
TIE WRAP(S)
No specific
AR
WARNING NOTICE(S)
98D27903500000
2
PIN-SIDE STICK LOCKING
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
334
THS TRAILING EDGE
344
THS TRAILING EDGE
FOR [49CE1] (XDCR UNIT-ELEV POS, L)
334BT, 334DB
FOR [49CE2] (XDCR UNIT-ELEV POS, R)
344BT, 344DB
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 55-13-11-000-001-A
Remove/Open of the Trimmable Horizontal Stabilizer (THS) Trailing-Edge Access-Panels
F Elevator-Servocontrol Position Transducer Unit
3. Job Set-up
Subtask 27-92-13-860-051-A
A. Aircraft Maintenance Configuration
   (1) Make sure that the controls of the elevators and the Trimmable Horizontal Stabilizer (THS) are set to the neutral position.
Subtask 27-92-13-865-050-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B11
49VUFLIGHT CONTROLS/THS/ACTR/MOT219CE2B09
49VUFLIGHT CONTROLS/SEC1/NORM/SPLY21CE1B08
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B06
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/SEC2/SPLY21CE2Q18
121VUFLIGHT CONTROLS/THS ACTR/MOT319CE3Q17
121VUFLIGHT CONTROLS/THS ACTR/MOT119CE1Q16
121VUFLIGHT CONTROLS/ELAC2/NORM/SPLY15CE2R20
Subtask 27-92-13-481-050-A
C. Install Locking Devices
   (1) Put the 98D27903500000 PIN-SIDE STICK LOCKING in the CAPT and F/O side stick controllers.
Subtask 27-92-13-941-050-A
D. Safety Precautions
   (1) Put the WARNING NOTICE(S) in the cockpit, 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) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
Subtask 27-92-13-020-050-A
E. Get Access
   (1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at zones 334 and/or 344.
   (2) Open the trailing edge access panels of the Trimmable Horizontal Stabilizer (THS) (Ref. AMM TASK 55-13-11-000-001):
     (a) FOR [49CE1] (XDCR UNIT-ELEV POS, L)
     (b) FOR [49CE2] (XDCR UNIT-ELEV POS, R)
4. Procedure
Subtask 27-92-13-020-052-A
A. Disconnection of the Control Rod
   (1) Disconnect the bonding strap (9) from the control rod (7):
     (a) Remove the nut (11), the washer (10) and the bolt (8).
     (b) Disconnect the bonding strap (9) from the control rod (7).
   (2) Remove and discard the cotter pin (14).
   (3) Remove the nut (13), washer (12), bolt (5) and bush (6) that hold the control rod (7) on the elevator position transducer-unit (1).
   (4) Remove the control rod (7) from the elevator position transducer-unit (1).
   (5) Safety the disconnected end of the control rod (7) to the aircraft structure at BR2 with the TIE WRAP(S).
Subtask 27-92-13-020-051-A
B. Removal of the Elevator Position Transducer-Unit
   (1) Disconnect the electrical connectors (3) from the receptacles (2).
   (2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (3) Remove the bolts (23) and the washers (24) that hold the mounting bracket (15) to its supports.
   (4) Remove and discard the cotter pins (18) and (22).
   (5) Remove the nuts (17), the washers (16) and the lower attaching bolts (4).
   (6) Remove the nut (21), the washer (20) and the upper attaching bolt (19).
   (7) Remove the elevator position transducer-unit (1) from the mounting bracket (15).
[Rev.10 from 2021] 2026.03.31 23:58:29 UTC
"Aviabrain" 2025