W DOC AIRBUS | AMM A320F

Removal of the Hydraulic Filter for the Aileron Servo-Control

TASK 27-14-51-000-002-A
Removal of the Hydraulic Filter for the Aileron Servo-Control

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.
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 4M (13 FT)
No specific
AR
CONTAINER 1 L (1/4 USGAL)
No specific
AR
PLUG - BLANKING
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
575KB, 675KB
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 29-00-00-910-002-A
Safety Procedures of the Hydraulic System
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 29-23-00-860-001-A
Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU)
F Aileron Servo-Control - Hydraulic Filter
3. Job Set-up
Subtask 27-14-51-941-052-A
A. Safety Precautions
   (1) Put the SAFETY BARRIER(S) in position.
   (2) Put the WARNING NOTICE(S) in the cockpit to tell persons not to pressurize the Green or the Blue hydraulic systems.
   (3) Obey the hydraulic system safety procedures (Ref. AMM TASK 29-00-00-910-002).
Subtask 27-14-51-860-055-A
B. Aircraft Maintenance Configuration
WARNING: OBEY THE HYDRAULIC SAFETY PROCEDURES.
   (1) Disconnect the Isolation Coupling of the Power Transfer Unit (PTU) (Ref. AMM TASK 29-23-00-860-001).
   (2) Make sure that the Green and the Blue hydraulic systems are depressurized (Ref. AMM TASK 29-10-00-864-001) (Ref. AMM TASK 29-10-00-864-003).
   (3) Depressurize the Green and the Blue system hydraulic reservoirs (Ref. AMM TASK 29-14-00-614-001).
Subtask 27-14-51-865-053-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 27-14-51-010-051-A
D. Get Access
   (1) Put the ACCESS PLATFORM 4M (13 FT) in position below the applicable zone 575(675).
   (2) Remove the applicable access panel:
  • For the left wing, panel 575KB
  • For the right wing, panel 675KB.
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 27-14-51-020-051-A
A. Removal of the Hydraulic Filter
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.
   (1) Put a CONTAINER 1 L (1/4 USGAL) under the applicable filter (2).
   (2) Remove and discard the lockwire from the filter (2).
   (3) Remove the filter (2).
   (4) Remove and discard the packing (1) from the filter (2).
   (5) Install the PLUG - BLANKING in the opening in the aileron servo-control.
[Rev.10 from 2021] 2026.03.31 23:47:34 UTC
"Aviabrain" 2025