W DOC AIRBUS | AMM A320F

Installation of the Horizontal Support Struts between FR74 and FR77

TASK 53-53-11-400-001-A
Installation of the Horizontal Support Struts between FR74 and FR77

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: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
NOTE: The installation of one support strut is given. The procedure is the same for the other support struts.
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
WARNING NOTICE(S)
No specific
Torque wrench: range to between 2.2 and 2.0 m.daN (16.22 and 14.75 lbf.ft ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.06LCG9)
Non Hardening Jointing Putty-Medium Temp. Area - -
(Material No.12ACC1)
Corrosion Preventive Compound-Heavy Duty Soft Film -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
312AR, 314AR
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
11
COTTER PINS
AIPC 53-53-04-01-040
11
COTTER PINS
AIPC 53-53-84-01-040
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 20-28-00-912-802-A
Electrical Bonding - General Maintenance Procedure
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 51-75-13-916-002-A
Repair to a layer of Corrosion Preventive Compound
TASK 52-41-23-010-801-A
Opening of Access Door 314AR
TASK 52-41-23-410-801-A
Closing of Access Door 314AR
F Horizontal Support Struts
3. Job Set-up
Subtask 53-53-11-860-050-A
A. Aircraft Maintenance Configuration
   (1) Make sure that the aircraft is in the same configuration as for the removal task.
   (2) Make sure that the WARNING NOTICE(S) is(are) in position to tell persons not to move the flight controls.
   (3) Make sure that the access platforms are in position.
   (4) Make sure that access door 312AR is open.
   (5) Make sure that access door 314AR is open (Ref. AMM TASK 52-41-23-010-801).
Subtask 53-53-11-864-053-A
B. Make sure that the Green, Yellow and Blue 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).
Subtask 53-53-11-865-052-A
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
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/SEC3/SPLY21CE3Q19
121VUFLIGHT CONTROLS/SEC2/SPLY21CE2Q18
121VUFLIGHT CONTROLS/THS ACTR/MOT319CE3Q17
121VUFLIGHT CONTROLS/THS ACTR/MOT119CE1Q16
121VUFLIGHT CONTROLS/ELAC2/NORM/SPLY15CE2R20
4. Procedure
Subtask 53-53-11-916-051-A
A. Preparation for Installation:
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Protective treatment.
     (a) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the bolts (9) and the bushes (6) and (7).
Subtask 53-53-11-420-050-A
B. Installation of the Horizontal Support Struts:
   (1) Install the bushes (6) and (7).
   (2) Put the support strut (1) in position and install the washers (8) and the bolts (9).
   (3) Install the washers (10) and the nuts (12).
   (4) TORQUE the nuts (12) to between 2.2 and 2.0 m.daN (16.22 and 14.75 lbf.ft ) T.
   (5) Safety the nuts (12) with the new AIPC 53-53-04-01-040 COTTER PINS (11) or AIPC 53-53-84-01-040 COTTER PINS (11).
   (6) Put the bonding straps (4) in position and install the screws (2), washers (3) and nuts (5) (Ref. AMM TASK 20-28-00-912-802).
   (7) Apply Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) to the work area (Ref. AMM TASK 51-75-13-916-002).
5. Close-up
Subtask 53-53-11-865-051-A
A. Remove the safety clip(s) and the tag(s) and close 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/SEC3/SPLY21CE3Q19
121VUFLIGHT CONTROLS/SEC2/SPLY21CE2Q18
121VUFLIGHT CONTROLS/THS ACTR/MOT319CE3Q17
121VUFLIGHT CONTROLS/THS ACTR/MOT119CE1Q16
121VUFLIGHT CONTROLS/ELAC2/NORM/SPLY15CE2R20
Subtask 53-53-11-410-050-A
B. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close access door 314AR (Ref. AMM TASK 52-41-23-410-801).
   (3) Close access door 312AR.
   (4) Remove the WARNING NOTICE(S).
   (5) Remove the access platform(s).
   (6) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.02 06:29:28 UTC
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