W DOC AIRBUS | AMM A320F

Installation of the Support Fittings of the Trimmable Horizontal Stabilizer (THS)

TASK 53-56-11-400-001-A
Installation of the Support Fittings of the Trimmable Horizontal Stabilizer (THS)

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.
ZONE: 310
ZONE: 312
ZONE: 314
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
SCRAPER - NON METALLIC
No specific
1
WARNING NOTICE(S)
No specific
Torque wrench: range to between 3.00 and 2.00 m.daN (22.12 and 14.75 lbf.ft ) T
No specific
Torque wrench: range to between 5.5 and 4.5 m.daN (40.56 and 33.19 lbf.ft ) T
No specific
Torque wrench: range to between 6.6 and 5.5 m.daN (48.67 and 40.56 lbf.ft ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.03HBD9)
Synthetic Ester base Grease-General Purpose Low Temp -
(Material No.06AAA1)
Polysulfide Sealant_General Purpose Brushable -
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.12ACC1)
Corrosion Preventive Compound-Heavy Duty Soft Film -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
310
FUSLG TAIL SECTION AFT OF AFT PRESS BHD
312
AFT FUSLG TAIL SECTION
314
TAIL CONE APU AIR INTAKE AREA
312AR, 314AR, 334AB, 334AT, 344AB, 344AT
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
31
O-RINGS
AIPC 53-56-04-42-040
2
LOCKWASHERS
AIPC 53-56-04-42-160
7
TABWASHERS
AIPC 53-56-04-42-180
12
COTTER PINS
AIPC 53-56-04-42-195
26
COTTER PIN
AIPC 53-56-04-42-280
12
COTTER PINS
AIPC 53-56-84-41-040
31
O-RINGS
AIPC 53-56-84-41-090
2
LOCKWASHERS
AIPC 53-56-84-41-150
7
TABWASHERS
AIPC 53-56-84-41-180
26
COTTER PIN
AIPC 53-56-84-41-280
43
COTTER PIN
AIPC 55-16-37-01-020
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 12-22-53-640-001-A
Lubrication of Trimmable Horizontal Stabilizer Bearings and Attachment Fittings with Grease Mat. No. 04-004 (or Grease Mat. No. 03HBD9)
TASK 12-22-53-640-002-A
Lubrication of Trimmable Horizontal Stabilizer Bearings and Attachment Fittings with Grease Mat. No. 04-037 (or Grease Mat. No. 03GBC1)
TASK 20-28-00-912-802-A
Electrical Bonding - General Maintenance Procedure
TASK 51-75-13-916-002-A
Repair to a layer of Corrosion Preventive Compound
TASK 52-41-23-410-801-A
Closing of Access Door 314AR
TASK 53-53-11-400-002-A
Installation of the Diagonal Support Struts at FR77
TASK 53-55-13-400-001-A
Installation of the Fairings at the THS Fittings.
TASK 53-58-11-400-007-A
Installation of the Fuselage Tail Cone
TASK 55-13-11-400-001-A
Install/Close of the Trimmable Horizontal Stabilizer (THS) Trailing-Edge Access-Panels
TASK 55-15-11-400-001-A
Installation of the Apron 333AT/333AB/343AT/343AB
F Trimmable Horizontal Stabilizer-Fittings
3. Job Set-up
Subtask 53-56-11-860-050-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 in position to tell persons not to move the flight controls.
Subtask 53-56-11-865-052-A
B. 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 53-56-11-914-050-A
A. Preparation for Installation
   (1) Remove the sealant from the links with a SCRAPER - NON METALLIC.
   (2) Clean the links, component interface and the adjacent area with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
   (3) Examine the links, componenents, component interface and adjacent area for good condition.
   (4) Apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the new AIPC 53-56-04-42-040 O-RINGS (31) or AIPC 53-56-84-41-090 O-RINGS (31) and put them in position in the sleeve (18).
   (5) Apply Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the bushes (4), the sleeves (6), the Y-bolt (17), the sleeve (18), the bushes (20), the washers (21) and the bolt (24).
Subtask 53-56-11-420-050-B
B. Installation of the Support Fittings
NOTE: The installation procedures given are for the left Support Fittings. The installation procedures for the right Support Fittings are almost the same.
   (1) Install the bolts (8) in the link (19).
   (2) Put the links (19) and (23) in position.
   (3) Apply the Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) to the surfaces of the spacer (13) and the washers (10).
   (4) Install one of the washers (10) on the bolt (24) and push the bolt (24) through:
  • the link (19), the spacer (13) and the link (23).
   (5) Install the washer (10) and the nut (25). Do not tighten the nut (25).
   (6) Install the upper bearing assembly:
     (a) Install one of the bushes (20) on the sleeve (6).
     (b) Install the sleeve (6) and the bushes (20).
     (c) Install the washer (21) and the retaining ring (3).
   (7) Install the lower floating-bearing assembly:
     (a) Install the bushes (4) in the links (19) and (23).
     (b) Install the sleeve (6).
     (c) Install the retainer ring (3).
   (8) Apply the Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) to the new AIPC 53-56-04-42-180 TABWASHERS (7) or AIPC 53-56-84-41-180 TABWASHERS (7).
   (9) Put the tabwashers (7) in position on the bolts (8).
   (10) Install the washers (11), the nuts (9) and the new AIPC 53-56-04-42-195 COTTER PINS (12) or AIPC 53-56-84-41-040 COTTER PINS (12).
   (11) Install the bolts (5), the cupwashers (22) and the new AIPC 53-56-04-42-160 LOCKWASHERS (2) or AIPC 53-56-84-41-150 LOCKWASHERS (2).
   (12) Install the nuts (1).
   (13) TORQUE the nuts (1) to between 5.5 and 4.5 m.daN (40.56 and 33.19 lbf.ft ) T with the 98AMS172327002 WRENCH-ADAPTER.
   (14) Safety the nuts (1) with the lockwashers (2).
   (15) Safety the bolts (5) and the sleeves (6) with the tabwashers (7).
   (16) TORQUE the nut (25) to between 6.6 and 5.5 m.daN (48.67 and 40.56 lbf.ft ) T.
   (17) Safety the nut (25) with a new AIPC 53-56-04-42-280 COTTER PIN (26) or AIPC 53-56-84-41-280 COTTER PIN (26).
   (18) Install the sleeve (18).
   (19) Remove the 98D27408406000 STRUT-DISTANCE FRAME 77.
   (20) Install the Y-bolt (17).
   (21) Make sure that the Y-bolt (identified with an 'L') is installed on the left side and the Y-bolt (identified with an 'R') is installed on the right side.
   (22) Install the bolt (16) and the bush (15).
   (23) Install the washer (40) and the nut (41) on the bolt (16).
   (24) TORQUE the nut (41) to between 3.00 and 2.00 m.daN (22.12 and 14.75 lbf.ft ) T.
   (25) Install the locking cap (42) with a new AIPC 55-16-37-01-020 COTTER PIN (43).
   (26) Make sure that the distance between the lower side of the bolt head and the bracket is between 3.8 mm (0.1496 in.) and 5.4 mm (0.2126 in.).
F Trimmable Horizontal Stabilizer-Fittings
   (27) Make sure that the minimum distance between the washer (40) and the bracket is 1.7 mm (0.0669 in.).
F Trimmable Horizontal Stabilizer-Fittings
   (28) Put the bonding jumpers (27) in position and install the screws (28), the washers (29) and the nuts (30) (Ref. AMM TASK 20-28-00-912-802).
   (29) Lubricate the bolts (5) and the Y-bolt (17) (Ref. AMM TASK 12-22-53-640-001) or (Ref. AMM TASK 12-22-53-640-002).
   (30) Install the diagonal support struts (Ref. AMM TASK 53-53-11-400-002).
   (31) Apply the Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) to the cadmium plated parts (Ref. AMM TASK 51-75-13-916-002).
5. Close-up
Subtask 53-56-11-410-050-A
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Install the fairings of the THS (Ref. AMM TASK 53-55-13-400-001).
   (3) Install the fuselage tail cone (Ref. AMM TASK 53-58-11-400-007).
   (4) Install the THS aprons (Ref. AMM TASK 55-15-11-400-001).
   (5) Close trailing edge access-panels 334AB, 344AB, 334AT and 344AT (Ref. AMM TASK 55-13-11-400-001).
   (6) Close access door 314AR (Ref. AMM TASK 52-41-23-410-801).
   (7) Close access door 312AR.
   (8) Remove the WARNING NOTICE(S).
   (9) Remove the access platform(s).
   (10) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Subtask 53-56-11-865-051-A
B. 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
[Rev.10 from 2021] 2026.04.01 12:51:12 UTC
"Aviabrain" 2025