W DOC AIRBUS | AMM A320F

Installation of the Flap Track Fairings Nos. 2, 3 and 4

TASK 57-55-11-400-004-A
Installation of the Flap Track Fairings Nos. 2, 3 and 4

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
WARNING: MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING NOTICES ARE IN POSITION.
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.
ZONE: 531
ZONE: 532
ZONE: 533
ZONE: 631
ZONE: 632
ZONE: 633
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
SPATULA - PLASTIC
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 0.23 and 0.17 m.daN (20.35 and 15.04 lbf.in ) T
No specific
Torque wrench: range to between 0.37 and 0.28 m.daN (32.74 and 24.78 lbf.in ) T
No specific
Torque wrench: range to between 0.45 and 0.35 m.daN (39.82 and 30.97 lbf.in ) T
No specific
Torque wrench: range to between 0.75 and 0.65 m.daN (66.37 and 57.52 lbf.in ) T
No specific
Torque wrench: range to between 1.8 and 1.7 m.daN (13.27 and 12.54 lbf.ft ) T
98D27803500001
1
LOCKING TOOL ZERO POS
 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.06AAB1)
Polysulfide Sealant-General Purpose Fillet -
(Material No.06AEA1)
Polysulfide Sealant-Low Adhesion Brushable -
(Material No.06AEB2)
Polysulfide Sealant-Low Adhesion Fillet Structure
(Material No.06LCG9)
Non Hardening Jointing Putty-Medium Temp. Area - -
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.14DAB1)
Release Agent-- Water Base -
(Material No.14QFB1)
Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
531
FLAP TRACK 2 FAIRING
532
FLAP TRACK 3 FAIRING
533
FLAP TRACK 4 FAIRING
631
FLAP TRACK 2 FAIRING
632
FLAP TRACK 3 FAIRING
633
FLAP TRACK 4 FAIRING
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
18
PACKER(S)
AIPC 57-55-05-20-065
42
COTTER PIN
AIPC 57-55-05-21-010
48
COTTER PIN
AIPC 57-55-05-21-020
26
COTTER PIN
AIPC 57-55-05-21-120
18
PACKER(S)
AIPC 57-55-05-22-065
42
COTTER PIN
AIPC 57-55-05-23-010
48
COTTER PIN
AIPC 57-55-05-23-020
26
COTTER PIN
AIPC 57-55-05-23-100
18
PACKER(S)
AIPC 57-55-05-24-065
42
COTTER PIN
AIPC 57-55-05-25-010
48
COTTER PIN
AIPC 57-55-05-25-020
26
COTTER PIN
AIPC 57-55-05-25-100
42
COTTER PIN
AIPC 57-55-85-02-190
48
COTTER PIN
AIPC 57-55-85-02-200
26
COTTER PIN
AIPC 57-55-85-02-220
48
COTTER PIN
AIPC 57-55-85-04-150
42
COTTER PIN
AIPC 57-55-85-04-160
26
COTTER PIN
AIPC 57-55-85-04-170
48
COTTER PIN
AIPC 57-55-85-06-150
42
COTTER PIN
AIPC 57-55-85-06-160
26
COTTER PIN
AIPC 57-55-85-06-170
18
PACKER(S)
AIPC 57-55-85-14-065
18
PACKERS(S)
AIPC 57-55-85-22-065
18
PACKERS(S)
AIPC 57-55-85-24-065
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 20-28-00-912-802-A
Electrical Bonding - General Maintenance Procedure
TASK 27-50-00-866-009-A
Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01
Retraction of the Flaps/Slats on the Ground
TASK 27-54-00-710-001-A
Operational Test of the Flap System
TASK 57-55-11-000-004-A
Removal of the Flap Track Fairings Nos. 2, 3 and 4
F Flap Track Fairings - Location and Details
F Fairing Installation - Dimensions
3. Job Set-up
Subtask 57-55-11-941-065-A ** ON A/C NOT FOR ALL
A. Safety Precautions
   (1) Make sure that the WARNING NOTICE(S) are in position in the cockpit to tell persons not to operate:
  • The flaps
  • The slats.
   (2) Make sure that the safety barriers are in position.
Subtask 57-55-11-860-055-A ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Make sure that the flaps are in the fully retracted position (Ref. AMM TASK 27-50-00-866-009).
   (2) Make sure that the 98D27803500001 LOCKING TOOL ZERO POS is installed on the flap/slat control-lever.
   (3) Make sure that the top cover (12) and the push-fit covers (47) have been removed from the movable fairing (Ref. AMM TASK 57-55-11-000-004).
Subtask 57-55-11-865-060-A ** ON A/C NOT FOR ALL
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB02
** ON A/C NOT FOR ALL
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
4. Procedure
Subtask 57-55-11-420-077-A ** ON A/C NOT FOR ALL
A. Preparation for Installation
   (1) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the component interface and/or the adjacent area.
   (2) Do an inspection of the component interface and/or the adjacent area.
   (3) Make sure that the parts retained from the removed component are clean and in the correct condition.
Subtask 57-55-11-420-069-B ** ON A/C NOT FOR ALL
WARNING: SUPPORT THE UNIT/ASSEMBLY. THE UNIT/ASSEMBLY IS HEAVY. IF YOU DO NOT SUPPORT IT, IT WILL FALL. THIS CAN CAUSE INJURY TO PERSONS, AND/OR DAMAGE TO EQUIPMENT.
B. Installation of the Flap Track Fairing
NOTE: The weight of the fairing is approximately 18Kg (40lb).
   (1) Lubricate the splines in the adjusters (44) and the splined fittings (45) with Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) .
   (2) Install the adjusters (44) and make sure that they are adjusted fully into their mountings.
   (3) Align the movable fairing at the forward pivot, then the splined fittings (45).
   (4) If necessary, install the link assembly (22) as follows:
     (a) Align the link assembly (22) with the movable fairing.
     (b) Apply a thin layer of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) to the interface of the bolt (32).
NOTE: Make sure that the threads of the bolt (32) stay clean.
     (c) Install the bolt (32), the washers (24), (25) and the nut (27).
     (d) TORQUE the nut (27) to between 0.37 and 0.28 m.daN (32.74 and 24.78 lbf.in ) T.
WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.
     (e) Safety the nut (27) with a new cotter pin (26):
     (f) Install the link assembly (22).
   (5) Lift the movable fairing:
     (a) Align the control rod (43), with the flap lever and temporarily install the bolt (39), the bush (40) and the nut (41).
   (6) Install the bonding disc (5) and the bonding strap (4) with the bolt (7) and the nut (3) onto the fixed fairing (10).
   (7) TORQUE the nut (3) to between 0.45 and 0.35 m.daN (39.82 and 30.97 lbf.in ) T.
   (8) Temporarily install the fixed fairing (10) with the bolts (6), (11) and (17).
   (9) Measure the dimension A, this must be between 7.5 mm (0.30 in.) and 9.5 mm (0.37 in.).
   (10) If the dimension A is not correct, remove the bolts (6), (11) and (17) and the fixed fairing (10), and continue as follows:
     (a) Calculate the quantity of packer(s) (18) to get the dimension A in limits.
     (b) Install the packer(s) (18) on the nut plate assembly:
  • For the track 2 fairing, use the 57550520-065PACKER(S)18 or 57558514-065PACKER(S)18
  • For the track 3 fairing, use the 57550522-065PACKER(S)18 or 57558522-065PACKERS(S)18
  • For the track 4 fairing, use the 57550524-065PACKER(S)18 or 57558524-065PACKERS(S)18.
     (c) Install the fixed fairing (10) with the bolts (6), (11) and (17).
     (d) Measure the dimension A again.
   (11) Align the movable fairing with the fixed fairing (10).
   (12) Measure the dimension 'E', at both sides of the pivot. The dimension must be between zero, +/- 1 mm (0.04 in.).
   (13) If necessary, turn the splined fittings (45) clockwise or counterclockwise, until the dimension 'E' is correct.
   (14) Measure the dimension 'F', which must be between 2 mm (0.079 in.) and 6 mm (0.236 in.).
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.
   (15) Install the bolts (46) and safety them with the 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - to the splined-fittings (45).
   (16) Apply a layer of Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) on the mating surface of the fairing and on the push-fit covers (47).
   (17) Install the push-fit covers (47).
   (18) Install the bonding straps (31), (30) and (21) with:
  • The bolts (23) and (29)
  • The nuts (20) and (28).
   (19) Remove the bolts (6), (11) and (17), then remove the fixed fairing (10) and (if installed) the packer(s) (18).
   (20) Hold the fixed fairing and install the bonding strap (15), with the bolt (16) and the nut (14) (Ref. AMM TASK 20-28-00-912-802).
   (21) Apply a thin layer of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) to:
  • The packer(s) (18)
  • The bolts (6), (11) and (17)
  • The covers (2) and the lower cover (8)
  • The screws (1) and (9).
NOTE: Make sure that the threads of the bolts (6), (11) and (17), and the screws (1) and (9) stay clean.
   (22) If necessary, install the packer(s) (18) on the fixed fairing (10).
   (23) Install the fixed fairing with the bolts (6), (11) and (17).
   (24) TORQUE the bolts (6), (11) and (17) to between 0.75 and 0.65 m.daN (66.37 and 57.52 lbf.in ) T.
   (25) Install the covers (2) with the screws (1).
   (26) TORQUE the screws (1) to between 0.23 and 0.17 m.daN (20.35 and 15.04 lbf.in ) T.
   (27) Install the lower cover (8) with the screws (9).
   (28) TORQUE the screws (9) to between 0.75 and 0.65 m.daN (66.37 and 57.52 lbf.in ) T.
Subtask 57-55-11-420-073-C ** ON A/C NOT FOR ALL
C. Installation of the Side Load Stay
   (1) Temporarily install the bolt (53), the washer (50) and the nut (49).
   (2) Measure and record dimension X and dimension Y.
   (3) Subtract dimension Y from dimension X to calculate the difference. Use the table that follows to calculate the shim thickness (51).
NOTE: All the dimensions (dim.) in the table are in millimeters.
For Flap Track 2
-------------------------------------------------------------------------------
! Column A ! Column B ! Column C !
-------------------------------------------------------------------------------
!If the difference! this is the total ! Add these quantities of shim type !
!between dim. X ! thickness of the ! together to get the thickness !
!and dim. Y is ! shims necessary to ! that is given in column B. !
!as given below, ! get the correct fit. ! 0.3 thick ! 0.4 thick ! 0.5 thick !
-------------------------------------------------------------------------------
! 0.0 to 0.6 ! 0.5 ! - ! - ! 1 !
-------------------------------------------------------------------------------
! 0.61 to 0.7 ! 0.6 ! 2 ! - ! - !
-------------------------------------------------------------------------------
! 0.71 to 0.8 ! 0.7 ! 1 ! 1 ! - !
-------------------------------------------------------------------------------
! 0.81 to 0.9 ! 0.8 ! - ! 2 ! - !
-------------------------------------------------------------------------------
! 0.91 to 1.0 ! 0.9 ! - ! 1 ! 1 !
-------------------------------------------------------------------------------
! 1.01 to 1.1 ! 1.0 ! - ! - ! 2 !
-------------------------------------------------------------------------------
! 1.11 to 1.2 ! 1.1 ! 2 ! - ! 1 !
-------------------------------------------------------------------------------
! 1.21 to 1.3 ! 1.2 ! 1 ! 1 ! 1 !
-------------------------------------------------------------------------------
! 1.31 to 1.4 ! 1.3 ! 1 ! - ! 2 !
-------------------------------------------------------------------------------
! 1.41 to 1.5 ! 1.4 ! - ! 1 ! 2 !
-------------------------------------------------------------------------------
! 1.51 to 1.6 ! 1.5 ! 2 ! 1 ! 1 !
-------------------------------------------------------------------------------
! 1.61 to 1.7 ! 1.6 ! 1 ! 2 ! 1 !
-------------------------------------------------------------------------------

NOTE: All the dimensions (dim.) in the table are in millimeters.
For Flap Tracks 3 and 4
-------------------------------------------------------------------------------
! Column A ! Column B ! Column C !
-------------------------------------------------------------------------------
!If the difference! this is the total ! Add these quantities of shim type !
!between dim. X ! thickness of the ! together to get the thickness !
!and dim. Y is ! shims necessary to ! that is given in column B. !
!as given below, ! get the correct fit. ! 0.3 thick ! 0.4 thick ! 0.5 thick !
-------------------------------------------------------------------------------
! 0.0 to 0.7 ! 0.6 ! 2 ! - ! - !
-------------------------------------------------------------------------------
! 0.71 to 0.8 ! 0.7 ! 1 ! 1 ! - !
-------------------------------------------------------------------------------
! 0.81 to 0.9 ! 0.8 ! - ! 2 ! - !
-------------------------------------------------------------------------------
! 0.91 to 1.0 ! 0.9 ! - ! 1 ! 1 !
-------------------------------------------------------------------------------
! 1.01 to 1.1 ! 1.0 ! - ! - ! 2 !
-------------------------------------------------------------------------------
! 1.11 to 1.2 ! 1.1 ! 2 ! - ! 1 !
-------------------------------------------------------------------------------
! 1.21 to 1.3 ! 1.2 ! 1 ! 1 ! 1 !
-------------------------------------------------------------------------------
! 1.31 to 1.4 ! 1.3 ! 3 ! 1 ! - !
-------------------------------------------------------------------------------
! 1.41 to 1.5 ! 1.4 ! 2 ! 2 ! - !
-------------------------------------------------------------------------------
! 1.51 to 1.6 ! 1.5 ! 1 ! 3 ! - !
-------------------------------------------------------------------------------
! 1.61 to 1.7 ! 1.6 ! - ! 4 ! - !
-------------------------------------------------------------------------------

   (4) Remove the nut (49) and the washer (50). Loosen the bolt (53) sufficiently so that you can install the correct quantity of shims (51).
   (5) Install the shims (51), then fully install the bolt (53), the washer (50) and the nut (49).
   (6) TORQUE the nut (49) to between 1.8 and 1.7 m.daN (13.27 and 12.54 lbf.ft ) T.
   (7) Examine the related positions of the hole in the bolt (53) and the slot in the nut (49).
   (8) TORQUE the nut (49) until the next slot aligns with the hole to 2.8 m.daN (20.65 lbf.ft) maximum.
WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.
   (9) Safety the nut (49) with a new cotter pin (48):
   (10) Move the fairing (up and down) to make sure that the sidestay (52) is free to turn.
   (11) Apply a thin layer of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) on:
  • The interfaces of the bush (40)
  • The bolt (39).
   (12) Make sure that you do not apply sealant on the threads of the bolt (39).
   (13) Align the control rod (43) with the flap drive arm.
   (14) Install the bolt (39), the bush (40) and the nut (41).
   (15) Safety the nut (41) with a new cotter pin (42):
   (16) Measure dimension B. It must be 11 mm (0.4331 in.).
   (17) Temporarily install the top cover (12) with the screws (13).
   (18) Measure dimension G. It must be between 1 mm (0.04 in.) and 3 mm (0.12 in.).
   (19) If dimension G is in the limits, do the steps that follow:
     (a) Remove the top cover (12) with the screws (13).
     (b) Apply a thin layer of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) on the movable fairing interface with the top cover (12).
     (c) Apply a thin layer of Release Agent-- Water Base - (Material No.14DAB1) on the interface of the top cover (12) with the movable fairing.
     (d) Apply a thin layer of Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) on the screws (13).
     (e) Install the top cover (12) with the screws (13).
     (f) Apply a bead of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) in the groove between the top cover (12) and the movable fairing.
     (g) Use Non Aqueous Cleaner-General - - (Material No.08BAA9) and the SPATULA - PLASTIC to make the bead smooth and flush with the fairing.
   (20) If you installed a new movable fairing or dimension(s) G is(are) not correct, do the steps that follow:
     (a) Remove the screws (13) and the top cover (12).
     (b) Remove the nut (38), the bolt (37) and disconnect the lower bonding strip (36) from the rod P-clip.
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.
     (c) If necessary, remove and discard the lockwire from the locknuts (54) on the rod (43).
     (d) Loosen the locknuts (54) sufficiently to turn the rod body.
     (e) Turn the rod body clockwise or counterclockwise to adjust the rod length.
     (f) Temporarily install the top cover (12) with the screws (13).
     (g) Measure dimension G again.
     (h) Remove the screws (13) and the top cover (12).
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.
     (i) Safety the locknuts (54) on the rod assembly to the tab washers (55) with the 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
     (j) Install the bonding strip (34) on the P-clip with the bolt (35) and the nut (33) (Ref. AMM TASK 20-28-00-912-802).
     (k) Install the bonding strip (36) on the P-clip with the bolt (37) and the nut (38) (Ref. AMM TASK 20-28-00-912-802).
     (l) Apply a thin layer of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) on the movable fairing interface with the top cover (12).
     (m) Apply a thin layer of Release Agent-- Water Base - (Material No.14DAB1) on the interface of the top cover (12) with the movable fairing.
     (n) Apply a thin layer of Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) on the screws (13).
     (o) Install the top cover (12) with the screws (13).
     (p) Apply a bead of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) in the groove between the top cover (12) and the movable fairing.
     (q) Use Non Aqueous Cleaner-General - - (Material No.08BAA9) and the SPATULA - PLASTIC to make the bead smooth and flush with the fairing.
Subtask 57-55-11-865-061-A ** ON A/C NOT FOR ALL
D. 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/FLP/CTL AND MONG/SYS16CVB07
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB02
** ON A/C NOT FOR ALL
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 57-55-11-860-062-A ** ON A/C NOT FOR ALL
E. Aircraft Configuration
   (1) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control-lever.
Subtask 57-55-11-710-055-A ** ON A/C NOT FOR ALL
F. Test
   (1) Do an operational test of the flap system (Ref. AMM TASK 27-54-00-710-001). Make sure that the movable fairing operates correctly.
5. Close-up
Subtask 57-55-11-942-057-A ** ON A/C NOT FOR ALL
A. Removal of Equipment
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the access platform(s).
   (3) Remove the WARNING NOTICE(S).
   (4) Remove the safety barriers.
   (5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.01 02:17:47 UTC
"Aviabrain" 2025