DOC AIRBUS | AMM A320FInstallation of the Captain (First Officer) Seat Armrest Assy
TASK 25-11-65-400-001-A
Installation of the Captain (First Officer) Seat Armrest Assy
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Consumable Materials
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 25-11-65-860-050-A
Subtask 25-11-65-420-050-A
Subtask 25-11-65-410-050-A
[Rev.10 from 2021]
2026.03.31 23:28:17 UTC
Installation of the Captain (First Officer) Seat Armrest Assy
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.05BAA1) | Threadlocking Adhesive-- Low strength - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 211 | COCKPIT |
| 212 | COCKPIT |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 24-42-00-862-001-A | De-energize the Ground Service Network Supplied from the External Power |
| TASK 25-11-61-000-001-A | Removal of the Captain (First Officer) Seat Cushion |
| TASK 25-11-61-400-001-A | Installation of the Captain (First Officer) Seat Cushion |
| TASK 25-11-62-000-001-A | Removal of the Captain (First Officer) Seat Shroud Assy |
| TASK 25-11-62-400-001-A | Installation of the Captain (First Officer) Seat Shroud Assy |
Captain (First Officer) Seat Armrest AssySubtask 25-11-65-860-050-A
A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(2) Make sure that the Captain (First Officer) seat backrest cushion is removed (Ref. AMM TASK 25-11-61-000-001).
(3) Make sure that the lower back shroud and the upper back shroud are removed (Ref. AMM TASK 25-11-62-000-001).
4. Procedure(1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(2) Make sure that the Captain (First Officer) seat backrest cushion is removed (Ref. AMM TASK 25-11-61-000-001).
(3) Make sure that the lower back shroud and the upper back shroud are removed (Ref. AMM TASK 25-11-62-000-001).
Subtask 25-11-65-420-050-A
A. Installation of the Captain (First Officer) Seat Armrest Assy
(1) Clean the component interfaces and the adjacent area.
(2) Install the equipped lever (9) on the armrest structure (10).
(3) Install the spacer (14) and the screw (15) on the bellcrank (13) of the armrest structure (10).
(4) Tighten and safety the screw (15) with Threadlocking Adhesive-- Low strength - (Material No.05BAA1) .
(5) Engage the lower shroud (11) on the button of the equipped lever (9).
(6) Engage the rear part of the lower shroud (11) on the armrest structure (10).
(7) Engage the armrest (3) on the armrest fitting (4) and install the ball (5) and the retainer (6).
(8) Install the screw (7), the washer (1) and the nut (2).
(9) Tighten the screw (7).
(a) Push the button of the equipped lever (9) to unlock the armrest (3).
(b) Make sure that the button of the equipped lever has a travel of 7 mm (0.27 in.) to unlock the armrest (3).
(c) If necessary, adjust this travel to 7 mm (0.27 in.) with the setscrew (12).
(11) Do the steps that follow to adjust the armrest (3) on the seat:
(a) Move the seat to the lowest position.
(b) Push the button of the equipped lever (9) to unlock the armrest (3).
(c) Move the armrest (3) to the lowest position.
(d) Make sure that the clearance between the armrest (3) and the floor is between 405 and 427 mm (15.95 and 16.81 in.).
(e) If necessary, adjust this clearance to between 405 and 427 mm (15.95 and 16.81 in.) with the two nuts (16) and tighten them.
(f) Push the button of the equipped lever (9) to unlock the armrest (3).
(g) Move the armrest (3) to the highest position.
(h) Make sure that the clearance between the armrest (3) and the floor is between 570 and 590 mm (22.44 and 23.23 in.).
(i) If necessary, adjust this clearance to between 570 and 590 mm (22.44 and 23.23 in.) with the two nuts (17) and tighten them.
(12) Engage the armcap (8) on the armrest (3) then push it vertically to lock.
5. Close-up(1) Clean the component interfaces and the adjacent area.
(2) Install the equipped lever (9) on the armrest structure (10).
(3) Install the spacer (14) and the screw (15) on the bellcrank (13) of the armrest structure (10).
(4) Tighten and safety the screw (15) with Threadlocking Adhesive-- Low strength - (Material No.05BAA1) .
(5) Engage the lower shroud (11) on the button of the equipped lever (9).
(6) Engage the rear part of the lower shroud (11) on the armrest structure (10).
(7) Engage the armrest (3) on the armrest fitting (4) and install the ball (5) and the retainer (6).
(8) Install the screw (7), the washer (1) and the nut (2).
(9) Tighten the screw (7).
NOTE: Adjust the force of the screw (7) on the ball (5) to hold the armrest back when it moves down.
(10) Do the steps that follow to adjust the armrest locking device: (a) Push the button of the equipped lever (9) to unlock the armrest (3).
(b) Make sure that the button of the equipped lever has a travel of 7 mm (0.27 in.) to unlock the armrest (3).
(c) If necessary, adjust this travel to 7 mm (0.27 in.) with the setscrew (12).
(11) Do the steps that follow to adjust the armrest (3) on the seat:
(a) Move the seat to the lowest position.
(b) Push the button of the equipped lever (9) to unlock the armrest (3).
(c) Move the armrest (3) to the lowest position.
(d) Make sure that the clearance between the armrest (3) and the floor is between 405 and 427 mm (15.95 and 16.81 in.).
(e) If necessary, adjust this clearance to between 405 and 427 mm (15.95 and 16.81 in.) with the two nuts (16) and tighten them.
(f) Push the button of the equipped lever (9) to unlock the armrest (3).
(g) Move the armrest (3) to the highest position.
(h) Make sure that the clearance between the armrest (3) and the floor is between 570 and 590 mm (22.44 and 23.23 in.).
(i) If necessary, adjust this clearance to between 570 and 590 mm (22.44 and 23.23 in.) with the two nuts (17) and tighten them.
(12) Engage the armcap (8) on the armrest (3) then push it vertically to lock.
Subtask 25-11-65-410-050-A
A. Installation of the Seat Equipment
(2) Install the Captain (First Officer) seat backrest cushion (Ref. AMM TASK 25-11-61-400-001).
Subtask 25-11-65-862-050-A NOTE: Velcro tapes attach the seat cushion to the seat.
NOTE: The seat cushion includes the covers and the foam.
(1) Install the lower back shroud and the upper back shroud on the seat (Ref. AMM TASK 25-11-62-400-001). (2) Install the Captain (First Officer) seat backrest cushion (Ref. AMM TASK 25-11-61-400-001).