Installation of the Captain (First Officer) Seat Pan and Base Accessories
TASK 25-11-69-400-001-A
Installation of the Captain (First Officer) Seat Pan and Base Accessories
Self explanatory
2. Job Set-up Information
A. Consumable Materials
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 25-11-69-860-050-A
Subtask 25-11-69-420-050-A
Subtask 25-11-69-410-050-A
[Rev.10 from 2021]
2026.03.31 23:28:29 UTC
Installation of the Captain (First Officer) Seat Pan and Base Accessories
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.05BAE1) | Threadlocking Adhesive-- Medium strength - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 211 | COCKPIT |
| 212 | COCKPIT |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 20-28-00-912-802-A | Electrical Bonding - General Maintenance Procedure |
| 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 25-11-00-710-001-A | Operational Test of the Captain and First Officer Seats |
| 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 |
Subtask 25-11-69-860-050-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 cushion is removed (Ref. AMM TASK 25-11-61-000-001).
Subtask 25-11-69-865-051-A (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 cushion is removed (Ref. AMM TASK 25-11-61-000-001).
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| FOR FIN: 3MS (SEATCAPTAIN) | |||
| 122VU | COCKPIT SEATS/SEAT CTL/CAPT | 1MS1 | U11 |
| 122VU | LIGHTING/FLOOD/CAPT/SIDE | 5LE | Z05 |
| FOR FIN: 4MS (SEATF/O) | |||
| 122VU | COCKPIT SEATS/SEAT CTL/F/O | 1MS2 | U14 |
| 122VU | LIGHTING/FLOOD/F/O/SIDE | 4LE | Z06 |
Subtask 25-11-69-420-050-A
A. Installation of the Captain (First Officer) Seat Pan and Base Accessories
(1) Connect the switch lugs to the switches (16).
(3) Install the washers (20), (21) and the nuts (22) and tighten them.
(4) Install the electrical control switches (24) and the screws (23) and tighten them.
(5) Install the switch cover (30) on the seat pan (27) and on the plate (19).
(6) Install the screws (31), the washers (32) and tighten them.
(7) Install the bonding lead (11), the screw (10), the washer (12) and the nut (13).
(8) Safety the nut (13) with Threadlocking Adhesive-- Medium strength - (Material No.05BAE1) and tighten the screw (10).
(10) Safety the nut (18) with Threadlocking Adhesive-- Medium strength - (Material No.05BAE1) and tighten the screw (28).
(12) Install the wiring cover (9), the screws (7), the washers (8) and the nuts (14) and tighten them.
(13) Install the "H", "V" and "R" control levers (25) and the socket head screws (26) and tighten them.
(14) Push the dust covers (1) down to install them on the base assy (2).
5. Close-up(1) Connect the switch lugs to the switches (16).
NOTE: Refer to the marks when you connect the switch lugs.
(2) Install the plate (19) on the switches (16). (3) Install the washers (20), (21) and the nuts (22) and tighten them.
(4) Install the electrical control switches (24) and the screws (23) and tighten them.
(5) Install the switch cover (30) on the seat pan (27) and on the plate (19).
(6) Install the screws (31), the washers (32) and tighten them.
(7) Install the bonding lead (11), the screw (10), the washer (12) and the nut (13).
(8) Safety the nut (13) with Threadlocking Adhesive-- Medium strength - (Material No.05BAE1) and tighten the screw (10).
NOTE: Make sure that you do the electrical bonding when you install the bonding lead (Ref. AMM TASK 20-28-00-912-802).
(9) Install the bonding lead (29), the screw (28), the washer (17) and the nut (18). (10) Safety the nut (18) with Threadlocking Adhesive-- Medium strength - (Material No.05BAE1) and tighten the screw (28).
NOTE: Make sure that you do the electrical bonding when you install the bonding lead (Ref. AMM TASK 20-28-00-912-802).
(11) Install the wiring cover (3), the screws (4), (6), the washers (5) and the nuts (15) and tighten them. (12) Install the wiring cover (9), the screws (7), the washers (8) and the nuts (14) and tighten them.
(13) Install the "H", "V" and "R" control levers (25) and the socket head screws (26) and tighten them.
(14) Push the dust covers (1) down to install them on the base assy (2).
Subtask 25-11-69-410-050-A
A. Installation of Seat Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the Captain (First Officer) seat cushion (Ref. AMM TASK 25-11-61-400-001).
Subtask 25-11-69-865-052-A (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the Captain (First Officer) seat cushion (Ref. AMM TASK 25-11-61-400-001).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 25-11-69-710-051-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| FOR FIN: 3MS (SEATCAPTAIN) | |||
| 122VU | COCKPIT SEATS/SEAT CTL/CAPT | 1MS1 | U11 |
| 122VU | LIGHTING/FLOOD/CAPT/SIDE | 5LE | Z05 |
| FOR FIN: 4MS (SEATF/O) | |||
| 122VU | COCKPIT SEATS/SEAT CTL/F/O | 1MS2 | U14 |
| 122VU | LIGHTING/FLOOD/F/O/SIDE | 4LE | Z06 |
C. Operational Test
(1) Do the operational test of the Captain and First Officer seats (Ref. AMM TASK 25-11-00-710-001).
Subtask 25-11-69-710-052-A (1) Do the operational test of the Captain and First Officer seats (Ref. AMM TASK 25-11-00-710-001).
D. Operational Test of the Lights of the Captain and First Officer seats
Subtask 25-11-69-862-050-A | ACTION | RESULT |
|---|---|
| 1.On panel 301VU (500VU): | |
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Captain (First Officer) Seat Pan and Base Accessories