Installation of the Captain (First Officer) Seat Shroud Assy

TASK 25-11-62-400-001-A
Installation of the Captain (First Officer) Seat Shroud Assy

ZONE: 211
ZONE: 212
FIN: 3MS
FIN: 4MS

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
211	COCKPIT
212	COCKPIT

B. Referenced Information

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
Captain (First Officer) Seat Shroud Assy

3. Job Set-up
Subtask 25-11-62-860-050-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).

4. Procedure
Subtask 25-11-62-420-050-A

A. Installation of the Captain (First Officer) Seat Shroud Assy

NOTE: The Captain and First Officer seats are symmetrical. The removal/installation procedures of the shroud assy of the Captain and First Officer seats are the same.

(1) Put the main front shroud (2) in position on the seat (1) and install the four screws (14) and the washers (15) on the main front shroud (2).
(2) Tighten the screws (14).
(3) Put the front metal sheet (3) in position on the main front shroud (2) and install the six screws (5) and the washers (4) on the front metal sheet (3).
(4) Install the front cross beam (13), the two screws (11) and the washers (12).
(5) Tighten the screws (5) and (11).
(6) Put the control lever support (10) in position on the front metal sheet (3) and install the two screws (6) and the washers (7).
(7) Tighten the screws (6).
(8) Put the control lever (8) in position on the control lever support (10) and install and tighten the two screws (9).
(9) Put the two stops (27) in position and install the lower back shroud (20) of the backrest on the seat (1).
(10) Install the two screws (28), the washers (29) and the nuts (26).
(11) Install the four screws (22), the washers (21) and the nuts (16).
(12) Tighten the screws (22) and (28).
(13) Put the upper back shroud (23) of the backrest in position on the seat (1).
(14) Install the fourteen screws (18) and tighten them.
(15) Push the lumbar rest control-knobs (19) and install the retainer rings (17).
(16) Install the knob (25) on the control lever (8) and install the screw (24).
(17) Tighten the screw (24).

5. Close-up
Subtask 25-11-62-410-050-A

A. Install the Captain (First Officer) seat cushion (Ref. AMM TASK 25-11-61-400-001).

Subtask 25-11-62-862-050-A

B. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.03.31 23:28:10 UTC