Removal of the Captain (First Officer) Seat Cylinder Assy

TASK 25-11-68-000-001-A
Removal of the Captain (First Officer) Seat Cylinder 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 25-11-61-000-001-A	Removal of the Captain (First Officer) Seat Cushion
TASK 25-11-62-000-001-A	Removal of the Captain (First Officer) Seat Shroud Assy
Captain (First Officer) Seat Cylinder Assy

3. Job Set-up
Subtask 25-11-68-861-050-A

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 25-11-68-010-050-A

B. Removal of the Seat Equipment
(1) Remove the Captain (First Officer) seat cushion (Ref. AMM TASK 25-11-61-000-001).
(2) Remove the Captain (First Officer) seat shroud assy (Ref. AMM TASK 25-11-62-000-001).

4. Procedure
Subtask 25-11-68-020-050-A

A. Removal of the Captain (First Officer) Seat Cylinder Assy

NOTE: Make marks on all the parts before disassembly to help you and prevent errors during assembly.

(1) Move the backrest (1) to its maximum forward position.
(2) Remove the nut (14), the screw (9), the washers (10) and (13) and the shouldered spacer (12) from the lower bracket (11) and the top end of the cylinder (8).
(3) Hold the cylinder (8) and remove the cotter pin (3), the washer (7), the pin (4) and the spacer (6) from the bottom end of the lock (2) and the cylinder (8).
(4) Remove the cylinder (8) from the seat pan (5).

[Rev.10 from 2021] 2026.03.31 23:28:25 UTC