Removal of the CAPT/F/O Seat

TASK 25-11-51-000-001-A
Removal of the CAPT/F/O Seat

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

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	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	Torque wrench: range to between 0.9 and 0.8 m.daN (79.65 and 70.80 lbf.in )

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
211	COCKPIT
212	COCKPIT
811

C. Referenced Information

REFERENCE	DESIGNATION
CAPT Seat
F/O Seat

3. Job Set-up
Subtask 25-11-51-865-053-A

A. Open, safety and tag this(these) circuit breaker(s):

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 25-11-51-010-050-A

B. Get access to the avionics compartment.
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below access door 811 of the avionics compartment.
(2) Open access door 811.

4. Procedure
Subtask 25-11-51-020-051-B

A. Removal of the Seat
(1) In the avionics compartment, disconnect the electrical connector (5).
(2) Put the CAP - BLANKING on the electrical connectors (5) and (6).
(3) Make sure the seat is in the stowed position before you remove the bolts (7) and the washers (8).
(4) Remove the bolts (7) and the washers (8).
(5) Remove the armrest (1) from the seat, on the side stick side.

NOTE: This will help you remove the seat from the cockpit.

(6) In the cockpit, remove the bolts (3) and the washers (4) from the seat base (2).
(7) Remove the seat from the seat base.

CAUTION: BEFORE YOU REMOVE THE SEAT FROM THE COCKPIT OR INSTALL IT IN THE COCKPIT, INSTALL THE APPLICABLE PROTECTION ON THE COCKPIT DOOR AND OTHER COCKPIT ITEMS. IF YOU DO NOT OBEY THIS INSTRUCTION, DAMAGE TO THE COCKPIT DOOR AND COCKPIT ITEMS CAN OCCUR.

(8) Move the seat out from the cockpit.
(9) Install the armrest (1) on the seat.
(10) Install the bolts (7) and the washers (8).
(11) TORQUE the bolts (7) to between 0.9 and 0.8 m.daN (79.65 and 70.80 lbf.in )

[Rev.10 from 2021] 2026.03.31 23:28:02 UTC