Installation of the Lateral Movable Class Divider (MCD)

TASK 25-26-43-400-003-A
Installation of the Lateral Movable Class Divider (MCD)

ZONE: 200

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

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

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 25-26-41-000-013-A	Removal of the Curtains
TASK 25-26-41-400-013-A	Installation of the Curtains
Left and Right Class Divider ** ON A/C NOT FOR ALL
Left and Right Class Divider ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-26-43-860-052-A ** ON A/C NOT FOR ALL

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 curtain is removed from the lateral class divider (Ref. AMM TASK 25-26-41-000-013).
(3) Clean the component interfaces and the adjacent area.
(4) Do an inspection of the component interfaces and the adjacent area.
(5) Make sure that the parts retained from the removed component are clean and in the correct condition.

4. Procedure
Subtask 25-26-43-420-052-B ** ON A/C NOT FOR ALL

A. Install the Lateral Class Divider.

Left and Right Class Divider ** ON A/C NOT FOR ALL

NOTE: The procedure for the left and right lateral divider is the same.

(1) Remove the cover (5) from the attachment panel (2).
(2) Put the class divider (1) in position.
(3) Make sure that the guide pins (7) engage correctly and the indicator (9) appears green.
(4) Push the class divider (1) up until the self-lock mechanism locks in position.

Subtask 25-26-43-420-052-C ** ON A/C NOT FOR ALL

A. Installation of the Lateral Class Divider

Left and Right Class Divider ** ON A/C NOT FOR ALL

(1) If removed, loosely install the screws (6), the brackets (5) and the blocks (4) on the frame (3).
(2) Put the frame (3) in position and engage the brackets (5) on the passenger service channel.
(3) Tighten the screws (6).
(4) Make sure that the release handle (2) is in the unlocked position.
(5) Put the class divider (1) in position near the frame (3).
(6) Close the handle (2) to lock the class divider (1).

5. Close-up
Subtask 25-26-43-410-063-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Install the curtain on the lateral class divider (Ref. AMM TASK 25-26-41-400-013).

Subtask 25-26-43-862-050-A ** ON A/C NOT FOR ALL

B. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.03.31 23:32:42 UTC