Removal of the MCD Rail System

TASK 25-26-43-000-012-A
Removal of the MCD Rail System

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Consumable Materials

REFERENCE	DESIGNATION
(Material No.05RDA1)	Adhesive Film Tape-Masking - -

B. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 25-26-43-000-004-A	Removal of the Center Class Divider
MCD-Center Rail ** ON A/C NOT FOR ALL
Single Beam MCD Rail System (ADDER) ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-26-43-861-058-A ** ON A/C NOT FOR ALL

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

Subtask 25-26-43-010-068-A ** ON A/C NOT FOR ALL

B. Get Access
(1) If installed, remove the center class divider (Ref. AMM TASK 25-26-43-000-004).

4. Procedure
Subtask 25-26-43-020-061-F ** ON A/C NOT FOR ALL

A. Removal of the Rail System

MCD-Center Rail ** ON A/C NOT FOR ALL

(1) Open the door (3) of the overhead stowage compartment.
(2) Hold the rail (1) in position and remove the screws (5) and the washers (4).
(3) Carefully remove the rail (1) and the shim plates (2).

Subtask 25-26-43-020-065-A ** ON A/C NOT FOR ALL

B. Remove the Single Beam Movable Class Divider Rail System.

Single Beam MCD Rail System (ADDER) ** ON A/C NOT FOR ALL

(1) Open the cover(s) (1).
(2) Remove the screws (2).
(3) Remove the bracket(s) (3) with the electrical connector(s) (4) and the wires (5) out of the rail(s) (6) and attach them with masking tape Adhesive Film Tape-Masking - - (Material No.05RDA1) to the structure.
(4) Open the overhead stowage compartment door(s) (7).
(5) Record the position of the rail(s) (6) for the installation procedure.
(6) Remove the screws (8), the washers (9) and the rail(s) (6).

[Rev.10 from 2021] 2026.04.01 06:09:47 UTC