Installation of the MCD Rail System
TASK 25-26-43-400-012-A
Installation of the MCD Rail System
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information
3. Job Set-up
Subtask 25-26-43-860-056-A ** ON A/C NOT FOR ALL
Subtask 25-26-43-420-059-F ** ON A/C NOT FOR ALL
Subtask 25-26-43-410-064-B ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:32:46 UTC
Installation of the MCD Rail System
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. 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 25-26-43-400-004-A | Installation of the Center Class Divider |
Subtask 25-26-43-860-056-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) Clean the component interfaces and the adjacent area.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Make sure that the parts retained from the removed component are clean and in the correct condition.
4. Procedure(1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(2) Clean the component interfaces and the adjacent area.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Make sure that the parts retained from the removed component are clean and in the correct condition.
Subtask 25-26-43-420-059-F ** ON A/C NOT FOR ALL
A. Installation of the Rail System
(1) Make sure that the door (3) of the overhead stowage compartment is open.
(2) Put the rail (1) in position and install the washers (4) and the screws (5). Do not tighten the screws (5).
(3) Align the rail system, if necessary install a maximum of two shim plates (2).
(4) Tighten the screws (5).
Subtask 25-26-43-420-063-A ** ON A/C NOT FOR ALL (1) Make sure that the door (3) of the overhead stowage compartment is open.
(2) Put the rail (1) in position and install the washers (4) and the screws (5). Do not tighten the screws (5).
(3) Align the rail system, if necessary install a maximum of two shim plates (2).
(4) Tighten the screws (5).
B. Install the Single Beam Movable Class Divider Rail System.
(1) Put the rail(s) (6) in position as recorded in the removal procedure and install the screws (8) and the washers (9).
(2) Put the bracket(s) (3) with the electrical connector(s) (4) and the wires (5) in position and install the screws (2).
(3) Install the cover(s) (1).
(4) Close the overhead stowage compartment door(s) (7).
5. Close-up(1) Put the rail(s) (6) in position as recorded in the removal procedure and install the screws (8) and the washers (9).
(2) Put the bracket(s) (3) with the electrical connector(s) (4) and the wires (5) in position and install the screws (2).
(3) Install the cover(s) (1).
(4) Close the overhead stowage compartment door(s) (7).
Subtask 25-26-43-410-064-B ** ON A/C NOT FOR ALL
A. Close Access
(1) If necessary, install the center class divider (Ref. AMM TASK 25-26-43-400-004).
Subtask 25-26-43-862-055-A ** ON A/C NOT FOR ALL (1) If necessary, install the center class divider (Ref. AMM TASK 25-26-43-400-004).
MCD-Center Rail