Installation of the EFB Display Unit (DU) Mounting Bracket

TASK 46-26-22-400-002-A
Installation of the EFB Display Unit (DU) Mounting Bracket

ZONE: 211
ZONE: 212
FIN: 40TM1 ** ON A/C NOT FOR ALL
FIN: 40TM2 ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	Torque wrench: range to between .48 and 0.37 m.daN (42.48 and 32.74 lbf.in )

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
211	COCKPIT
212	COCKPIT

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
Illustration of the DU Mounting Bracket

3. Job Set-up
Subtask 46-26-22-861-053-A ** ON A/C NOT FOR ALL

A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002)

4. Procedure
Subtask 46-26-22-420-051-A ** ON A/C NOT FOR ALL

A. Installation of the DU mounting bracket
(1) Put the CAPT(F/O) DU mounting bracket in correct position on its fittings (1).
(2) Install the four rings (5), washers (6), nuts (7), washers (4) and screws (3).
(3) Torque the four screws (4) to between .48 and 0.37 m.daN (42.48 and 32.74 lbf.in )

5. Close-up
Subtask 46-26-22-862-052-A ** ON A/C NOT FOR ALL

A. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002)

Subtask 46-26-22-860-053-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make sure that the work area is clean and clear of tools and other items.

[Rev.10 from 2021] 2026.04.01 12:51:54 UTC