Removal of the EFB Display Unit (DU)

TASK 46-26-22-000-001-A
Removal of the EFB Display Unit (DU)

ZONE: 211
ZONE: 212
FIN: 40TA1 ** ON A/C NOT FOR ALL
FIN: 40TA2 ** 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	AR	SAFETY CLIP - CIRCUIT BREAKER

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 25-13-42-000-001-A	Removal of the Sliding Window Roller-Blind
Illustration of the EFB Display Unit (DU)

3. Job Set-up
Subtask 46-26-22-861-050-A ** ON A/C NOT FOR ALL

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

Subtask 46-26-22-865-050-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
FOR FIN: 40TA1 (DUEFB)
122VU	EFB/CAPT	41TA1	U08
122VU	LIGHTING/ANN LT SPLY/XFMR/BUS 2	27LP	X05
122VU	LIGHTING/INSTL LT/MAIN INST/PNL AND/PED	4LF	Y04
FOR FIN: 40TA2 (DUEFB)
49VU	EFB/F/O	41TA2	H09
122VU	LIGHTING/TST/BOARD/SPLY	30LP	X06
122VU	LIGHTING/ANN LT SPLY/XFMR/BUS 1	26LP	X04
122VU	LIGHTING/INSTL LT/MAIN INST/PNL AND/PED	4LF	Y04

4. Procedure
Subtask 46-26-22-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the CAPT(F/O) EFB DU
(1) Remove the three screws (1) from the paper-clip (2).
(2) Remove the paper-clip (2).
(3) Remove the seven screws (12) and washers (11) from the lining panel (10).
(4) Remove the lining panel (10).
(5) Remove the four screws (7) from the CAPT(F/O) EFB DU (6).
(6) Remove the CAPT(F/O) EFB DU (6).
(7) Remove the two connectors (8) and (9) from the connectors (13)
(8) Remove the three screws (3) and washers (4) from the lining panel (5).
(9) Remove the lining panel (5).
(10) Remove the sliding window roller-blind (Ref. AMM TASK 25-13-42-000-001).

[Rev.10 from 2021] 2026.04.01 01:22:47 UTC