Installation of the EFB Display Unit (DU)
TASK 46-26-22-400-001-A
Installation of the EFB Display Unit (DU)
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 46-26-22-861-051-A ** ON A/C NOT FOR ALL Subtask 46-26-22-865-051-A ** ON A/C NOT FOR ALL
Subtask 46-26-22-420-050-A ** ON A/C NOT FOR ALL
Subtask 46-26-22-862-050-A ** ON A/C NOT FOR ALL Subtask 46-26-22-860-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 01:22:47 UTC
Installation of the EFB Display Unit (DU)
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 0.395 and 0.282 m.daN (34.96 and 24.96 lbf.in ) ![]() |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 211 | COCKPIT |
| 212 | COCKPIT |
| 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) |
| TASK 25-13-42-400-001-A | Installation of the Sliding Window Roller-Blind |
Subtask 46-26-22-861-051-A ** ON A/C NOT FOR ALL Subtask 46-26-22-865-051-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| 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 |
Subtask 46-26-22-420-050-A ** ON A/C NOT FOR ALL
A. Installation of the CAPT(F/O) EFB DU
(1) Install the sliding window roller-blind (Ref. AMM TASK 25-13-42-400-001).
(2) Put the lining panel (5) in position.
(3) Install the three screws (3) and washers (4) and tighten them.
(4) Connect the two connectors (8) and (9) to the connectors (13).
(5) Put the CAPT(F/O) EFB DU (6) in position.
(6) Install the four screws (7) and torque them to between 0.395 and 0.282 m.daN (34.96 and 24.96 lbf.in )
.
(7) Put the lining panel (10) in position.
(8) Install the seven screws (12) and washers (11) and tighten them.
(9) Put the paper-clip (2) in position.
(10) Install the three screws (1) and tighten them.
Subtask 46-26-22-865-052-A ** ON A/C NOT FOR ALL (1) Install the sliding window roller-blind (Ref. AMM TASK 25-13-42-400-001).
(2) Put the lining panel (5) in position.
(3) Install the three screws (3) and washers (4) and tighten them.
(4) Connect the two connectors (8) and (9) to the connectors (13).
(5) Put the CAPT(F/O) EFB DU (6) in position.
(6) Install the four screws (7) and torque them to between 0.395 and 0.282 m.daN (34.96 and 24.96 lbf.in )
. (7) Put the lining panel (10) in position.
(8) Install the seven screws (12) and washers (11) and tighten them.
(9) Put the paper-clip (2) in position.
(10) Install the three screws (1) and tighten them.
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
5. Close-up| 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 |
Subtask 46-26-22-862-050-A ** ON A/C NOT FOR ALL Subtask 46-26-22-860-051-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.
(1) Make sure that the work area is clean and clear of tools and other items.
Illustration of the EFB Display Unit (DU)