S 424-026
(2) Install the display select panel:
(a)
Remove the dust caps from the electrical connector(s).
(b)
Examine the electrical connector(s) for loose, bent, or broken pins.
(c)
Connect the electrical connector(s) to the panel.
(d)
Put the panel carefully into the P10 panel.
(e)
Install the screws into the select panel through the bottom of the P10 panel.
S 864-027
(3) Close these circuit breakers and remove the DO-NOT-CLOSE tags:
(a) P7, Overhead Circuit Breaker Panel
1) 7F9, EIU L
2) 7F10, EIU C
3) 7F15, EIU R
S 864-028
(4)
Supply electrical power (AMM 24-22-00/201).
S 714-029
(5)
Do a test of the EICAS display select panel:
(a)
Push the STAT switch on the panel.
(b)
Make sure the auxiliary EICAS display shows the status page.
(c)
Push the DRS switch.
(d)
Make sure the auxiliary EICAS display shows the door synoptic page.
S 864-030
(6) Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
DISPLAY TRANSFER MODULE - REMOVAL/INSTALLATION
______________________________________________
1. General_______
A. This subject has two tasks. The first task is to remove the display transfer module. The second task is to install the display transfer module. The installation task includes a test of the installation of the module.
B. The captain's display transfer module is on the captain's instrument panel (P1 panel). The first officer's display transfer module is on the first officer's instrument panel (P3 panel).
C. Each module has one connector for its electrical interface.
TASK 31-61-06-024-033
2. Display Transfer Module Removal_______________________________
A. Access
(1) Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
B. Procedure
S 864-020
(1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P7, Overhead Circuit Breaker Panel
1) 7F9, EIU L
2) 7F10, EIU C
3) 7F12, ND L
4) 7F13, PFD L
5) 7F14, LWR EICAS
6) 7F15, EIU R
7) 7F17, ND R
8) 7F18, PFD R
S 024-021
(2) Remove the display transfer module:
(a)
Remove the screws from the front of the module.
(b)
Pull the unit carefully until you can get access to the electrical connector(s) on the rear of the module.
(c)
Disconnect the electrical connector(s) from the module.
(d)
Install dust caps on the electrical connector(s).
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31-61-06
ALL ú ú 05 Page 401 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
TASK 31-61-06-424-034
3. Display Transfer Module Installation____________________________________
A. References
(1)
AMM 24-22-00/201, Manual Control (Apply Power)
(2)
AIPC 31-61-06, Fig. 4
B. Access
(1) Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
C. Procedure
S 864-019
(1) Make sure these circuit breakers are open with DO-NOT-CLOSE tags attached:
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