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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 (b)  P7 Overhead Circuit Breaker Panel 1) 7A1 MAWEA PWR A 2) 7A3 AURAL WARN L 3) 7A4 AURAL WARN R 4) 7A19 INTERPHONE ALTN 5) 7A20 INTERPHONE CAPT 6) 7A21 INTERPHONE F/O 7) 7B1 MAWEA PWR B 8) 7F12 ND L 9) 7F13 PFD L 10) 7F17 ND R 11) 7F18 PFD R
 S 864-023
 (2)  Supply electrical power (AMM 24-22-00/201).
 S 714-024
 (3)  Make sure the two PANEL switches operate the glare shield floodlights and the pilots' panel lights (AMM 33-11-00/501).
 S 714-025
 (4)  Make sure the MAP switch operates the pilots' map lights (AMM 33-15-00/501).
 S 714-026
 (5)  Make sure the CLOCK switch operates the pilots' clock lights (AMM 31-25-00/501).
 S 714-027
 (6)  Make sure the OUTBD-CRT and INBD-CRT switches operate the pilots' integrated displays (AMM 31-61-00/501).
 S 864-030
 (7)  Remove the electrical power if it is not necessary (AMM 24-22-00/201).

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 25-13-01
 ALL  ú ú 04 Page 406 ú Oct 10/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 PILOTS' SUNVISORS - REMOVAL/INSTALLATION
________________________________________
 1.  General_______
 A.  This procedure has these tasks:
 (1)  
The removal of the sunvisors.

 (2)  
The installation of the sunvisors.

 B.  Each sunvisor is on a curved-track above the pilot's windshield and side windows. Each sunvisor is held to the curved-track with two slider-brackets and a sunvisor-holder.
 TASK 25-13-03-004-001
 2.  Remove the Pilots' Sunvisors (Fig. 401)____________________________
 A.  Access
 (1)  Location Zones
 221 Control Cabin, Left
 222 Control Cabin, Right

 B.  Procedure
 S 864-005
 (1)
Pull down on the sunvisor to remove it from the sunvisor-holder.

 S 034-006

 (2)  
Remove the screws which attach the sunvisor's curved-track to the ceiling panel.

 S 024-007

 (3)  
Remove the curved-track.

 S 034-008

 (4)  
Remove the two screws which attach the sunvisor-holder to the sunvisor's slider-brackets.

 (5)  
Remove the sunvisor-holder from the slider-brackets.

 S 024-010

 (6)  
Remove the screws from the slider-brackets to remove it from the curved-track.

 S 024-009
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 25-13-03
 ALL  ú ú 01 Page 401 ú Jun 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

PILOTS' SUNVISOR TRACK
SEE A
BSEE TRACK PILOTS' SUNVISOR  SUNSHADE CRASH PAD UPPER SILL ROLLER (REF) (REF) LINING CEILING 
POST (REF) NO. 3 WINDOW 
NO. 1 WINDOW POST (REF)  POST (REF) NO. 2 WINDOW 
FIRST OFFICER'S SIDE SHOWN. CAPTAIN'S SIDE OPPOSITE. ____NOTE: 
A 
(REF) CRASH PAD UPPER SILL 
TRACK SUNVISOR  TRACK SUNVISOR 
SUNVISOR 
CSEE SLIDER BRACKET SUNVISOR  (REF) CRASH PAD UPPER SILL  ASSEMBLY SUNVISOR 
INBD  FWD  SCREW MOUNTING TRACK  (2 PLACES) SCREW RETAINING BRACKET  BRACKET (2 PLACES) SUNVISOR SLIDER 
B  HOLDER  C 

Pilots' Sunvisor Installation
Figure 401

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 25-13-03
 ALL  ú ú 01 Page 402 ú Oct 10/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 TASK 25-13-03-404-003
 3. Install the Pilots' Sunvisors (Fig. 401)
　
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