(b)  
Remove the control knobs.

 S 034-059
 (3)  Remove the lightplate:
 (a)  
Remove the screws that attach the lightplate to the panel.

 (b)  
Remove the lightplate from the panel.

 S 024-060
 (4)  Remove the control:
 (a)  
Remove the nut that attaches the control to the panel.

 CAUTION:_______CAREFULLY REMOVE THE CONTROL FROM THE PANEL ASSEMBLY. THE WIRE BUNDLE CONNECTED TO THE CONTROL COULD BE DAMAGED DURING THE CONTROL REMOVAL.

 (b)  
Pull the control away from the rear side of the panel assembly until it is clear of other components.

 (c)  
Carefully pull the control down until you see it below the panel.

 (d)  
Examine the wire and the control terminal configuration for the connection sequence.

 (e)  
Remove the wires from the control.

 (f)  
Remove the control.

 TASK 33-11-04-424-013
 3.  Lightshield Control Installation (Pilots Panel Lights)______________________________________________________
 A. References
 (1)  
24-22-00/201, Manual Control

 (2)  
IPC 33-11-04 Fig 20

 (3)  
SSM 33-11-01, 33-11-02, 33-13-02

 B. Access
 (1)  Location Zone 221 Flight Compartment - LH Light Control Panel 222 Flight Compartment - RH Light Control Panel
 C. Procedure
 S 424-061
 (1)  Install the control:
 (a)  
Connect the wires to the new control.

 (b)  
Put the replaced control up the rear side of the panel to install the control shaft through the panel opening.

 (c)  
Install the nut that attaches the control to the panel.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 33-11-04
 ALL  ú ú 01 Page 402 ú Feb 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 S 434-062
 (2)  Install the lightplate:
 (a) Set the lightplate in its position on the panel.
 (b) Install the screws that attach the lightplate to the panel.
 S 434-019
 (3)  Install the control knobs:
 (a) Put the knobs on the control shaft.
 (b) Tighten the set screws on the control knobs.
 S 864-020
 (4)  Remove the DO-NOT-CLOSE tags and close these circuit breakers:
 (a) P6 Main Power Distribution Panel
 1) 6E19 FLT DK LIGHTS PANEL CAPT
 2) 6E23 FLT DK LIGHTS PANEL F/O
 3) 6E26 FLT DK LIGHTS FLOOD PILOTS MAIN
 4) 6E27 FLT DK LIGHTS FLOOD GLARE SHIELD
 5) 6F23 FLT DK LIGHTS MAP & UTIL
 6) 6H8 ELEX CLOCK
 7) 6H17 CLOCK DISP
 8) 6L1 FLT DK LIGHT STBY INST
 (b) P7 Circuit Breaker Panel
 1) 7F12 ND L
 2) 7F13 PFD L
 3) 7F17 ND R
 4) 7F18 PFD R
 S 714-063
 (5)  If you replaced the PANEL light control, do a test of the control
 operation:
 (a) Supply electrical power (Ref 24-22-00/201).
 (b) Turn the outer knob of the control full clockwise.
 (c) See that the floodlight intensity changes smoothly.
 (d) Turn the inner knob of the control full clockwise.
 (e) See that the panel light intensity changes smoothly.
 S 714-064
 (6)  If you replaced the MAP light control, do a test of the control
 operation:
 (a) Turn the MAP light control full clockwise.
 (b) See that the map light intensity changes smoothly.
 S 864-028
 (7)  Remove the electrical power if it is not necessary
 (Ref 24-22-00/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 33-11-04
 ALL  ú ú 02 Page 403 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 TASK 33-11-04-004-029
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 燈 LIGHTS(11)