(3)  
When you put all the levers in the armed (AUTOMATIC/ARM) position, the switch supplies a ground to the MAWEA. The MAWEA sends a signal to EICAS to show a memo message DOORS MANUAL.

 (4)  
When you put all levers in the armed (AUTOMATIC/ARM) position, the switch supplies a ground to the MAWEA. The MAWEA sends a signal to EICAS to show a memo message DOORS AUTO.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 52-73-00
 ALL  ú ú 01 Page 1 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

Passenger Doors Auto/Manual Position Indicating System
Figure 1 (Sheet 1)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 52-73-00
 ALL  ú ú 01 Page 2 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

MODE SELECTOR
LEVER SWITCH ACTUATOR
DISARM POSITION INDICATING SWITCH
DISARM POSITION (MANUAL/DISARM) (AIRPLANES WITHOUT A CURVED BRACKET AT DOORS) A-A
MODE SELECTOR LEVER
SWITCH 
ACTUATOR  DISARM POSITION 
INDICATING SWITCH 

SWITCH ACTUATOR
ARM POSITION INDICATING SWITCH
DISARM POSITION (MANUAL/DISARM)
DISARM POSITION INDICATING SWITCH
SWITCH ACTUATOR
ARM
POSITION
INDICATING
SWITCH

MODE SELECTOR
LEVER

ARM POSITION (AUTOMATIC/ARM)
(AIRPLANES WITHOUT A CURVED BRACKET AT DOORS) A-A
DISARM POSITION INDICATING SWITCH
WIRE
MODE SELECTOR LEVER

SWITCH ACTUATOR
WIRE
SWITCH ACTUATOR ARM POSITION INDICATING SWITCH
ARM POSITION (AUTOMATIC/ARM)
(AIRPLANES WITH A CURVED (AIRPLANES WITH A CURVED BRACKET AT DOOR 5) BRACKET AT DOOR 5) A-A A-A Passenger Doors Auto/Manual Position Indicating System Figure 1 (Sheet 2)
G87449
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 52-73-00
 ALL  ú ú 01 Page 3 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

747-400 
MAINTENANCE MANUAL 
DOOR 
SEE  B 
DOOR LINING 
PANEL 
ARM/DISARM 
LEVER 

UPPER DECK DOOR (TYPICAL) 
B  AUTO MODE SWITCH 
MANUAL POSITION INDICATING SWITCH 
B

DOOR
B

Passenger Doors Auto/Manual Position Indicating System
Figure 1 (Sheet 3)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 52-73-00
 ALL  ú ú 01 Page 4 ú Apr 10/89
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

ARM/DISARM LEVER
ARM/DISARM LEVER
AUTO MODE 
SWITCH  AUTO MODE 
SWITCH 
SLIDE 
DEPLOYMENT 
HOOK 
ARM/DISARM  ARM/DISARM 
PUSHROD  PUSHROD 

CRANK
ACTUATOR
MANUAL POSITION
INDICATING SWITCH

DISARM POSITION ARM POSITION
(MANUAL/DISARM) (AUTOMATIC/ARM)
B-B B-B
Passenger Doors Auto/Manual Position Indicating System
Figure 1 (Sheet 4)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 52-73-00
 ALL  ú ú 01 Page 5 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

747-400
MAINTENANCE MANUAL

AUTO MANUAL MANUAL
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 艙門 DOORS 4(96)