747-400 AMM 飞机维护手册 灯 LIGHTS(50)

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A 747-400 MAINTENANCE MANUAL
 (3)  S 714-017In the lavatory, set the call switch to the on position. (a) Make sure the lamp in the reset switch above the door comes on correctly.
 (4)  S 864-020Set the reset switch to the off position. (a) Make sure the lamp in the reset switch goes off correctly.
 (5)  S 864-022Remove electrical power if it is not necessary (AMM 24-22-00/201).

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 33-26-06
 ALL  ú ú 04 Page 404 ú Oct 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 LAVATORY INFORMATION SIGNS - REMOVAL/INSTALLATION
_________________________________________________
 1.  General_______
 A. This procedure has these tasks:
 (1)  
LOCK DOOR Sign - Removal

 (2)  
LOCK DOOR Sign - Installation

 (3)  
RETURN TO SEAT Sign - Removal

 (4)  
RETURN TO SEAT Sign - Installation

 TASK 33-26-07-004-001
 2.  LOCK DOOR Sign - Removal (Fig. 401)________________________
 A. References
 (1)  SSM 33-26-01 thru 33-26-02
 B. Access
 (1)  Location Zone
 200 Upper Half of Fuselage

 C. Sign Removal
 S 864-038
 (1)  Remove electrical power from the sign:
 (a)  Open each applicable circuit breaker and attach the DO-NOT-CLOSE tag: 1) On the DC power distribution panel, P180.
 S 014-003
 (2)  
Open the dispenser door.

 S 034-004

 (3)  
Remove the sign fasteners.

 (4)  
Disconnect the wires from the sign assembly terminals.

 (5)  
Remove the sign assembly.

 S 034-005
 S 024-006
 TASK 33-26-07-404-007
 3.  LOCK DOOR Sign - Installation_____________________________
 A. References
 (1)  AMM 24-22-00/201, Manual Control
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 ALL  ú ú 01 Page 401 ú Feb 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
SEE A
SEE B
LAVATORY (TYPICAL)

LIGHT ASSEMBLY LIGHT ASSEMBLY LOCK DOOR SIGN RETURN TO SEAT SIGN
A B
Lavatory Information Signs Installation Figure 401 (Sheet 1)
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 33-26-07
 ALL  ú ú 01 Page 402 ú Jun 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

FLT DECK DOOR
NO SMOKING
LKD  w 
UNLKD  w 

SEATBELTS
AUTO
AUTO
OFF
ON

PASS SIGNS

C
Lavatory Information Signs Installation
Figure 401 (Sheet 2)

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 33-26-07
 ALL  ú
 ú  01  Page 403
 ú  Jun 10/91 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (2) SSM 33-26-01 thru 33-26-02
 B. Access
 (1)  Location Zone
 200 Upper Half of Fuselage

 C. Sign Installation
 S 434-008
 (1)
Connect the electrical wires to the replacement sign assembly.

 S 424-009

 (2)
Put the sign assembly in its position.

 S 434-010

 (3)
Install the fasteners in the sign assembly.

 S 414-011

 (4)
Close the dispenser door.
　
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