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时间:2011-04-09 10:26来源:蓝天飞行翻译 作者:航空
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 (5)  
SSM 24-32-01, 24-33-01, 24-33-02, 24-33-03

 (6)  
WDM 20-83-00

 B.  
Access

 (1)  
Location Zone 116 Area Between Nose Gear Well and Fuselage, RH 271 Passenger Cabin, LH

 (2)  
Access Panel
 P180 DC Power Distribution Panel
 P183 E33 Equipment Center Panel


 C.  
Procedure


 S 864-001
 (1)  
Remove electrical power from airplane, if not already accomplished (Ref 24-22-00/201).

 S 864-020

 (2)
Disconnect the electrical connectors from the batteries:

 (a)  
Turn the knob on the main battery connector (DM7423A) counterclockwise until the connector is free from the main battery receptacle.


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 24-60-01
 ALL  ú ú 01 Page 401 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

SEE B
SEE A
E-8 RACK (REF)
P183 PANEL
NOTE:  RCCB C10340, C10412 AND C10416 ARE LOCATED BEHIND THE P183 PANEL.
E-33 EQUIPMENT RACK
A
Remote Control Circuit Breaker Installation Figure 401 (Sheet 1)
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 24-60-01
 ALL  ú ú 03 Page 402 ú Oct 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

747-400
MAINTENANCE MANUAL

APU BATTERY BUS/ 
TRU RCCB, C10339 
DC BUS 2 
RCCB, C10149  DC BUS 3 
RCCB, C10150 
DC BUS 1 
RCCB, C10148  DC BUS 4 
RCCB, C10151 

INVERTER POWER/ TRU RCCB, C8844
P180
MAIN BATTERY BUS/ TRU RCCB, C8843
MAIN BATTERY RELAY RCCB, C8842
MAIN BATTERY BUS/ MAIN BATTERY RCCB, C8841
MAIN BATTERY HOT BUS/P6 RCCB, C8839 P180-1
INVERTER POWER/MAIN BATTERY RCCB, C8890
P180 PANEL
BFROM SHT 1
REMOTE CONTROL CIRCUIT BREAKER (EXAMPLE) Remote Control Circuit Breaker Installation Figure 401 (Sheet 2)
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 24-60-01
 ALL  ú ú 03 Page 403 ú Oct 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (b)  Turn the knob on the APU battery connector (DM7432A) counterclockwise until the connector is free from the APU battery receptacle.
 S 014-003
 (3)  
Open applicable panel access door.

 S 034-004

 (4)  
Identify each of the electrical leads connecting to the applicable RCCB to be removed for reinstallation.

 S 034-007

 (5)  
Remove nuts and washers from the two terminal studs connecting power leads to RCCB.

 S 034-006

 (6)  
Disconnect the power leads from the RCCB terminal stud.

 S 034-005

 (7)  
Remove each of the control wires connecting to the RCCB.


 NOTE: Reference WDM 20-83-00 for disassembly instructions of
____
 the control wiring terminations.

 S 034-009
 (8)  
Remove the two screws that secure the RCCB to the panel.

 S 024-008

 (9)  
Remove the remote control circuit breaker from the panel.


 TASK 24-60-01-404-010
 3. Install Remote Control Circuit Breaker (Fig. 401)
______________________________________
 A. References
 (1)  
24-22-00/201, Manual Control

 (2)  
24-60-00/501, DC Electrical Load Distribution

 (3)  
IPC 24-50-01


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