73-21-07
 ALL  ú ú N01A Page 422 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
SEEF
BOLT
E
W4 HARNESS
NUT CLAMP
WASHER
W5 HARNESS W4 HARNESS
BOLT  CLAMP  NUT 
CLAMP  WASHER  BOLT  NUT CLAMP 
W5 HARNESS  BOLT  CLAMP  W5 HARNESS  BOLT BOLT  W4 HARNESS  W5 HARNESS 
F 
Figure 402 (Sheet 4) EEC Wiring Harness W4 Installation  LA9302 (0000) 

E44597
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-07
 ALL  ú ú N01A Page 423 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////

CLAMP

LA9304 (0000)
EEC Wiring Harness W4 Installation Figure 402 (Sheet 5)
E44599
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-07
 ALL  ú ú N01A Page 424 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
SEE  J 
BOLT 
AA29 TUBE 

SEE SEE K L  CLAMP  J W4,W5 HARNESS  NUT 
I 
NUT  AA29 TUBE  NUT  FWD AA36 TUBE 
W4 HARNESS CLAMP  W4 HARNESS  BOLT 
BOLT  FWD  L 
K  Figure 402 (Sheet 6) EEC Wiring Harness W4 Installation  LA9306 (0000) 

E44601
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-07
 ALL  ú ú N01A Page 425 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////

W4 HARNESS

LA9307 (0000)
ECC Wiring Harness W4 InstallationFigure 402 (Sheet 7)
E44603
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-07
 ALL  ú ú N01A Page 426 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
SEE S  W4,W5 HARNESS
SEE Q
CLAMP
SEE R
CLAMP SEE P
CLAMP
O BOLT BOLT W4 HARNESS
BOLT
W5 HARNESS
P
NUT
NUT
W4,W5 HARNESS
CLAMP
W4,W5 HARNESS
W4,W5 HARNESS
NUT
BOLT
BOLT Q
R S
LA9305 (0000)
EEC Wiring Harness W4 Installation
Figure 402 (Sheet 8)

 E44605
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-07
 ALL  ú ú N01A Page 427 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
B. References
 (1)  
AMM 71-11-04/201, Fan Cowl Panels

 (2)  
AMM 71-11-06/201, Core Cowl Panels

 (3)  
AMM 78-31-00/201, Thrust Reverser System

 (4)  
AIPC 73-21-07 Fig. 12

 (5)  
WDM 71-51-12, WDM 71-51-13, WDM 71-51-14, WDM 71-51-23,
 WDM 76-11-11, WDM 76-11-21, WDM 76-11-31, WDM 76-11-41,
 WDM 77-12-11, WDM 77-12-12, WDM 77-12-13, WDM 77-12-14

 (6)  
SSM 76-11-01, SSM 76-11-02, SSM 76-11-03, SSM 76-11-04

 C.
Access

 (1)  
Location Zones
 412 Engine 1 - HPC Case 1-5 o'clock
　
中國航空網(wǎng) 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 發(fā)動機燃油和控制 2(45)