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

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

 (4)  
AIPC 73-21-07 Fig. 11

 (5)  
WDM 71-51-11, WDM 71-51-14, WDM 71-51-15, WDM 71-51-18, WDM 71-51-23, WDM 73-21-15, WDM 73-21-25, WDM 73-21-35, WDM 73-21-45, WDM 77-12-21, WDM 77-12-22, WDM 77-12-23, WDM 77-12-24

 (6)  
SSM 73-21-01, SSM 77-12-02

 C.  
Access

 (1)  
Location Zone
 412 Engine 1 - HPC Case 10-7 o'clock
 422 Engine 2 - HPC Case 10-7 o'clock
 432 Engine 3 - HPC Case 10-7 o'clock
 442 Engine 4 - HPC Case 10-7 o'clock

 (2)  
Access Panels
 415 Left Thrust Reverser Half - Engine 1
 425 Left Thrust Reverser Half - Engine 2
 435 Left Thrust Reverser Half - Engine 3
 445 Left Thrust Reverser Half - Engine 4

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 73-21-07
 ALL  ú ú N01A Page 402 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
W5
HANESS 
W3 
HARNESS 
SEE  A 
SEE  C 
SEE  F 
SEE  I 
SEE  L 
SEE  N 

L-B2021 (0000)
EEC Wiring Harness W3 Installation Figure 401 (Sheet 1)
E44573
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE B
A 
W3 HARNESS  CLAMP  W5 HARNESS 
NUT 
BOLT  BOLT (2 LOCATIONS) 
W3 HARNESS CLAMP  CLAMP 
BOLT 
W5 HARNESS CLAMP  CLAMP  BOLT  W3 HARNESS 
B 
Figure 401 (Sheet 2) EEC Wiring Harness W3 Installation LA9294 (0000) 

E44575
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
SEE  D  C  SEE  E  CLAMP BOLT
W3 HARNESS 
AND BRACKET THERMOCOUPLE PROBE 2.9 BLEED VALVE  D 
(2 LOCATIONS) BOLT 
CLAMP  CLAMP  (SMALLER) NUT 
W3 HARNESS  NUT  (LARGER) NUT 
BRACKET VALVE HPC AIR 

E
LA9295 (0000)
EEC Wiring Harness W3 Installation Figure 401 (Sheet 3)
E44577
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////

LOWER OIL COOLER BRACKET
W3 HARNESS

CLAMP
CLAMP
NUT
UPPER OIL COOLER BRACKET W5 HARNESS

CLAMP
W5 HARNESS

LA9296 (0000)
EEC Wiring Harness W3 Installation Figure 401 (Sheet 4)
 E44579
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 ALL  ú ú N01A Page 406 ú Oct 10/94
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