73-21-05
 ALL  ú ú N01 Page 403 ú Jun 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
OIL TANK  SPRING CLIPS  COOLING AIR TUBE FOR THE EEC ALTERNATOR 
SEE  A  ALTERNATOR STATOR T1519 EEC 
BRACKET 
SEE  C  STATOR CABLES  SEE  B 
A  1  3 
SPRING CLIPS  CABLES STATOR  EEC ALTERNATOR STATOR, T1519 

SEE  B 
SEE  C  FWD 
1 2 3  Figure 402 (Sheet 1) EEC Alternator (N2 Transducer) Stator Installation AENGINES POST-PW-SB 72-375 ENGINES PRE-PW-SB 72-375 21IDG AND HEAT SHIELD NOT SHOWN FOR CLARITY 

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-05
 ALL  ú ú N01 Page 404 ú Jun 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
12.  HEAT SHIELD  13.  HOSE CLAMP  15.  PACKING  EEC ALTERNATOR DRIVE PAD (REF) 
14.  AIR TUBE COOLING  ROTOR ALTERNATOR EEC 

11.  BOLT 
(3 LOCATIONS)  EEC ALTERNATOR 
GEARSHAFT 
FWD  19.  WASHER 
17.  STATOR, T1519 EEC ALTERNATOR  16.  CLAMP  BRACKET  OIL SEAL DRAIN 
17.  STATOR CABLE  FOR THE EEC 
BOLT18.  (2 LOCATIONS)  ALTERNATOR DRIVE (REF) 
B  2 

EEC ALTERNATOR DRIVE PAD (REF) EEC ALTERNATOR ROTOR 15. PACKING  17. STATOR CABLE  17. EEC ALTERNATOR STATOR T1519 
19. WASHER 
11. BOLT (3 PLACES) 
OIL SEAL DRAIN FOR THE EEC ALTERNATOR DRIVE (REF)  GEARSHAFT EEC ALTERNATOR  FWD  13. HOSE CLAMP 14. COOLING AIR TUBE (2 PLACES) 
B  3 

EEC Alternator (N2 Transducer) Stator Installation
Figure 402 (Sheet 2)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-05
 ALL  ú ú N01 Page 405 ú Oct 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
23. UPPER 
ELECTRICAL 
CONNECTOR 
22. LOWER 
ELECTRICAL  17. STATOR CABLE 
CONNECTOR  ENDS 
BRACKET 
21. RETAINING PLATE  18. BOLT (OPPOSITE)  FWD 
20. BOLT 
C 

EEC Alternator (N2 Transducer) Stator Installation
Figure 402 (Sheet 3)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-05
 ALL  ú ú N01 Page 406 ú Oct 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C80775
S 864-002-N00
 WARNING: MAKE SURE THE APPLICABLE CIRCUIT BREAKERS ARE OPEN BEFORE YOU
_______ DO THE WORK ON THE IGNITION SYSTEM. THE VOLTAGE IN THE IGNITION SYSTEM IS VERY HIGH. DO NOT DO THE WORK ON THE IGNITION SYSTEM FOR A MINIMUM OF THREE MINUTES BETWEEN THE OPERATION OF THE IGNITION SYSTEM AND WHEN YOU DISCONNECT THE CABLE. WHEN YOU DISCONNECT THE CABLE FROM THE IGNITER PLUG, GROUND THE CABLE TERMINAL TO REMOVE THE CURRENT TO MAKE SURE THE ENERGY IS FULLY REMOVED FROM THE IGNITION SYSTEM. IF YOU DO NOT REMOVE THE ENERGY FROM THE CABLE, THE ENERGY CAN CAUSE INJURY TO YOU.
 (1)  For the applicable engine, open these circuit breakers on the main power distribution panel, P6, and attach the DO-NOT-CLOSE tags:
 (a)  6K19 IGN 2 ENG 1
 (b)  6K20 IGN 2 ENG 2
 (c)  6K21 IGN 2 ENG 3
　
中國(guó)航空網(wǎng) www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機(jī)維護(hù)手冊(cè) 發(fā)動(dòng)機(jī)燃油和控制 2(23)