BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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A / PW4000 SERIES /
747-400 / ENGINES /FAULT ISOLATION/MAINT MANUAL ////////////////////////
COMPONENT  SHT 102 FIG.  QTY  ACCESS/AREA  REFERENCE 
RELAY - (REF 31-01-36, FIG. 101)
EEC RESET-CH B, ENG 1, R7352 
EEC RESET-CH B, ENG 2, R7354 
EEC RESET-CH B, ENG 3, R7356 
EEC RESET-CH B, ENG 4, R7358 
ENG START 1, ENG 1, R7537 
ENG START 1, ENG 2, R7539
 ENG START 2, ENG 1, R7538
 ENG START 2, ENG 2, R7540 
FUEL/IGN CONT ENG 1, R7307 
FUEL/IGN CONT ENG 2, R7308 
GROUND SAFETY, ENG 1, R7332 
GROUND SAFETY, ENG 2, R777 
GROUND SAFETY, ENG 3, R226
GROUND SAFETY, ENG 4, R627 
RELAY - (REF 31-01-39, FIG. 101) 
ENG START 1, ENG 3, R7541
 ENG START 1, ENG 4, R7543
 ENG START 2, ENG 3, R7542 
ENG START 2, ENG 4, R7544 
FUEL/IGN CONT ENG 3, R7309 
FUEL/IGN CONT ENG 4, R7310 
STARTER, ENG 1  -- 1  HALVES, MAIN GEARBOX, AFT FACE415,416, THRUST REVERSER  80-11-03
STARTER, ENG 2  -- 1  HALVES, MAIN GEARBOX, AFT FACE 425,426, THRUST REVERSER 80-11-03 
STARTER, ENG 3  -- 1  435,436, THRUST REVERSER HALVES, MAIN GEARBOX, AFT FACE 80-11-03 
STARTER, ENG 4  -- 1  445,446, THRUST REVERSER HALVES, MAIN GEARBOX, AFT FACE  80-11-03 
SWITCH - ENGINE AUTOSTART 1, ENG 1  -- 1  M7330 FLT COMPT, P5, EEC PANEL ASSY, * 
SWITCH - ENGINE AUTOSTART 2, ENG 2 -- 1  M7330 FLT COMPT, P5, EEC PANEL ASSY,  * 
SWITCH - ENGINE AUTOSTART 3, ENG 3  -- 1  M7330 FLT COMPT, P5, EEC PANEL ASSY, * 
SWITCH - ENGINE AUTOSTART 4, ENG 4  -- 1  M7330 FLT COMPT, P5, EEC PANEL ASSY, * 
UNIT - (REF 31-61-00, FIG. 101) 
C EFIS/EICAS INTERFACE, M7352
 L EFIS/EICAS INTERFACE, M7353
 R EFIS/EICAS INTERFACE, M7351 
UNIT - (REF 73-00-00, FIG. 101)
SUPPLEMENTAL CONTROL (SCU), M6848
VALVE - START, ENG 1, V351  -- 1  415,416, THRUST REVERSER HALVES, DIFFUSER/COMBUSTOR CASE  80-11-02 
VALVE - START, ENG 2, V351  -- 1  HALVES, DIFFUSER/COMBUSTOR CASE425,426, THRUST REVERSER  80-11-02 
VALVE - START, ENG 3, V351  -- 1  HALVES, DIFFUSER/COMBUSTOR CASE435,436, THRUST REVERSER  80-11-02 
VALVE - START, ENG 4, V351  -- 1  HALVES, DIFFUSER/COMBUSTOR CASE445,446, THRUST REVERSER  80-11-02 

* SEE WDM EQUIPMENT LIST
Engine Starting System - Component Index Figure 101 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
 80-11-00
 ALL  ú
 ú  N02  Page 102
 ú  Oct 10/89 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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A / PW4000 SERIES /
747-400 / ENGINES /FAULT ISOLATION/MAINT MANUAL ////////////////////////
P5 PANEL
EEC PANEL

ASSEMBLY,
ENGINE AUTOSTART
M7330
OFF

SEE A
ON
12 3
4 ELEC ENG CONTROL
NORM NORM NORM NORM
w w w w
ALTN ALTN ALTN ALTN
a a a a
P6 PANEL
FLIGHT COMPARTMENT EEC PANEL ASSEMBLY, M7330
RIGHT THRUST
REVERSER HALF A
416 (ENGINE 1),
426 (ENGINE 2),
436 (ENGINE 3),
446 (ENGINE 4)

LEFT THRUST REVERSER HALF 415 (ENGINE 1), STARTER 425 (ENGINE 2),
SEE B
435 (ENGINE 3), 445 (ENGINE 4)
START VALVE, STARTER
V351  QAD ADAPTER
SEE C
STARTER
STARTER
FWD START
B
VALVE
FILTER

FWD
START VALVE, V351
C
Engine Starting System - Component Location Figure 102
C81031
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
 80-11-00
 ALL  ú ú N07 Page 103 ú Oct 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
ENGINE STARTING SYSTEM - ADJUSTMENT/TEST
________________________________________
 1.  General
　
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