NORM
EEC MAINTENANCE MODULE, M7319
A
EEC PANEL ASSY, M7330
B
ENG 4 EEC/TMC
DISCRETES CARD
YMLA008
ENG 2 EEC/TMC
DISCRETES CARD
YMLA004
ENG 1 EEC/TMC DISCRETES CARD YMLA002
ENG 3 EEC/TMC
DISCRETES CARD
YMLA006
EEC/TMC DISCRETES CARDS
C
Engine Fuel and Control -Component Location (Details from Sheet 1)
Figure 102 (Sheet 2)
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A / PW4000 SERIES /
747-400 / ENGINES /FAULT ISOLATION/MAINT MANUAL ////////////////////////
EEC THERMOCOUPLE RIGHT THRUST REVERSER HALF
PROBE (TT3) 416 (ENGINE 1)
SEE D 426 (ENGINE 2) 436 (ENGINE 3) EEC THERMOCOUPLE PROBE (TT3)
446 (ENGINE 4) DIFFUSER AND
COMBUSTOR CASE
RIGHT FAN COWL PANEL
414 (ENGINE 1)
424 (ENGINE 2)
434 (ENGINE 3)
444 (ENGINE 4)
EEC SPEED
(N1), M3104 TRANSDUCER SEE E ELECTRONIC
ENGINE CONTROL
SEE F (EEC), M7198
EEC
PROGRAMMING
PLUG
FWD D EEC THERMOCOUPLE PROBE (TT3)
(REF) FAN CASE INTERMEDIATE (REF) CASE
(SCU), M6848 CONTROL UNIT SUPPLEMENTAL
FWD
PROGRAMMING PLUG SCU TRANSDUCER (N1), M3104 EEC SPEED
E F EEC SPEED TRANSDUCER (N1), M3104
Engine Fuel and Control - Component Location
Figure 102 (Sheet 3)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////
A / PW4000 SERIES /
747-400 / ENGINES /FAULT ISOLATION/MAINT MANUAL ////////////////////////
RIGHT THRUST REVERSER HALF 416 (ENGINE 1) 426 (ENGINE 2) 436 (ENGINE 3) 446 (ENGINE 4)
FUEL DISTRIBUTION VALVE FUEL FLOW
SEE H TRANSMITTER, M7192
SEE G
LEFT THRUST REVERSER HALF 415 (ENGINE 1) 425 (ENGINE 2) 435 (ENGINE 3) FUEL INJECTOR
445 (ENGINE 4) AND SUPPORT (24 LOCATIONS)
MAIN GEARBOX (REF) ISEE JSEE VALVE SHT 5 FUEL PUMP FUEL BYPASS SHT 5 JSEE FWD FUEL METERING SHT 5 UNIT, M3108
G
FWD
FUEL DISTRIBUTION VALVE STRAINER
FUEL
DISTRIBUTION
VALVE
H
Engine Fuel and Control - Component Location Figure 102 (Sheet 4)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
73-00-00
ALL ú ú N02 Page 111 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////
FUEL FILTER DIFFERENTIAL PRESSURE SWITCH, S1585
SEE K
PUMP FUEL
M3108 FUEL METERING UNIT
KSEE EEC FUEL TEMPERATURE THERMOCOUPLE PROBE FUEL FILTER ELEMENT FUEL PUMP (REF)
FWD
I FROM SHT 4
THERMOCOUPLE PROBE EEC FUEL TEMPERATURE FWD FUEL BYPASS VALVE
J FROM SHT 4
FUEL FILTER DIFFERENTIAL PRESSURE SWITCH, S1585
FUEL FILTER HOUSING (REF)
FWD
K
Engine Fuel and Control - Component Location Figure 102 (Sheet 5)
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