CHAPTER 73 - ENGINE FUEL AND CONTROL
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
ENGINE FUEL AND CONTROL 73-00-00
_______________________ Description and Operation 1 ALL General 1
Component Location 101 ALL
Component Index
Component Location
Inspection/Check 601 ALL
Cleaning/Painting 701 ALL
DISTRIBUTION 73-10-00
____________ FUEL DISTRIBUTION SYSTEM 73-11-00
Description and Operation 1 ALL General 1 Injector and Supports - Fuel 6 Pump - Fuel 1 Valve - Fuel Bypass 1 Valve - Fuel Distribution 1 Operation 6
Inspection/Check 601 ALL
ELEMENT - FUEL FILTER 73-11-02 Removal/Installation 401 ALL Inspection/Check 601 ALL
INJECTOR AND SUPPORT - FUEL 73-11-05 Removal/Installation 401 ALL PUMP - FUEL 73-11-01 Removal/Installation 401 ALL STRAINER - FUEL DISTRIBUTION 73-11-04
VALVE Removal/Installation 401 ALL Inspection/Check 601 ALL Cleaning/Painting 701 ALL
TUBE - INLET FUEL PUMP 73-11-59 Removal/Installation 401 ALL TUBES - FUEL 73-11-06 Removal/Installation 401 ALL
73-CONTENTS
NGUN Page 1 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
CHAPTER 73 - ENGINE FUEL AND CONTROL
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
VALVE - FUEL BYPASS 73-11-07 Removal/Installation 401 ALL VALVE - FUEL DISTRIBUTION 73-11-03 Removal/Installation 401 ALL
CONTROLLING 73-20-00
___________ FUEL CONTROL SYSTEM 73-21-00
Description and Operation 1 ALL General 1 Alternator - EEC (N2 18
Transducer)
Control - Electronic Engine 1
(EEC)
Harness - EEC Wiring 20
Plug - EEC Programming 19
Plug - SCU Programming 21
Probe - EEC Fuel Temperature 19
Thermocouple
Probe - EEC Inlet Total 18
Pressure/Temperature
(PT2/TT2)
Probe - EEC Oil Temperature 19
Thermocouple
Probe - EEC Thermocouple (TT3) 20
Transducer - EEC Speed (N1) 18
Unit - Fuel Metering (FMU) 16
Unit - Supplemental Control 20
(SCU)
Operation 22 Maintenance Practices 201 ALL ALTERNATOR - EEC (N2 TRANSDUCER) 73-21-05
Removal/Installation 401 ALL CARD - EEC/TMC DISCRETES 73-21-12 Removal/Installation 401 ALL CONTROL - ELECTRONIC ENGINE 73-21-04
(EEC) Removal/Installation 401 ALL Inspection/Check 601 ALL
73-CONTENTS
NGUN Page 2 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
CHAPTER 73 - ENGINE FUEL AND CONTROL
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
HARNESSES - EEC WIRING 73-21-07 Removal/Installation 401 ALL Inspection/Check 601 ALL
PLUG - EEC PROGRAMMING 73-21-08 Removal/Installation 401 ALL PLUG - SCU PROGRAMMING 73-21-16 Removal/Installation 401 ALL PROBE - EEC FUEL TEMPERATURE 73-21-09 THEMOCOUPLE Removal/Installation 401 ALL PROBE - EEC INLET TOTAL 73-21-03 PRESSURE/TEMPERATURE (PT2/TT2) Removal/Installation 401 ALL PROBE - EEC OIL TEMPERATURE 73-21-10 THERMOCOUPLE Removal/Installation 401 ALL PROBE - EEC THERMOCOUPLE (TT3) 73-21-14 Removal/Installation 401 ALL TRANSDUCER - EEC SPEED, (N1) 73-21-06 Removal/Installation 401 ALL UNIT - FUEL METERING 73-21-01 Removal/Installation 401 ALL UNIT - SUPPLEMENTAL CONTROL 73-21-15
(SCU) Maintenance Practices 201 ALL Removal/Installation 401 ALL
INDICATING 73-30-00
__________ FUEL FLOW INDICATING SYSTEM 73-31-00
Description and Operation 1 ALL General 1 Indication - Fuel Flow 1 Transmitter - Fuel Flow 1 Operation 1
TRANSMITTER - FUEL FLOW 73-31-01 Removal/Installation 401 ALL
73-CONTENTS
NGUN Page 3 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
CHAPTER 73 - ENGINE FUEL AND CONTROL
TABLE OF CONTENTS
_________________
Chapter Section
Subject_______ Subject ____ Effectivity_______ Page ___________
FUEL FILTER BYPASS WARNING SYSTEM 73-34-00
Description and Operation 1 ALL General 1 Indication - Fuel Filter 1
Bypass Warning
Switch - Fuel Filter 1
Differential Pressure
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