EffectivityALL
ALL
28-CONTENTS
GUN Page 8 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
CHAPTER 28 - FUEL
TABLE OF CONTENTS
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Chapter Section Subject_______ Subject ____ Effectivity
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Adjustment/Test 501 ALL Operational Test - Crossfeed 523 Valves (Fuel Transfer) Operational Test - Engine Fuel 517 Shutoff (Spar) Valves Operational Test - Fuel 501 Crossfeed Valves Operational Test - Fuel-Feed 506 Pumps Operational Test - Spar Valves 537 (Fuel Transfer) Inspection/Check 601 ALL
Inspection - Insulation 601
Resistance Check - Fuel-Feed
Pumps
ACTUATOR - VALVE, ENGINE FUEL 28-22-01 SHUTOFF (SPAR VALVE) Removal/Installation 401 ALL ACTUATOR - VALVE, FUEL CROSSFEED 28-22-02 Removal/Installation 401 ALL ADAPTER - VALVE, ENGINE FUEL 28-22-09 SHUTOFF (SPAR VALVE) Removal/Installation 401 ALL ADAPTER - VALVE, FUEL CROSSFEED 28-22-11 Removal/Installation 401 ALL BODY - VALVE, ENGINE FUEL 28-22-05 SHUTOFF (SPAR VALVE) Removal/Installation 401 ALL BODY - VALVE, FUEL CROSSFEED 28-22-10 Removal/Installation 401 ALL
CARD - FUEL SYSTEM MANAGEMENT 28-22-13 Removal/Installation 401 ALL Adjustment/Test 501 ALL
CARD - VALVE POSITION LOGIC 28-22-14 Removal/Installation 401 ALL Adjustment/Test 501 ALL
CARD FILE - FUEL SYSTEM 28-22-16 Removal/Installation 401 ALL
28-CONTENTS
GUN Page 9 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
CHAPTER 28 - FUEL
TABLE OF CONTENTS
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Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
CARDS - MAIN AND SLAVE, FUEL 28-22-15 SYSTEM EICAS INTERFACE Removal/Installation 401 ALL CONDUIT - MAIN TANK BOOST PUMP 28-22-06 Removal/Installation 401 ALL HOUSING, MAIN TANK BOOST PUMP 28-22-12 Removal/Installation 401 ALL LINE - FUEL, ENGINE FUEL FEED 28-22-07
SYSTEM Removal/Installation 401 ALL Inspection/Check 601 ALL Approved Repairs 801 ALL
MODULE - FUEL MANAGEMENT 28-22-17 CONTROL, M154 Removal/Installation 401 ALL PUMP - EJECTOR, WATER SCAVENGE 28-22-08 Removal/Installation 401 ALL UNIT - MOTOR/IMPELLER, MAIN TANK 28-22-03 BOOST PUMP Removal/Installation 401 ALL
Inspection - Insulation 411 Resistance Check -Fuel-Feed Pumps
VALVE - CHECK, MAIN TANK BOOST 28-22-19 PUMP DISCHARGE Removal/Installation 401 ALL VALVE - CHECK, MAIN TANK BOOST 28-22-18 REMOVAL Removal/Installation 401 ALL VALVE - LIMITING, FUEL FLOW 28-22-04 Removal/Installation 401 ALL WIRING - MAIN TANK BOOST PUMP 28-22-06 Inspection/Check 601 ALL
28-CONTENTS
GUN Page 10 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
CHAPTER 28 - FUEL
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
APU FUEL FEED SYSTEM 28-25-00
Description and Operation 1 ALL General 1 Arrester - Flame, APU Fuel 5
Shroud Drain
Drain - Shroud, APU Fuel 1
Supply Line
Line - Supply, APU Fuel 1
Pump - APU Fuel Boost 5
Relay - Control, APU Fuel 6
Boost Pump
Switch - Pressure, APU DC Fuel 6
Boost Pump Control
Valve - APU Fuel Shutoff 6
Valve - Drain, APU Fuel Line 5
Shroud
Operation 7
Component Location 101 ALL Component Index Component Location
Maintenance Practices 201 ALL Adjustment/Test 501 ALL Inspection/Check 601 ALL
Check Shroud Drain 601 Fuel Leak Check of the APU 604 Fuel-Feed Line ACTUATOR - VALVE, APU FUEL 28-25-02 SHUTOFF Removal/Installation 401 ALL BODY - VALVE, APU FUEL SHUTOFF 28-25-10 Removal/Installation 401 ALL LINE AND SHROUD - APU FUEL 28-25-04
SUPPLY Maintenance Practices 201 ALL Removal/Installation 401 ALL
POPPET - PRIMARY, APU FUEL LINE 28-25-07 SHROUD DRAIN VALVE Removal/Installation 401 ALL
28-CONTENTS
GUN Page 11 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
CHAPTER 28 - FUEL
TABLE OF CONTENTS
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