Description and Operation 1 ALL General 1 Receptacle - Fueling 1 Valve - Defueling Check 1 Valve - Manual Defueling 1 Operation 1
Component Location 101 ALL Component Index Component Location
Maintenance Practices 201 ALL Lateral Fuel Imbalance 234 Pressure Defueling 202 Tank to Tank Fuel Transfer 213
VALVE - DEFUELING CHECK 28-26-02 Removal/Installation 401 ALL VALVE - MANUAL DEFUELING 28-26-01 Removal/Installation 401 ALL
DUMP 28-30-00
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28-CONTENTS
GUN Page 12 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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_______ Page____ Effectivity___________
FUEL JETTISON SYSTEM 28-31-00
Description and Operation General 1 1 ALL
Card - Control, Fuel Jettison Detector - Fault Current, Override/Jettison Pump Manifold - Fuel Jettison 871
Nozzle - Fuel Jettison 1
Pump - Override/Jettison Relay - Fuel Override/Jettison Pump Switch, Fuel Jettison Nozzle Valve 575
Switch, Override/Jettison Pump Valve - Fuel Jettison Nozzle 61
Valve - Fuel Jettison Transfer 7
Operation Component Location Component Index Component Location 8101 ALL
28-CONTENTS
GUN Page 13 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ___________
Adjustment/Test 501 ALL Ground Test - Fuel Jettison 541 Simulation Ground Test - Fuel Jettison 513 Single Point Sensor Card Ground Test - Fuel Jettison 508 Transfer Valve Operational Test - Fuel 501 Jettison Control Card Operational Test - Fuel 515 Jettison Nozzle Valve Test Operational Test - Fuel 551 Jettison Valve Test Operational Test - Jettison 521 Pumps
Operational Test - Jettison 528
Transfer Valves, Fuel
Transfer
ACTUATOR - VALVE, FUEL JETTISON 28-31-05 NOZZLE Removal/Installation 401 ALL ACTUATOR - VALVE, FUEL JETTISON 28-31-04 TRANSFER Removal/Installation 401 ALL ADAPTER - VALVE, FUEL JETTISON 28-31-13 TRANSFER Removal/Installation 401 ALL ASSEMBLY - VALVE, FUEL JETTISON 28-31-03 NOZZLE Removal/Installation 401 ALL BODY - VALVE, FUEL JETTISON 28-31-06 TRANSFER Removal/Installation 401 ALL CARD - CONTROL, FUEL JETTISON 28-31-17
SINGLE POINT SENSOR Removal/Installation 401 ALL Adjustment/Test 501 ALL
28-CONTENTS
GUN Page 14 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 ___________
CARD - FUEL JETTISON CONTROL 28-31-15 Removal/Installation 401 ALL Adjustment/Test 501 ALL
DETECTOR - FAULT CURRENT, FUEL 28-31-14
OVERRIDE/JETTISON PUMP Removal/Installation 401 ALL Adjustment/Test 501 ALL
HOUSING - OVERRIDE/JETTISON PUMP 28-31-07 Removal/Installation 401 ALL SENSOR - SINGLE POINT, FUEL 28-31-16 QUANTITY Removal/Installation 401 ALL UNIT - MOTOR/IMPELLER, FUEL 28-31-01 OVERRIDE/JETTISON PUMP Removal/Installation 401 ALL
Inspection - Insulation 417 Resistance Check -Ovrd/Jett Pumps
VALVE - CHECK, FUEL 28-31-11
OVERRIDE/JETTISON PUMP
DISCHARGE
Removal/Installation 401 ALL VALVE - CHECK, FUEL 28-31-12 OVERRIDE/JETTISON PUMP INLET Removal/Installation 401 ALL
INDICATING 28-40-00
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28-CONTENTS
GUN Page 15 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
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