Vol. 1 13--00--1
REV 56, Jan 31/03
FUEL SYSTEM
Table of Contents
Flight Crew Operating Manual
CSP A--013
MASTER
CHAPTER 13 -- FUEL SYSTEM
Page
TABLE OF CONTENTS 13--00
Table of Contents 13--00--1
INTRODUCTION 13--10
Introduction 13--10--1
FUEL STORAGE 13--20
Fuel Storage 13--20--1
Collector Tanks 13--20--1
Venting 13--20--1
FUEL MANAGEMENT 13--30
Fuel Management 13--30--1
Fuel Transfer 13--30--1
Fuel Crossflow 13--30--1
System Circuit Breakers 13--30--8
FUEL DISTRIBUTION 13--40
Fuel Distribution 13--40--1
System Circuit Breakers 13--40--5
REFUELING AND DEFUELING 13--50
Refueling and Defueling 13--50--1
Control Panel 13--50--4
System Circuit Breakers 13--50--7
FUEL QUANTITY GAUGING 13--60
Fuel Quantity Gauging System 13--60--1
Magnetic Level Indicators 13--60--5
System Circuit Breakers 13--60--8
LIST OF ILLUSTRATIONS
INTRODUCTION
Figure 13--10--1 Fuel System -- General 13--10--2
FUEL STORAGE
Figure 13--20--1 Collector Tank and Vent System -- General 13--20--2
FUEL MANAGEMENT
Figure 13--30--1 Fuel System Schematic -- General 13--30--3
REV 56, Jan 31/03
Vol. 1 13--00--2
FUEL SYSTEM
Table of Contents
Flight Crew Operating Manual MASTER
CSP A--013
Figure 13--30--2 Fuel Control Panel -- General 13--30--4
Figure 13--30--3 Fuel System EICAS Indications 13--30--5
Figure 13--30--4 Fuel System Controls -- Synoptic Page Indications 13--30--6
FUEL DISTRIBUTION
Figure 13--40--1 Standby Fuel Feed System 13--40--2
Figure 13--40--2 Standby Fuel Feed System --
EICAS Messages 13--40--3
Figure 13--40--3 Standby Fuel Feed System -- Fuel
Synoptic Page Indications 13--40--4
REFUELING AND DEFUELING
Figure 13--50--1 Refuel/Defuel System 13--50--2
Figure 13--50--2 Fuel System Computer 13--50--3
Figure 13--50--3 Refuel/Defuel Control Panel 13--50--5
FUEL QUANTITY GAUGING
Figure 13--60--1 Refuel/Defuel -- EICAS Messages 13--60--2
Figure 13--60--2 Refuel/Defuel System -- Fuel Synoptic
Page Indications 13--60--3
Figure 13--60--3 Fuel System -- Menu Page 13--60--4
Figure 13--60--4 Magnetic Level Indicators 13--60--6
Figure 13--60--5 Pitch and Roll Inclinometers 13--60--7
Vol. 1 13--10--1
REV 56, Jan 31/03
FUEL SYSTEM
Introduction
Flight Crew Operating Manual
CSP A--013
MASTER
1. INTRODUCTION
The fuel system consists of three integral tanks within the wing box structure. Ejector pumps
and electrical boost pumps supply fuel to each engine. The fuel system also provides
facilities for pressure refueling/defueling and gravity refueling/defueling. Power and gravity
crossflow systems allow fuel transfer between wing tanks and also provides fuel to the
auxiliary power unit (APU).
A fuel system computer (FSC) automatically controls refueling, powered fuel crossflow and
fuel transfer. The FSC also measures the fuel quantity and temperature for display on the
engine indication and crew alerting system (EICAS).
The EICAS FUEL synoptic page shows a diagram of the fuel distribution system. Operation
of the ejectors, pumps and shutoff valves are graphically displayed. Any fault detected by
the FSC is annunciated in the form of visual and/or aural messages. Faults are also
displayed on the refuel/defuel panel in the form of fault codes.
REV 56, Jan 31/03
Vol. 1 13--10--2
FUEL SYSTEM
Introduction
Flight Crew Operating Manual MASTER
CSP A--013
Fuel System --- General <MST>
Figure 13---10---1
RH MAIN TANK
RH MAIN
FILL CAP
CENTER TANK
FILL CAP
COLLECTOR CENTER TANK
TANKS
SINGLE POINT
REFUEL/DEFUEL
ADAPTER
LH MAIN TANK
REFUEL/DEFUEL
CONTROL PANEL
LH MAIN
FILL CAP
REFUEL/DEFUEL
CONTROL PANEL
<0017>
Vol. 1 13--20--1
REV 56, Jan 31/03
FUEL SYSTEM
Fuel Storage
Flight Crew Operating Manual
CSP A--013
MASTER
1. FUEL STORAGE
Fuel is stored in two main wing tanks and one center wing tank. In flight, as the wing tank
fuel quantity decreases, the FSC will automatically transfer fuel from the center tank to the
wing tanks to maintain lateral balance.
A. Collector Tanks
Two collector tanks are located in the forward section of the center wing tank. Fuel
from each wing tank is fed under pressure to its respective collector tank by scavenge
ejectors. The collector tank capacity is 10 gallons (38 liters) and when the tank is full,
excess fuel is vented back to the respective wing tank. Fuel can also be fed from the
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