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EICAS Messages...................................................................................................... 12-33
List of Figures
Graphic Title Figure
For Training Purposes Only
May 03
12-iii
P I LOT T R A I N I N G GU I D E FUEL SYSTEM
Fuel Tank System .............................................................................................................12-1
Water Drains Arrangement ...............................................................................................12-2
Fuel Vent System (Manual Vent Relief Valves) ................................................................12-3
Tail Tank Relief Valve .......................................................................................................12-4
Boost Pump Switch/Lights ................................................................................................12-5
Main Ejector and Ejector Operation ..................................................................................12-6
Fuel Distribution Schematic Legend .................................................................................12-7
Fuel Distribution Schematic ..............................................................................................12-8
Tail Tank Transfer Switch/Lights.......................................................................................12-9
Fuel Transfer Schematic Legend.................................................................................... 12-10
Fuel Transfer Schematic................................................................................................. 12-11
Fuel Dump Switch/Light .................................................................................................. 12-12
XFLOW Switch/Lights ..................................................................................................... 12-13
FUEL / DEFUEL Panel Operation Test........................................................................... 12-14
FUEL / DEFUEL Panel Pressure Refueling....................................................................12-15
Pressure Refueling (Auxiliary Tanks).............................................................................. 12-16
Refuel / Defuel System Schematic ................................................................................. 12-17
FUEL Control Panel ........................................................................................................ 12-18
EICAS Fuel Information Display ..................................................................................... 12-19
Interior Optional FUEL/DEFUEL Panel........................................................................... 12-20
Exterior FUEL/DEFUEL Panel ........................................................................................ 12-21
12-iv For Training Purposes Only
May 03
FUEL SYSTEM P I LOT T R A I N I N G GU I D E
Page Intentionally Left Blank
FUEL SYSTEM
For Training Purposes Only
Jan 04
12-1
P I LOT T R A I N I N G GU I D E
CHAPTER 12: FUEL SYSTEM Introduction
The Challenger 604’s fuel system consists of a fuel tank system, a fuel distribution
system, a fuel transfer system, and a refueling/defueling system. A Fuel System
Computer Unit (FSCU) monitors fuel quantity and controls fuel transfer and refueling/
defueling. During normal flight operations fuel management is automatic, requiring no
input from the flight crew.
Fuel Tank System
Description
The fuel system storage consist of three tank systems:
• the main tanks (left and right wings)
• the auxiliary tanks (forward, center and aft tanks)
• the tail tanks (tail cone tank, left and right saddle tanks)
Fuel Tank System
Figure 12-1
The total fuel capacity is 20,000 lb/9098 kg (pressure refueling) and 15,722 lb/7130 kg
(gravity refueling).
Aux Tank System
Tail Tank System
Main Tank System
P604_12_001
Tail
Cone
Tank
Fuel
Dump
Mast
Right
Saddle
Tank
Left
Saddle
Tank
Aft
Auxiliary
Tank
Right Main
Tank
Forward
Auxiliary
Center Tank
Auxiliary
Tank
Left Main
Tank
Collector
Tanks
FUEL SYSTEM
12-2 For Training Purposes Only
Sept 04
P I LOT T R A I N I N G GU I D E
Components and Operation
Main Tank System
The left and right main tanks are integral-type fuel tanks (wet wings) that supply fuel
to their respective engines via two collector tanks. Flapper valves in the wing ribs
prevent fuel from surging toward the wing tips. The main tanks may be refueled by
pressure or gravity. The APU’s normal fuel supply is from the right main tank.
　
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