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 TM 9-8000
CHAPTER 4
GASOLINE FUEL SYSTEMS
Section I. COMPONENTS AND THEIR PURPOSES
4-1. Fuel Tanks.
to give them strength. Internal baffles are in-stalled in the
a. Purpose. The fuel tank is for storage of gasoline in
tank to prevent the fuel from sloshing and to increase
liquid form.
overall strength. Some tanks are made with a double
b. Location (Fig. 4-1). The location of the fuel tank is
wall with a layer of latex rubber in between. The purpose
dependent on utilizing an area that is protected from
of the wall is to make the tank self-sealing.
flying debris, shielded from collision damage, and one
that is not subject to bottoming. A fuel tank can be
(2)The fuel cell (fig. 4-3) is a compartment that is
located just about anywhere in the vehicle that meets
integral with the body or the hull of the vehicle. Fuel cells
these requirements.
can be located anywhere that there is an empty space.
c. Construction. Fuel tanks take many forms in military
They are used in vehicles that require large fuel storage
vehicles such as those described below.
capacity. A fuel cell can take advantage of hollow areas
of the vehicle where use of a removable fuel tank would
(1)The removable fuel tank (fig. 4-2) is most commonly
be impractical. Fuel cells are suited particularly for
used in wheeled vehicles. The most common material for
combat situations because they may be located in areas
fuel tanks is thin sheet metal that is coated with a lead-tin
that provide a maximum of shielding.
alloy to prevent corrosion. Because corrosion is of major
(3)The bladder-type fuel cell (fig. 4-4) is much the
concern, fiberglass and a variety of molded plastics are
same as a fuel cell, except for the addition of a flexible
also popular for the manufacture of fuel tanks.
liner. The liner serves to seal the cell much like an inner
The walls of the tank are manufactured with ridges
tube seals a tire.
d. Filler Pipe (Fig. 4-2). A pipe is provided for filling the
tank or cell that is designed to prevent
Figure 4.1. Common Fuel Tank Locations.
4-1
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