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TM 10-3930-632-34
CHAPTER 6
REPAIR OF FUEL SYSTEM
Section I. DESCRIPTION
tank. The fuel is drawn from the fuel tank, through the
6-1.
General
supply line, by the fuel pump. The pump then delivers
the fuel to the carburetor where it is mixed with the
The fuel system consists of a fuel tank, fuel pump,
proper amount of air and vaporized. The fuel-air mixture
supply line, carburetor, and a governor. All components
leaves the carburetor and enters the intake manifold of
of the fuel system are covered in TM 10-3930-632-12
the engine where it is drawn into the engine cylinders.
with the exception of the carburetor, governor, and fuel
Section II. CARBURETOR
6-2.
General
6-3.
Removal
The carburetor is of updraft, single-barrel design with
Remove the carburetor as outlined in TM 10-3930-
a manual choke.  The level of the fuel in the fuel
632-12.
chamber is regulated by a float which controls the fuel
valve.
The fuel valve does not close and open
6-4.
Disassembly
alternately, but assumes an opening regulated by the
float, sufficient to maintain a proper fuel level in the fuel
Disassemble the carburetor as shown in figure 6- 1.
chamber that is equal to the demand of the engine
The index numbers assigned to the parts indicate the
according to its speed and load.
order of disassembly. Note the following:
6-1

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