Section IX. MAINTENANCE OF FUEL SYSTEM

Section IX. MAINTENANCE OF FUEL SYSTEM

4-18.

Description

c. Fuel flow to the engine from the carburetor is

controlled by the constant speed governor. A wire

a. The fuel system consists of the fuel tank, lines,

link connects the governor lever and the carburetor

and fittings, fuel strainer, and carburetor. The fuel

throttle lever. As the governor reacts to an increase

system is a gravity-feed type and requires no fuel

or decrease in engine speed, it closes or opens the

pump since the fuel tank is mounted above the

throttle to restore the engine to governed speed.

engine. The fuel strainer incorporates a shutoff

valve to facilitate servicing of the strainer.

4-19. Fuel Tank, Lines, and Fittings

b. The carburetor is a side-draft type and uses a

a. Removal and Disassembly. Disassemble the

conventional float bowl and needle valve to control

fuel tank, lines, and fittings in the sequence shown

the fuel flow into the carburetor. The carburetor

in figure 4-6. Drain the fuel tank prior to

includes several adjustment points which permit

disconnecting the fuel lines. Do not disassemble the

proper adjustment of the fuel mixture to the engine

fuel tank cap from the fuel tank unless the cap or

to assure smooth operation.

chain is damaged.

Figure 4-6. Fuel tank, lines, and fittings, exploded view.