8 Pin, tapered
9 Pin, lock
Shaft and lever
11 Shaft bearing
Figure 25. Governor.
(3) Loosen the fuel line nut (7) securing the fuel line (8) to the carburetor assembly (5), and remove the
line from the carburetor.
(4) Remove the two hex screws (16, fig. 26) and lockwashers (15) securing the carburetor assembly to
the intake manifold (3), and remove the carburetor and flange gasket (17).
d. Cleaning and Inspection.
(1) Wash the carburetor with an approved cleaning solvent and dry thoroughly.
(2) Check the throttle body and fuel bowl for cracks or burrs on the gasket surfaces, and repair minor
damage, such as small burrs, with a fine file. Replace the carburetor if defective.
(1) Position a new flange gasket (17, fig. 26) on the carburetor flange, and secure the carburetor
assembly (5) on the intake manifold (3) with two lockwashers (15) and the hex screws.
(2) Attach the fuel line (8, fig. 20) to the carburetor assembly (5), and secure with nut (7).
(3) Insert the choke wire (14) in the hole in the butterfly valve arm. Position the butterfly valve arm so
that the butterfly valve is wide open. Push the choke control knob on the instrument panel all the
way in, and tighten butterfly valve arm swivel screw.
Warning: If NBC exposure is suspected, all air filter media should be handled by personnel wearing
protective equipment. Consult your unit NBC Officer or NBC NCO for appropriate handling or disposal
(4) Install the air cleaner hose (4).
(5) Insert the throttle control rod into the variable speed lever (4, fig. 21), and secure nut (15).
(6) Adjust the carburetor. See b above.