3-11
Fuel System
3-11
ADJUSTMENTS DURING ASSEMBLY
Assemble the throttle body, and assemble the
throttle body to the main body. Use a new gasket and
torque the screws to 30 in-lbs. in three even steps.
Install the main jet and power valve with the proper tools.
If the valve is leaking remove the hexagon
weight and lightly stake the seat with the old ball using a
suitable punch or drift. Throw the old ball valve away
and install the new ball from the kit, at the proper time
during reassembly.
Install the float shaft in the float lever and insert
assembly in the float shaft cradle. Insert the retaining
spring.
Install a new gasket on the new fuel inlet valve
(needle and seat).
Hold the retaining spring with the fingers and
FIG. 19. Throttle Body and Idle Adjustment Screws
invert the bowl. A straight edge placed across the
surface of the bowl should just touch the toes of the float
(The portion of the float hangs farthest from the fuel
inlet.) If necessary bend the float hang to obtain this
adjustment (Figure 23). Complete the reassembly.
FIG. 20. Blowing Out Main Well Tube
FIG. 22. Testing the Accelerator Pump System
FIG. 23. Testing Dry Float Adjustment
FIG. 21. Staking the Vacuum Piston