Vacuum piston choke
1. Remove the fast idle cam retainer (fig. 19).
2. Remove the thermostatic choke spring housing retaining screws and remove the clamp, housing and gasket.
3. Remove the choke housing assembly retaining screws. If the air horn was not previously removed, remove the choke control rod retainer. Remove the choke housing assembly, gasket and the fast idle cam. Remove the fast idle cam and rod from the choke over-travel lever.
4. Remove the automatic choke shaft retaining screw and washer (Fig. 20). Remove the choke thermostat lever from the housing. If necessary, remove the pin securing the choke piston to the choke thermostat lever link. Remove the choke shaft and lever assembly and the over-travel lever from the choke housing.
Main body
1. Use a hook to disconnect, the float shaft retainer from the float shaft (Figs. 21 and 22). Remove the float, torsion (damper) spring and shaft and the fuel inlet needle seat.
2. Remove the fuel inlet needle seat and the main jets with a jet wrench (Figs. 23 and 24).
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3. Remove the accelerator pump discharge screw, -air distribution plate (if so equipped), booster venturi and gasket (Fig. 25). Invert the main body and let the accelerating pump discharge weight and bail fall into the hand. Remove the fuel Inlet fitting.
4. Remove the accelerator pump operating rod from the over-travel lever and the retainer. To release the operating rod from the over-travel lever retainer, press the ends of the retainer to-gether; then, at the same time, press the rod away from the retainer until it is disengaged. Remove the rod and retainer.
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