Choke Plate: Adjustments

Fig. 8 Fast idle cam assemblies:

Fig. 9 Choke plate clearance:

1. Set throttle on fast idle cam top step, Fig. 8, then loosen choke thermostatic housing retaining screws and set housing 90° in rich direction.
2. Activate pulldown motor by manually forcing pulldown control diaphragm link in direction of applied vacuum or by applying vacuum to external vacuum tube.
3. Check clearance between choke plate and center of carburetor air horn wall nearest fuel bowl, Fig. 9. Refer to the Specifications Chart. If clearance is not as specified, reset by adjusting diaphragm stop on end of choke pulldown diaphragm.