Carter BBD 2-Barrel: Adjustment: Unloader
Adjust after fast idle linkage adjusted. Hold throttle valve in wide open position and check choke valve opening by inserting drill or gauge of correct size (see Specifications ) between edge of valve and air horn wall. A slight drag should be felt as drill or gauge is withdrawn. Adjust by bending unloader arm on throttle lever (Carburetors with fast idle cam at throttle lever), by bending unloader arm on fast idle lever (Carburetors with fast idle cam on choke shaft).