Back out throttle lever adjusting screw until throttle valves seat in bores of carburetor. Be sure fast idle adjusting screw does not hold throttle open. Insert one metering rod gauge in place of either metering rod. (Gauges are not currently available, we use dimensions in place of gauges when necessary) Press down lightly on vacuum piston link (E) until lug of piston link (F) contacts lip of metering rod arm (G). There should be less than .005” clearance between metering rod bearing (H) and shoulder in notch of gauge. Adjustment should be made by bending lip of metering rod arm (G).