PUSH ROD AND TAPPET ASSEMBLY

摘要

A push rod and tappet assembly for a cam actuated pump in which a tappet having a barbed shank is lightly press fitted, during assembly, part-way into the hollow end of the push rod so that during the initial operating cycle of the pump, as the cam on which the tappet rides rotates through the first cycle of rotation, the pump piston to which the push rod is connected bottoms out and the shank of the tappet will then be forced further into the push rod to a position to thereafter provide substantially zero clearance in the pump.