Abstract: A nozzle assembly comprises a frame, a bearing seated in a receptacle of the frame, the bearing defining a first hole, a cam including a first flange and a second flange, the first flange including a first surface and a second surface and defining a second hole between the first surface and the second surface, the second flange defining a third hole, where the bearing is disposed between the second surface of the first flange and the second flange, and a pin that includes a first portion and a second portion, where the first portion projects through the first hole, the second hole, and the third hole, and where the second portion abuts the first surface of the first flange.