Brake Shoe Assembly
Some vehicles are equipped with leading/trailing brakes, identified by adjuster screw hole in backing plate, located above horizontal centerline of rear axle.
Brake assembly consists of backing plate, brake shoes, return springs, automatic adjusting assembly and a wheel cylinder.
Automatic adjusting assembly consists of an actuator lever, return spring, actuator link, adjusting screw and spring. Automatic adjustment is accomplished through movement of actuating lever and secondary shoe.