A professional who sets up and operates brakedrum lathe to resurface automotive brakedrums, and operates grinding machine to grind brakeshoe linings. Respnsibilities include:

• Clamps hub and drum on lathe spindle and adjusts cutting tool to machine drum surface.
• Starts spindle and feeds tool into drum by hand, or adjusts automatic feed mechanism.
• Measures drum to verify specified dimensions, using calipers, drum gauge, or micrometer.
• Clamps brakeshoe on grinder and grinds lining to specified arc as determined by new diameter of drum.
• May replace defective brake cylinders and fill master brake cylinder with brake fluid.
• May mount wheel on axle and adjust drumshoe clearance.