A professional who sets up and adjusts machines, such as grid formers or spade-winding machines, used to fabricate parts for electron tubes. Respnsibilities include:

• Reads work order or receives verbal instructions regarding machine setup.
• Installs specified parts, such as gears, cams, ratchets, cutters, and guides in machine.
• Sets control mechanisms that regulate functions, such as feed rate, spindle speed, air pressure, and wire tension.
• Loads, positions, and aligns wire or other fabrication material on feed mechanisms.
• Starts machine and observes operation to detect malfunction.
• Examines and measures sample part, using magnifying device and measuring instruments, such as balance scale, ruler, and micrometer, to ensure part meets specifications or to determine cause of defect.
• May maintain and repair machinery.
• May sharpen tools, using grinder or polishing equipment.