A professional who sets up variety of metalworking machines to cut, drill, bore, abrade, mill, and assemble clock, watch, and timer parts, according to specifications and tooling instructions, applying knowledge of metal machining methods. Respnsibilities include:

• Confers with supervisor and studies blueprints and operation sheet to determine parts or assemblies to be processed.
• Installs dies, holding devices, and tools, such as cams, gears, chucks, cutters, and drills, using handtools.
• Operates machine to fabricate sample parts or assemblies and verifies conformance of workpiece to specifications visually and using gauges, such as micrometer, go-not-go, and calipers.
• Demonstrates operation of machine to workers.
• Observes machine operation for malfunctions, and notifies supervisor when machine repair or overhaul is required.
• Adjusts and makes minor machine repairs as required.
• May repair cams.
• May teach new operators to operate machine and maintain setup.
• May tend machines to meet production demands.
• May operate semiautomatic or hand operated machine to produce low production or experimental parts.
• May be designated according to type of machine set up as Machine Setter, Automatic; Machine Setter, Hand; Machine Setter, Semiautomatic.
• Important variables may be designated by brand name of machine used.