A professional who sets up and operates gear inspecting and sorting machines to measure gears for deviations from dimensional specifications and to test mesh of gears with master (inspection) gears. Respnsibilities include:

• Positions gear in spindle and moves controls to engage it with master gear.
• Rotates gear and observes mating with master gear and listens for sounds indicating defective gear.
• Marks gear with ink or attaches tracing stylus to gear to locate and highlight wear points.
• Color codes gears to enable other workers to match gears having similar deviations.
• May file burrs or highspots on gears.
• May test mesh and accuracy of finished transmission gears and be designated Gear Roller.