A professional who tends machine that automatically assembles, calibrates, and tests thermostat units. Responsibilities include:

• Turns setscrews to regulate speed of machine hoppers.
• Fills hoppers with workpieces and screws.
• Adjusts control device that positions workpiece under screw mechanism and sets depth of automatic screwdriver, using handtools.
• Starts machine that automatically assembles, calibrates, and tests thermostats.
• Examines thermostat units for defects.
• May turn dial indicator to set temperature of thermostat.
• May tend in-line or rotary, self-indexing, multiple-station-and-purpose automatic assembly machine.