Mechanic, precision mechanics

Precision-instrument makers and repairers make, calibrate, repair, maintain, adjust and install mechanical watches and clocks, nautical, meteorological, optical and other precision instruments.

• repairing, cleaning and adjusting the mechanisms of timekeeping instruments such as watches and clocks;
• adjusting timing regulators using calipers, frequency meters and similar devices;
• cleaning, rinsing and drying watch and clock parts using solutions, ultrasonic machines or cleaning machines;
• testing the accuracy of watches and clocks using frequency meters and other electronic equipment;
• measuring the accuracy of gauges and other recording and control instruments to locate defective parts and ensure conformity with standards;
• calibrating instruments or scales using hand tools and computer and electronic equipment;
• inspecting components, connections and drive mechanisms to detect defects;
• assembling instruments and devices such as barometers, safety valves, gyroscopes, hygrometers, speedometers, tachometers and thermostats;
• testing, calibrating and adjusting electronic, mercury and other meteorological instruments for conformity with technical specifications and schematic diagrams using voltmeters, oscilloscopes, cathode-ray tubes and other test instruments;
• adjusting and repairing masts, other supporting structures, auxiliary lights, control panels, cables and wiring, and other electrical or mechanical devices;
• repairing and adjusting optical instruments such as microscopes, telescopes, theodolites and sextants;
• inspecting assembled devices for conformity with specifications and ensuring the expected quality and sensitivity through standard tests.
• Examples of occupations in this unit group:
• Maker, meteorological instruments
• Maker, watches and clocks
• Maker, optical instruments
• Maker, surgical instruments/appliances
• Worker, watch and clock repair