||Automotive Service Technicians and Mechanics
- Test and adjust repaired systems to meet manufacturers' performance specifications.
- Repair, reline, replace, and adjust brakes.
- Repair, replace, or adjust defective fuel injectors, carburetor parts, and gasoline filters.
- Overhaul or replace carburetors, blowers, generators, distributors, starters, and pumps.
- Repair or replace parts such as pistons, rods, gears, valves, and bearings.
- Repair or rebuild transmissions.
||Control and Valve Installers and Repairers, Except Mechanical Door
- Turn valves to allow measured amounts of air or gas to pass through meters at specified flow rates.
- Vary air pressure flowing into regulators and turn handles to assess functioning of valves and pistons.
- Replace defective parts, such as bellows, range springs, and toggle switches, and reassemble units according to blueprints, using cam presses and hand tools.
- Dismantle meters, and replace or adjust defective parts such as cases, shafts, gears, disks, and recording mechanisms, using soldering irons and hand tools.
- Make adjustments to meter components, such as setscrews or timing mechanisms, so that they conform to specifications.
||Musical Instrument Repairers and Tuners
- Adjust string tensions to tune instruments, using hand tools and electronic tuning devices.
- Repair or replace musical instrument parts and components, such as strings, bridges, felts, and keys, using hand and power tools.
- String instruments, and adjust trusses and bridges of instruments to obtain specified string tensions and heights.
- Adjust felt hammers on pianos to increase tonal mellowness or brilliance, using sanding paddles, lacquer, or needles.
- Replace xylophone bars and wheels.
||Radio, Cellular, and Tower Equipment Installers and Repairers
- Check antenna positioning to ensure specified azimuths or mechanical tilts and adjust as necessary.
- Replace existing antennas with new antennas as directed.
- Install, adjust, and repair stationary and mobile radio transmitting and receiving equipment and two-way radio communication systems.
- Monitor radio range stations to detect transmission flaws and adjust controls to eliminate flaws.
- Replace defective parts, using hand tools, arbor presses, flexible power presses, or power tools.
- Repair or replace other parts, such as headlights, horns, handlebar controls, gasoline or oil tanks, starters, or mufflers.
- Dismantle engines and repair or replace defective parts, such as magnetos, carburetors, or generators.
- Remove cylinder heads and grind valves to scrape off carbon and replace defective valves, pistons, cylinders, or rings, using hand and power tools.