||Automotive Service Technicians and Mechanics
- Repair, reline, replace, and adjust brakes.
- Tear down, repair, and rebuild faulty assemblies, such as power systems, steering systems, and linkages.
- Follow checklists to ensure all important parts are examined, including belts, hoses, steering systems, spark plugs, brake and fuel systems, wheel bearings, and other potentially troublesome areas.
- Repair or replace parts such as pistons, rods, gears, valves, and bearings.
- Install, adjust, or repair hydraulic or electromagnetic automatic lift mechanisms used to raise and lower automobile windows, seats, and tops.
||Aircraft Mechanics and Service Technicians
- Examine and inspect aircraft components, including landing gear, hydraulic systems, and deicers to locate cracks, breaks, leaks, or other problems.
- Conduct routine and special inspections as required by regulations.
- Measure parts for wear, using precision instruments.
- Examine engines through specially designed openings while working from ladders or scaffolds, or use hoists or lifts to remove the entire engine from an aircraft.
- Remove, inspect, repair, and install in-flight refueling stores and external fuel tanks.
||Rail Car Repairers
- Inspect components such as bearings, seals, gaskets, wheels, and coupler assemblies to determine if repairs are needed.
- Repair, fabricate, and install steel or wood fittings, using blueprints, shop sketches, and instruction manuals.
- Examine car roofs for wear and damage, and repair defective sections, using roofing material, cement, nails, and waterproof paint.
- Repair window sash frames, attach weather stripping and channels to frames, and replace window glass, using hand tools.
- Repair car upholstery.
||Tire Repairers and Changers
- Inspect tire casings for defects, such as holes or tears.
- Locate punctures in tubeless tires by visual inspection or by immersing inflated tires in water baths and observing air bubbles.
- Inflate inner tubes and immerse them in water to locate leaks.
- Replace defective parts, using hand tools, arbor presses, flexible power presses, or power tools.
- Repair or adjust motorcycle subassemblies, such as forks, transmissions, brakes, or drive chains, according to specifications.
- Repair or replace other parts, such as headlights, horns, handlebar controls, gasoline or oil tanks, starters, or mufflers.