||Bus and Truck Mechanics and Diesel Engine Specialists
- Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.
- Rebuild gas or diesel engines.
- Inspect and verify dimensions and clearances of parts to ensure conformance to factory specifications.
- Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, chassis charts, or pressure gauges.
- Specialize in repairing and maintaining parts of the engine, such as fuel injection systems.
- Inspect, repair, and maintain automotive and mechanical equipment and machinery, such as pumps and compressors.
- Disassemble and overhaul internal combustion engines, pumps, generators, transmissions, clutches, and differential units.
||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.
||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.
||Outdoor Power Equipment and Other Small Engine Mechanics
- Test and inspect engines to determine malfunctions, to locate missing and broken parts, and to verify repairs, using diagnostic instruments.
- Dismantle engines, using hand tools, and examine parts for defects.
- Repair and maintain gasoline engines used to power equipment such as portable saws, lawn mowers, generators, and compressors.
||Automotive Service Technicians and Mechanics
- 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, replace, or adjust defective fuel injectors, carburetor parts, and gasoline filters.
||Recreational Vehicle Service Technicians
- Inspect recreational vehicles to diagnose problems and perform necessary adjustment, repair, or overhaul.
- Inspect, repair, or replace brake systems.
||Rail Car Repairers
- Inspect components such as bearings, seals, gaskets, wheels, and coupler assemblies to determine if repairs are needed.
- Dismantle engines and repair or replace defective parts, such as magnetos, carburetors, or generators.
||Farm Equipment Mechanics and Service Technicians
- Maintain, repair, and overhaul farm machinery and vehicles, such as tractors, harvesters, and irrigation systems.
||Aircraft Service Attendants
- Inspect aircraft components to locate cracks, breaks, leaks, or other problems.
||Mobile Heavy Equipment Mechanics, Except Engines
- Examine parts for damage or excessive wear, using micrometers and gauges.
||Maintenance and Repair Workers, General
- Perform routine maintenance, such as inspecting drives, motors, or belts, checking fluid levels, replacing filters, or doing other preventive maintenance actions.
||Electric Motor, Power Tool, and Related Repairers
- Repair and rebuild defective mechanical parts in electric motors, generators, and related equipment, using hand tools and power tools.