||Mobile Heavy Equipment Mechanics, Except Engines
- Repair and replace damaged or worn parts.
- Overhaul and test machines or equipment to ensure operating efficiency.
- Adjust, maintain, and repair or replace subassemblies, such as transmissions and crawler heads, using hand tools, jacks, and cranes.
- Fit bearings to adjust, repair, or overhaul mobile mechanical, hydraulic, and pneumatic equipment.
||Automotive Service Technicians and Mechanics
- Repair and service air conditioning, heating, engine cooling, and electrical systems.
- Overhaul or replace carburetors, blowers, generators, distributors, starters, and pumps.
- Repair or rebuild transmissions.
||Heating, Air Conditioning, and Refrigeration Mechanics and Installers
- Repair or replace defective equipment, components, or wiring.
- Perform mechanical overhauls and refrigerant reclaiming.
- Repair or service heating, ventilating, and air conditioning (HVAC) systems to improve efficiency, such as by changing filters, cleaning ducts, and refilling non-toxic refrigerants.
||Aircraft Mechanics and Service Technicians
- Maintain, repair, and rebuild aircraft structures, functional components, and parts, such as wings and fuselage, rigging, hydraulic units, oxygen systems, fuel systems, electrical systems, gaskets, or seals.
- Replace or repair worn, defective, or damaged components, using hand tools, gauges, and testing equipment.
- Remove, inspect, repair, and install in-flight refueling stores and external fuel tanks.
||Plumbers, Pipefitters, and Steamfitters
- Repair hydraulic or air pumps.
- Repair or remove and replace system components.
||Control and Valve Installers and Repairers, Except Mechanical Door
- Disassemble and repair mechanical control devices or valves, such as regulators, thermostats, or hydrants, using power tools, hand tools, and cutting torches.
||Motorboat Mechanics and Service Technicians
- Repair or rework parts, using machine tools such as lathes, mills, drills, or grinders.
||Signal and Track Switch Repairers
- Test and repair track circuits.
||Computer, Automated Teller, and Office Machine Repairers
- Repair, adjust, or replace electrical or mechanical components or parts, using hand tools, power tools, or soldering or welding equipment.
||Home Appliance Repairers
- Service and repair domestic electrical or gas appliances, such as clothes washers, refrigerators, stoves, and dryers.
||Farm Equipment Mechanics and Service Technicians
- Repair or replace defective parts, using hand tools, milling and woodworking machines, lathes, welding equipment, grinders, or saws.
||Outdoor Power Equipment and Other Small Engine Mechanics
- Repair or replace defective parts such as magnetos, water pumps, gears, pistons, and carburetors, using hand tools.
||Coin, Vending, and Amusement Machine Servicers and Repairers
- Adjust and repair coin, vending, or amusement machines and meters and replace defective mechanical and electrical parts, using hand tools, soldering irons, and diagrams.
||Medical Equipment Repairers
- Repair shop equipment, metal furniture, or hospital equipment, including welding broken parts or replacing missing parts, or bring item into local shop for major repairs.
- Weld, repair, and fabricate equipment or machinery.
||Locksmiths and Safe Repairers
- Disassemble mechanical or electrical locking devices, and repair or replace worn tumblers, springs, and other parts, using hand tools.
||Watch and Clock Repairers
- Repair or replace broken, damaged, or worn parts on timepieces, using lathes, drill presses, and hand tools.
||Industrial Machinery Mechanics
- Repair or replace broken or malfunctioning components of machinery or equipment.
||Refractory Materials Repairers, Except Brickmasons
- Reline or repair ladles and pouring spouts with refractory clay, using trowels.
||Maintenance Workers, Machinery
- Replace or repair metal, wood, leather, glass, or other lining in machines, or in equipment compartments or containers.