- Disassemble malfunctioning equipment and remove, repair, or replace defective parts, such as motors, clutches, or transformers.
Occupations with related tasks Save Table: XLSX CSV
| Closely Related Tasks | All Related Tasks | Job Zone | Code | Occupation |
| 5 | 8 | 3 | 49-3023.00 | Automotive Service Technicians and Mechanics |
| 5 | 6 | 2 | 49-3043.00 | Rail Car Repairers |
| 4 | 9 | 3 | 49-3031.00 | Bus and Truck Mechanics and Diesel Engine Specialists |
| 4 | 8 | 3 | 49-3052.00 | Motorcycle Mechanics |
| 3 | 12 | 2 | 49-3022.00 | Automotive Glass Installers and Repairers |
| 3 | 6 | 3 | 49-9012.00 | Control and Valve Installers and Repairers, Except Mechanical Door |
| 2 | 4 | 3 | 49-3051.00 | Motorboat Mechanics and Service Technicians 
|
| 2 | 4 | 3 | 49-3041.00 | Farm Equipment Mechanics and Service Technicians
|
| 2 | 4 | 3 | 49-9071.00 | Maintenance and Repair Workers, General
|
| 2 | 3 | 3 | 49-9043.00 | Maintenance Workers, Machinery
|
| 2 | 2 | 2 | 49-9098.00 | Helpers--Installation, Maintenance, and Repair Workers |
| 1 | 13 | 2 | 49-3093.00 | Tire Repairers and Changers |
| 1 | 8 | 2 | 49-3091.00 | Bicycle Repairers |
| 1 | 8 | 3 | 49-9063.00 | Musical Instrument Repairers and Tuners |
| 1 | 6 | 2 | 49-3021.00 | Automotive Body and Related Repairers |
| 1 | 6 | 3 | 49-3011.00 | Aircraft Mechanics and Service Technicians |
| 1 | 6 | 3 | 49-2092.00 | Electric Motor, Power Tool, and Related Repairers |
| 1 | 4 | 2 | 49-9094.00 | Locksmiths and Safe Repairers |
| 1 | 4 | 2 | 49-3053.00 | Outdoor Power Equipment and Other Small Engine Mechanics |
| 1 | 4 | 2 | 49-9011.00 | Mechanical Door Repairers
|
| 1 | 3 | 3 | 49-2091.00 | Avionics Technicians |
| 1 | 3 | 2 | 51-2023.00 | Electromechanical Equipment Assemblers
|
| 1 | 3 | 2 | 49-3092.00 | Recreational Vehicle Service Technicians
|
| 1 | 3 | 3 | 51-4041.00 | Machinists |
| 1 | 3 | 2 | 49-9031.00 | Home Appliance Repairers |
| 1 | 2 | 2 | 51-2021.00 | Coil Winders, Tapers, and Finishers |
| 1 | 2 | 3 | 49-9061.00 | Camera and Photographic Equipment Repairers |
| 1 | 2 | 3 | 49-9041.00 | Industrial Machinery Mechanics
|
| 1 | 2 | 2 | 53-7073.00 | Wellhead Pumpers |
| 1 | 2 | 2 | 53-7062.04 | Recycling and Reclamation Workers
|
| 1 | 2 | 2 | 51-7021.00 | Furniture Finishers |
| 1 | 2 | 2 | 51-9041.00 | Extruding, Forming, Pressing, and Compacting Machine Setters, Operators, and Tenders |
| 1 | 1 | 3 | 49-2097.00 | Audiovisual Equipment Installers and Repairers |
| 1 | 1 | 2 | 51-9196.00 | Paper Goods Machine Setters, Operators, and Tenders |
| 1 | 1 | 3 | 27-4015.00 | Lighting Technicians |
| 1 | 1 | 2 | 51-2061.00 | Timing Device Assemblers and Adjusters |
| 1 | 1 | 2 | 51-4023.00 | Rolling Machine Setters, Operators, and Tenders, Metal and Plastic |
| 1 | 1 | 3 | 51-9071.06 | Gem and Diamond Workers |
| 1 | 1 | 3 | 49-9092.00 | Commercial Divers
|
| 1 | 1 | 2 | 51-9124.00 | Coating, Painting, and Spraying Machine Setters, Operators, and Tenders |
| 1 | 1 | 3 | 49-9021.00 | Heating, Air Conditioning, and Refrigeration Mechanics and Installers
|
| 1 | 1 | 2 | 51-4121.00 | Welders, Cutters, Solderers, and Brazers |
| 1 | 1 | 2 | 51-4031.00 | Cutting, Punching, and Press Machine Setters, Operators, and Tenders, Metal and Plastic |
| 1 | 1 | 2 | 51-9061.00 | Inspectors, Testers, Sorters, Samplers, and Weighers |
- Repair, reline, replace, and adjust brakes.
- Tear down, repair, and rebuild faulty assemblies, such as power systems, steering systems, and linkages.
- Disassemble units and inspect parts for wear, using micrometers, calipers, and gauges.
- 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.
- Repair, replace, or adjust defective fuel injectors, carburetor parts, and gasoline filters.
- Rebuild parts, such as crankshafts and cylinder blocks.
- Retrofit vehicle fuel systems with aftermarket products, such as vapor transfer devices, evaporation control devices, swirlers, lean burn devices, and friction reduction devices, to enhance combustion and fuel efficiency.
- Inspect vehicles for damage and record findings so that necessary repairs can be made.
- Test drive vehicles and test components and systems, using equipment such as infrared engine analyzers, compression gauges, and computerized diagnostic devices.
- Test and adjust repaired systems to meet manufacturers' performance specifications.
- Review work orders and discuss work with supervisors.
- Estimate costs of vehicle repair.
- Confer with customers to obtain descriptions of vehicle problems and to discuss work to be performed and future repair requirements.
- Align vehicles' front ends.
- Align wheels, axles, frames, torsion bars, and steering mechanisms of automobiles, using special alignment equipment and wheel-balancing machines.
- Perform routine and scheduled maintenance services, such as oil changes, lubrications, and tune-ups.
- Plan work procedures, using charts, technical manuals, and experience.
- 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.
- Maintain cleanliness of work area.
- Change spark plugs, fuel filters, air filters, and batteries in hybrid electric vehicles.
- Repair and service air conditioning, heating, engine cooling, and electrical systems.
- Test electronic computer components in automobiles to ensure proper operation.
- Overhaul or replace carburetors, blowers, generators, distributors, starters, and pumps.
- Rewire ignition systems, lights, and instrument panels.
- Troubleshoot fuel, ignition, and emissions control systems, using electronic testing equipment.
- Tune automobile engines to ensure proper and efficient functioning.
- Conduct visual inspections of compressed natural gas fuel systems to identify cracks, gouges, abrasions, discoloration, broken fibers, loose brackets, damaged gaskets, or other problems.
- Diagnose and replace or repair engine management systems or related sensors for flexible fuel vehicles (FFVs) with ignition timing, fuel rate, alcohol concentration, or air-to-fuel ratio malfunctions.
- Repair or rebuild transmissions.
- Repair, reline, replace, and adjust brakes.
- Tear down, repair, and rebuild faulty assemblies, such as power systems, steering systems, and linkages.
- Disassemble units and inspect parts for wear, using micrometers, calipers, and gauges.
- 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.
- Repair, replace, or adjust defective fuel injectors, carburetor parts, and gasoline filters.
- Rebuild parts, such as crankshafts and cylinder blocks.
- Retrofit vehicle fuel systems with aftermarket products, such as vapor transfer devices, evaporation control devices, swirlers, lean burn devices, and friction reduction devices, to enhance combustion and fuel efficiency.
- 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.
- Disassemble units such as water pumps, control valves, and compressors so that repairs can be made.
- Repair window sash frames, attach weather stripping and channels to frames, and replace window glass, using hand tools.
- Repair car upholstery.
- Remove locomotives, car mechanical units, or other components, using pneumatic hoists and jacks, pinch bars, hand tools, and cutting torches.
- Record conditions of cars, and repair and maintenance work performed or to be performed.
- Inspect components such as bearings, seals, gaskets, wheels, and coupler assemblies to determine if repairs are needed.
- Repair or replace defective or worn parts such as bearings, pistons, and gears, using hand tools, torque wrenches, power tools, and welding equipment.
- Inspect the interior and exterior of rail cars coming into rail yards to identify defects and to determine the extent of wear and damage.
- Test units for operability before and after repairs.
- Adjust repaired or replaced units as needed to ensure proper operation.
- Perform scheduled maintenance, and clean units and components.
- Paint car exteriors, interiors, and fixtures.
- Repair and maintain electrical and electronic controls for propulsion and braking systems.
- Measure diameters of axle wheel seats, using micrometers, and mark dimensions on axles so that wheels can be bored to specified dimensions.
- Test electrical systems of cars by operating systems and using testing equipment such as ammeters.
- Replace defective wiring and insulation, and tighten electrical connections, using hand tools.
- Install and repair interior flooring, fixtures, walls, plumbing, steps, and platforms.
- Align car sides for installation of car ends and crossties, using width gauges, turnbuckles, and wrenches.
- 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.
- Disassemble units such as water pumps, control valves, and compressors so that repairs can be made.
- Repair window sash frames, attach weather stripping and channels to frames, and replace window glass, using hand tools.
- Repair car upholstery.
- Remove locomotives, car mechanical units, or other components, using pneumatic hoists and jacks, pinch bars, hand tools, and cutting torches.
- Diagnose and repair vehicle heating and cooling systems.
- Inspect, repair, and maintain automotive and mechanical equipment and machinery, such as pumps and compressors.
- Install or repair accessories.
- Repair or adjust seats, doors, or windows.
- Disassemble and overhaul internal combustion engines, pumps, generators, transmissions, clutches, and differential units.
- Rebuild gas or diesel engines.
- Specialize in repairing and maintaining parts of the engine, such as fuel injection systems.
- Recondition and replace parts, pistons, bearings, gears, and valves.
- Dismount, mount, and repair or replace tires.
- Use handtools, such as screwdrivers, pliers, wrenches, pressure gauges, or precision instruments, as well as power tools, such as pneumatic wrenches, lathes, welding equipment, or jacks and hoists.
- Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.
- Raise trucks, buses, and heavy parts or equipment using hydraulic jacks or hoists.
- Adjust and reline brakes, align wheels, tighten bolts and screws, and reassemble equipment.
- Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.
- Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment and machinery.
- Examine and adjust protective guards, loose bolts, and specified safety devices.
- Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, chassis charts, or pressure gauges.
- Rewire ignition systems, lights, and instrument panels.
- Test drive trucks and buses to diagnose malfunctions or to ensure that they are working properly.
- Inspect and verify dimensions and clearances of parts to ensure conformance to factory specifications.
- Adjust or repair computer controlled exhaust emissions devices.
- Align front ends and suspension systems.
- Maintain or repair vehicles with alternative fuel systems, including biodiesel, hybrid, or compressed natural gas vehicles.
- Measure vehicle emissions to determine whether they are within acceptable limits.
- Follow green operational practices involving conservation of water or energy or reduction of solid waste.
- Operate valve-grinding machines to grind and reset valves.
- Diagnose and repair vehicle heating and cooling systems.
- Inspect, repair, and maintain automotive and mechanical equipment and machinery, such as pumps and compressors.
- Install or repair accessories.
- Repair or adjust seats, doors, or windows.
- Disassemble and overhaul internal combustion engines, pumps, generators, transmissions, clutches, and differential units.
- Rebuild gas or diesel engines.
- Specialize in repairing and maintaining parts of the engine, such as fuel injection systems.
- Recondition and replace parts, pistons, bearings, gears, and valves.
- Dismount, mount, and repair or replace tires.
- Replace defective parts, using hand tools, arbor presses, flexible power presses, or power tools.
- Dismantle engines and repair or replace defective parts, such as magnetos, carburetors, or generators.
- Repair or replace other parts, such as headlights, horns, handlebar controls, gasoline or oil tanks, starters, or mufflers.
- Repair or adjust motorcycle subassemblies, such as forks, transmissions, brakes, or drive chains, according to specifications.
- Disassemble subassembly units and examine condition, movement, or alignment of parts, visually or using gauges.
- Reassemble frames and reinstall engines after repairs.
- Install motorcycle accessories.
- Reassemble and test subassembly units.
- Mount, balance, change, or check condition or pressure of tires.
- Connect test panels to engines and measure generator output, ignition timing, or other engine performance indicators.
- Listen to engines, examine vehicle frames, or confer with customers to determine nature and extent of malfunction or damage.
- Remove cylinder heads and grind valves to scrape off carbon and replace defective valves, pistons, cylinders, or rings, using hand and power tools.
- Hammer out dents and bends in frames and weld tears and breaks.
- Replace defective parts, using hand tools, arbor presses, flexible power presses, or power tools.
- Dismantle engines and repair or replace defective parts, such as magnetos, carburetors, or generators.
- Repair or replace other parts, such as headlights, horns, handlebar controls, gasoline or oil tanks, starters, or mufflers.
- Repair or adjust motorcycle subassemblies, such as forks, transmissions, brakes, or drive chains, according to specifications.
- Disassemble subassembly units and examine condition, movement, or alignment of parts, visually or using gauges.
- Reassemble frames and reinstall engines after repairs.
- Install motorcycle accessories.
- Reassemble and test subassembly units.
- Install, repair, or replace safety glass and related materials, such as back glass heating elements, on vehicles or equipment.
- Replace or adjust motorized or manual window-raising mechanisms.
- Install new foam dams on pinchwelds, if required.
- Prime all scratches on pinchwelds with primer and allow to dry.
- Remove all dirt, foreign matter, and loose glass from damaged areas, apply primer along windshield or window edges, and allow primer to dry.
- Allow all glass parts installed with urethane ample time to cure, taking temperature and humidity into account.
- Apply a bead of urethane around the perimeter of each pinchweld and dress the remaining urethane on the pinchwelds so that it is of uniform level and thickness.
- Install replacement glass in vehicles.
- Replace all moldings, clips, windshield wipers, or other parts that were removed prior to glass replacement or repair.
- Remove broken or damaged glass windshields or window glass from motor vehicles, using hand tools to remove screws from frames holding glass.
- Remove moldings, clips, windshield wipers, screws, bolts, and inside A-pillar moldings and lower headliners in preparation for installation or repair work.
- Install rubber channeling strips around edges of glass or frames to weatherproof windows or to prevent rattling.
- Select appropriate tools, safety equipment, and parts, according to job requirements.
- Obtain windshields or windows for specific automobile makes and models from stock and examine them for defects prior to installation.
- Check for and remove moisture or contamination in damaged areas and keep areas dry until repairs are complete.
- Cool or warm glass in the event of temperature extremes.
- Hold cut or uneven edges of glass against automated abrasive belts to shape or smooth edges.
- Cut flat safety glass according to specified patterns or perform precision pattern making and glass cutting to custom fit replacement windows.
- Install, repair, or replace safety glass and related materials, such as back glass heating elements, on vehicles or equipment.
- Replace or adjust motorized or manual window-raising mechanisms.
- Install new foam dams on pinchwelds, if required.
- Prime all scratches on pinchwelds with primer and allow to dry.
- Remove all dirt, foreign matter, and loose glass from damaged areas, apply primer along windshield or window edges, and allow primer to dry.
- Allow all glass parts installed with urethane ample time to cure, taking temperature and humidity into account.
- Apply a bead of urethane around the perimeter of each pinchweld and dress the remaining urethane on the pinchwelds so that it is of uniform level and thickness.
- Install replacement glass in vehicles.
- Replace all moldings, clips, windshield wipers, or other parts that were removed prior to glass replacement or repair.
- Remove broken or damaged glass windshields or window glass from motor vehicles, using hand tools to remove screws from frames holding glass.
- Remove moldings, clips, windshield wipers, screws, bolts, and inside A-pillar moldings and lower headliners in preparation for installation or repair work.
- Install rubber channeling strips around edges of glass or frames to weatherproof windows or to prevent rattling.
- Disassemble and repair mechanical control devices or valves, such as regulators, thermostats, or hydrants, using power tools, hand tools, and cutting torches.
- Dismantle meters, and replace or adjust defective parts such as cases, shafts, gears, disks, and recording mechanisms, using soldering irons and hand tools.
- Repair leaks in valve seats or bellows of automotive heater thermostats, using soft solder, flux, and acetylene torches.
- Recondition displacement type gas meters and governors, fabricating, machining, or modifying parts needed for repairs.
- Disconnect or remove defective or unauthorized meters, using hand tools.
- Reassemble repaired equipment, and solder top, front, and back case panels in place, using soldering guns, power tools, and hand tools.
- Record maintenance information, including test results, material usage, and repairs made.
- Lubricate wearing surfaces of mechanical parts, using oils or other lubricants.
- Calibrate instrumentation, such as meters, gauges, and regulators, for pressure, temperature, flow, and level.
- Install, inspect and test electric meters, relays, and power sources to detect causes of malfunctions and inaccuracies, using hand tools and testing equipment.
- Test valves and regulators for leaks and accurate temperature and pressure settings, using precision testing equipment.
- Record meter readings and installation data on meter cards, work orders, or field service orders, or enter data into hand-held computers.
- Turn meters on or off to establish or close service.
- Shut off service and notify repair crews when major repairs are required, such as the replacement of underground pipes or wiring.
- Install regulators and related equipment such as gas meters, odorization units, and gas pressure telemetering equipment.
- Cut seats to receive new orifices, tap inspection ports, and perform other repairs to salvage usable materials, using hand tools and machine tools.
- Turn valves to allow measured amounts of air or gas to pass through meters at specified flow rates.
- Report hazardous field situations and damaged or missing meters.
- Vary air pressure flowing into regulators and turn handles to assess functioning of valves and pistons.
- Examine valves or mechanical control device parts for defects, dents, or loose attachments, and mark malfunctioning areas of defective units.
- Mount and install meters and other electric equipment such as time clocks, transformers, and circuit breakers, using electricians' hand tools.
- Connect regulators to test stands, and turn screw adjustments until gauges indicate that inlet and outlet pressures meet specifications.
- Investigate instances of illegal tapping into service lines.
- Trace and tag meters or house lines.
- Repair electric meters and components, such as transformers and relays, and replace metering devices, dial glasses, and faulty or incorrect wiring, using hand tools.
- Replace defective parts, such as bellows, range springs, and toggle switches, and reassemble units according to blueprints, using cam presses and hand tools.
- Measure tolerances of assembled and salvageable parts for conformance to standards or specifications, using gauges, micrometers, and calipers.
- Clean internal compartments and moving parts, using rags and cleaning compounds.
- Attach air hoses to meter inlets, plug outlets, and observe gauges for pressure losses to test internal seams for leaks.
- Make adjustments to meter components, such as setscrews or timing mechanisms, so that they conform to specifications.
- Recommend and write up specifications for changes in hardware, such as house wiring.
- Clamp regulator units into vises on stages above water tanks, and attach compressed air hoses to intake ports.
- Collect money due on delinquent accounts.
- Splice and connect cables from meters or current transformers to pull boxes or switchboards, using hand tools.
- Attach pressurized meters to fixtures which submerge them in water, and observe meters for leaks.
- Advise customers on proper installation of valves or regulators and related equipment.
- Calibrate thermostats for specified temperature or pressure settings.
- Clean plant growth, scale, paint, soil, or rust from meter housings, using wire brushes, scrapers, buffers, sandblasters, or cleaning compounds.
- Connect hoses from provers to meter inlets and outlets, and raise prover bells until prover gauges register zero.
- Disassemble and repair mechanical control devices or valves, such as regulators, thermostats, or hydrants, using power tools, hand tools, and cutting torches.
- Dismantle meters, and replace or adjust defective parts such as cases, shafts, gears, disks, and recording mechanisms, using soldering irons and hand tools.
- Repair leaks in valve seats or bellows of automotive heater thermostats, using soft solder, flux, and acetylene torches.
- Recondition displacement type gas meters and governors, fabricating, machining, or modifying parts needed for repairs.
- Disconnect or remove defective or unauthorized meters, using hand tools.
- Reassemble repaired equipment, and solder top, front, and back case panels in place, using soldering guns, power tools, and hand tools.
- Set starter locks and align and repair steering or throttle controls, using gauges, screwdrivers, or wrenches.
- Disassemble and inspect motors to locate defective parts, using mechanic's hand tools and gauges.
- Repair engine mechanical equipment, such as power tilts, bilge pumps, or power take-offs.
- Inspect and repair or adjust propellers or propeller shafts.
- Start motors and monitor performance for signs of malfunctioning, such as smoke, excessive vibration, or misfiring.
- Document inspection and test results and work performed or to be performed.
- Mount motors to boats, and operate boats at various speeds on waterways to conduct operational tests.
- Perform routine engine maintenance on motorboats, such as changing oil and filters.
- Replace parts, such as gears, magneto points, piston rings, or spark plugs, and reassemble engines.
- Idle motors and observe thermometers to determine the effectiveness of cooling systems.
- Adjust carburetor mixtures, electrical point settings, or timing while motors are running in water-filled test tanks.
- Adjust generators and replace faulty wiring, using hand tools and soldering irons.
- Repair or rework parts, using machine tools such as lathes, mills, drills, or grinders.
- Set starter locks and align and repair steering or throttle controls, using gauges, screwdrivers, or wrenches.
- Disassemble and inspect motors to locate defective parts, using mechanic's hand tools and gauges.
- Repair engine mechanical equipment, such as power tilts, bilge pumps, or power take-offs.
- Inspect and repair or adjust propellers or propeller shafts.
- Dismantle defective machines for repair, using hand tools.
- Test and replace electrical components and wiring, using test meters, soldering equipment, and hand tools.
- Maintain, repair, and overhaul farm machinery and vehicles, such as tractors, harvesters, and irrigation systems.
- Reassemble machines and equipment following repair, testing operation and making adjustments, as necessary.
- Record details of repairs made and parts used.
- Clean and lubricate parts.
- Tune or overhaul engines.
- Examine and listen to equipment, read inspection reports, and confer with customers to locate and diagnose malfunctions.
- Repair or replace defective parts, using hand tools, milling and woodworking machines, lathes, welding equipment, grinders, or saws.
- Drive trucks to haul tools and equipment for on-site repair of large machinery.
- Fabricate new metal parts, using drill presses, engine lathes, and other machine tools.
- Repair bent or torn sheet metal.
- Calculate bills according to record of repairs made, labor time, and parts used.
- Install and repair agricultural irrigation, plumbing, and sprinkler systems.
- Dismantle defective machines for repair, using hand tools.
- Test and replace electrical components and wiring, using test meters, soldering equipment, and hand tools.
- Maintain, repair, and overhaul farm machinery and vehicles, such as tractors, harvesters, and irrigation systems.
- Reassemble machines and equipment following repair, testing operation and making adjustments, as necessary.
- Dismantle machines, equipment, or devices to access and remove defective parts, using hoists, cranes, hand tools, or power tools.
- Perform routine maintenance on boilers, such as replacing burners or hoses, installing replacement parts, or reinforcing structural weaknesses to ensure optimal boiler efficiency.
- Assemble, install, or repair wiring, electrical or electronic components, pipe systems, plumbing, machinery, or equipment.
- Assemble boilers at installation sites, using tools such as levels, plumb bobs, hammers, torches, or other hand tools.
- Perform routine maintenance, such as inspecting drives, motors, or belts, checking fluid levels, replacing filters, or doing other preventive maintenance actions.
- Inspect, operate, or test machinery or equipment to diagnose machine malfunctions.
- Adjust functional parts of devices or control instruments, using hand tools, levels, plumb bobs, or straightedges.
- Order parts, supplies, or equipment from catalogs or suppliers.
- Diagnose mechanical problems and determine how to correct them, checking blueprints, repair manuals, or parts catalogs, as necessary.
- Design new equipment to aid in the repair or maintenance of machines, mechanical equipment, or building structures.
- Clean or lubricate shafts, bearings, gears, or other parts of machinery.
- Estimate costs to repair machinery, equipment, or building structures.
- Align and balance new equipment after installation.
- Record type and cost of maintenance or repair work.
- Maintain or repair specialized equipment or machinery located in cafeterias, laundries, hospitals, stores, offices, or factories.
- Plan and lay out repair work, using diagrams, drawings, blueprints, maintenance manuals, or schematic diagrams.
- Install equipment to improve the energy or operational efficiency of residential or commercial buildings.
- Set up and operate machine tools to repair or fabricate machine parts, jigs, fixtures, or tools.
- Perform general cleaning of buildings or properties.
- Train or manage maintenance personnel or subcontractors.
- Fabricate or repair counters, benches, partitions, or other wooden structures, such as sheds or outbuildings.
- Paint or repair roofs, windows, doors, floors, woodwork, plaster, drywall, or other parts of building structures.
- Test and treat water supply.
- Provide groundskeeping services, such as landscaping or snow removal.
- Operate cutting torches or welding equipment to cut or join metal parts.
- Inspect used parts to determine changes in dimensional requirements, using rules, calipers, micrometers, or other measuring instruments.
- Lay brick to repair or maintain buildings, walls, arches, or other structures.
- Position, attach, or blow insulating materials to prevent energy losses from buildings, pipes, or other structures or objects.
- Grind and reseat valves, using valve-grinding machines.
- Repair machines, equipment, or structures, using tools such as hammers, hoists, saws, drills, wrenches, or equipment such as precision measuring instruments or electrical or electronic testing devices.
- Dismantle machines, equipment, or devices to access and remove defective parts, using hoists, cranes, hand tools, or power tools.
- Perform routine maintenance on boilers, such as replacing burners or hoses, installing replacement parts, or reinforcing structural weaknesses to ensure optimal boiler efficiency.
- Assemble, install, or repair wiring, electrical or electronic components, pipe systems, plumbing, machinery, or equipment.
- Assemble boilers at installation sites, using tools such as levels, plumb bobs, hammers, torches, or other hand tools.
- Dismantle machines and remove parts for repair, using hand tools, chain falls, jacks, cranes, or hoists.
- Install, replace, or change machine parts and attachments, according to production specifications.
- Reassemble machines after the completion of repair or maintenance work.
- Start machines and observe mechanical operation to determine efficiency and to detect problems.
- Read work orders and specifications to determine machines and equipment requiring repair or maintenance.
- Inspect or test damaged machine parts, and mark defective areas or advise supervisors of repair needs.
- Collaborate with other workers to repair or move machines, machine parts, or equipment.
- Inventory and requisition machine parts, equipment, and other supplies so that stock can be maintained and replenished.
- Record production, repair, and machine maintenance information.
- Set up and operate machines, and adjust controls to regulate operations.
- Lubricate or apply adhesives or other materials to machines, machine parts, or other equipment according to specified procedures.
- Collect and discard worn machine parts and other refuse to maintain machinery and work areas.
- Clean machines and machine parts, using cleaning solvents, cloths, air guns, hoses, vacuums, or other equipment.
- Transport machine parts, tools, equipment, and other material between work areas and storage, using cranes, hoists, or dollies.
- Replace, empty, or replenish machine and equipment containers such as gas tanks or boxes.
- Replace or repair metal, wood, leather, glass, or other lining in machines, or in equipment compartments or containers.
- Remove hardened material from machines or machine parts, using abrasives, power and hand tools, jackhammers, sledgehammers, or other equipment.
- Measure, mix, prepare, and test chemical solutions used to clean or repair machinery and equipment.
- Dismantle machines and remove parts for repair, using hand tools, chain falls, jacks, cranes, or hoists.
- Install, replace, or change machine parts and attachments, according to production specifications.
- Reassemble machines after the completion of repair or maintenance work.
- Install or replace machinery, equipment, and new or replacement parts and instruments, using hand or power tools.
- Disassemble broken or defective equipment to facilitate repair and reassemble equipment when repairs are complete.
- Examine and test machinery, equipment, components, and parts for defects to ensure proper functioning.
- Tend and observe equipment and machinery to verify efficient and safe operation.
- Adjust, connect, or disconnect wiring, piping, tubing, and other parts, using hand or power tools.
- Clean or lubricate vehicles, machinery, equipment, instruments, tools, work areas, and other objects, using hand tools, power tools, and cleaning equipment.
- Diagnose electrical problems and install and rewire electrical components.
- Position vehicles, machinery, equipment, physical structures, and other objects for assembly or installation, using hand tools, power tools, and moving equipment.
- Transfer tools, parts, equipment, and supplies to and from work stations and other areas.
- Adjust, maintain, and repair tools, equipment, and machines, and assist more skilled workers with similar tasks.
- Order new parts to maintain inventory.
- Apply protective materials to equipment, components, and parts to prevent defects and corrosion.
- Design, weld, and fabricate parts, using blueprints or other mechanical plans.
- Assemble and maintain physical structures, using hand or power tools.
- Prepare work stations for use by mechanics and repairers.
- Hold or supply tools, parts, equipment, and supplies for other workers.
- Install or replace machinery, equipment, and new or replacement parts and instruments, using hand or power tools.
- Disassemble broken or defective equipment to facilitate repair and reassemble equipment when repairs are complete.
- Separate tubed tires from wheels, using rubber mallets and metal bars or mechanical tire changers.
- Remount wheels onto vehicles.
- Unbolt and remove wheels from vehicles, using lug wrenches or other hand or power tools.
- Replace valve stems and remove puncturing objects.
- Hammer required counterweights onto rims of wheels.
- Reassemble tires onto wheels.
- Seal punctures in tubeless tires by inserting adhesive material and expanding rubber plugs into punctures, using hand tools.
- Glue tire patches over ruptures in tire casings, using rubber cement.
- Rotate tires to different positions on vehicles, using hand tools.
- Roll new rubber treads, known as camelbacks, over tire casings and mold the semi-raw rubber treads onto the buffed casings.
- Apply rubber cement to buffed tire casings prior to vulcanization process.
- Patch tubes with adhesive rubber patches or seal rubber patches to tubes, using hot vulcanizing plates.
- Place tire casings and tread rubber assemblies in tire molds for the vulcanization process and exert pressure to ensure good adhesion.
- Raise vehicles, using hydraulic jacks.
- Place wheels on balancing machines to determine counterweights required to balance wheels.
- Identify tire size and ply and inflate tires accordingly.
- 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.
- Assist mechanics and perform various mechanical duties, such as changing oil or checking and replacing batteries.
- Clean and tidy up the shop.
- Buff defective areas of inner tubes, using scrapers.
- Order replacements for tires or tubes.
- Inflate inner tubes and immerse them in water to locate leaks.
- Clean sides of whitewall tires.
- Prepare rims and wheel drums for reassembly by scraping, grinding, or sandblasting.
- Drive automobile or service trucks to industrial sites to provide services or respond to emergency calls.
- Separate tubed tires from wheels, using rubber mallets and metal bars or mechanical tire changers.
- Remount wheels onto vehicles.
- Unbolt and remove wheels from vehicles, using lug wrenches or other hand or power tools.
- Replace valve stems and remove puncturing objects.
- Hammer required counterweights onto rims of wheels.
- Reassemble tires onto wheels.
- Seal punctures in tubeless tires by inserting adhesive material and expanding rubber plugs into punctures, using hand tools.
- Glue tire patches over ruptures in tire casings, using rubber cement.
- Rotate tires to different positions on vehicles, using hand tools.
- Roll new rubber treads, known as camelbacks, over tire casings and mold the semi-raw rubber treads onto the buffed casings.
- Apply rubber cement to buffed tire casings prior to vulcanization process.
- Patch tubes with adhesive rubber patches or seal rubber patches to tubes, using hot vulcanizing plates.
- Place tire casings and tread rubber assemblies in tire molds for the vulcanization process and exert pressure to ensure good adhesion.
- Disassemble axles to repair, adjust, and replace defective parts, using hand tools.
- Install and adjust brakes and brake pads.
- Assemble new bicycles.
- Install, repair, and replace equipment or accessories, such as handlebars, stands, lights, and seats.
- Install new tires and tubes.
- Install and adjust speed and gear mechanisms.
- Build wheels by cutting and threading new spokes.
- Repair holes in tire tubes, using scrapers and patches.
- Help customers select bicycles that fit their body sizes and intended bicycle uses.
- Align wheels.
- Sell bicycles and accessories.
- Clean and lubricate bicycle parts.
- Order bicycle parts.
- Shape replacement parts, using bench grinders.
- Weld broken or cracked frames together, using oxyacetylene torches and welding rods.
- Paint bicycle frames, using spray guns or brushes.
- Disassemble axles to repair, adjust, and replace defective parts, using hand tools.
- Install and adjust brakes and brake pads.
- Assemble new bicycles.
- Install, repair, and replace equipment or accessories, such as handlebars, stands, lights, and seats.
- Install new tires and tubes.
- Install and adjust speed and gear mechanisms.
- Build wheels by cutting and threading new spokes.
- Repair holes in tire tubes, using scrapers and patches.
- Disassemble instruments and parts for repair and adjustment.
- Reassemble instruments following repair, using hand tools and power tools and glue, hair, yarn, resin, or clamps, and lubricate instruments as necessary.
- Assemble and install new pipe organs and pianos in buildings.
- Remove drumheads by removing tension rods with drum keys and cutting tools.
- Place rim hoops back onto drum shells to allow new drumheads to dry and become taut.
- Assemble bars onto percussion instruments.
- Stretch drumheads over rim hoops and tuck them around and under the hoops, using hand tucking tools.
- Remove material from bars of percussion instruments to obtain specified tones, using bandsaws, sanding machines, machine grinders, or hand files and scrapers.
- Play instruments to evaluate their sound quality and to locate any defects.
- 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.
- Inspect instruments to locate defects, and to determine their value or the level of restoration required.
- Compare instrument pitches with tuning tool pitches to tune instruments.
- String instruments, and adjust trusses and bridges of instruments to obtain specified string tensions and heights.
- Polish instruments, using rags and polishing compounds, buffing wheels, or burnishing tools.
- Repair cracks in wood or metal instruments, using pinning wire, lathes, fillers, clamps, or soldering irons.
- Mix and measure glue that will be used for instrument repair.
- Shape old parts and replacement parts to improve tone or intonation, using hand tools, lathes, or soldering irons.
- Refinish instruments to protect and decorate them, using hand tools, buffing tools, and varnish.
- Make wood replacement parts, using woodworking machines and hand tools.
- Align pads and keys on reed or wind instruments.
- Solder posts and parts to hold them in their proper places.
- Remove dents and burrs from metal instruments, using mallets and burnishing tools.
- Test tubes and pickups in electronic amplifier units, and solder parts and connections as necessary.
- Adjust felt hammers on pianos to increase tonal mellowness or brilliance, using sanding paddles, lacquer, or needles.
- Remove irregularities from tuning pins, strings, and hammers of pianos, using wood blocks or filing tools.
- Strike wood, fiberglass, or metal bars of instruments, and use tuned blocks, stroboscopes, or electronic tuners to evaluate tones made by instruments.
- Wash metal instruments in lacquer-stripping and cyanide solutions to remove lacquer and tarnish.
- Refinish and polish piano cabinets or cases to prepare them for sale.
- Deliver pianos to purchasers or to locations of their use.
- Solder or weld frames of mallet instruments and metal drum parts.
- Repair breaks in percussion instruments, such as drums and cymbals, using drill presses, power saws, glue, clamps, grinding wheels, or other hand tools.
- Cut new drumheads from animal skins, using scissors, and soak drumheads in water to make them pliable.
- Cut out sections around cracks on percussion instruments to prevent cracks from advancing, using shears or grinding wheels.
- Clean, sand, and paint parts of percussion instruments to maintain their condition.
- File metal reeds until their pitches correspond with standard tuning bar pitches.
- Replace xylophone bars and wheels.
- Disassemble instruments and parts for repair and adjustment.
- Reassemble instruments following repair, using hand tools and power tools and glue, hair, yarn, resin, or clamps, and lubricate instruments as necessary.
- Assemble and install new pipe organs and pianos in buildings.
- Remove drumheads by removing tension rods with drum keys and cutting tools.
- Place rim hoops back onto drum shells to allow new drumheads to dry and become taut.
- Assemble bars onto percussion instruments.
- Stretch drumheads over rim hoops and tuck them around and under the hoops, using hand tucking tools.
- Remove material from bars of percussion instruments to obtain specified tones, using bandsaws, sanding machines, machine grinders, or hand files and scrapers.
- Remove damaged sections of vehicles using metal-cutting guns, air grinders and wrenches, and install replacement parts using wrenches or welding equipment.
- Fit and weld replacement parts into place, using wrenches and welding equipment, and grind down welds to smooth them, using power grinders and other tools.
- Remove upholstery, accessories, electrical window-and-seat-operating equipment, and trim to gain access to vehicle bodies and fenders.
- Fit and secure windows, vinyl roofs, and metal trim to vehicle bodies, using caulking guns, adhesive brushes, and mallets.
- Replace damaged glass on vehicles.
- Remove damaged panels, and identify the family and properties of the plastic used on a vehicle.
- File, grind, sand, and smooth filled or repaired surfaces, using power tools and hand tools.
- Inspect repaired vehicles for proper functioning, completion of work, dimensional accuracy, and overall appearance of paint job, and test-drive vehicles to ensure proper alignment and handling.
- Prime and paint repaired surfaces, using paint sprayguns and motorized sanders.
- Follow supervisors' instructions as to which parts to restore or replace and how much time the job should take.
- Sand body areas to be painted and cover bumpers, windows, and trim with masking tape or paper to protect them from the paint.
- Chain or clamp frames and sections to alignment machines that use hydraulic pressure to align damaged components.
- Position dolly blocks against surfaces of dented areas and beat opposite surfaces to remove dents, using hammers.
- Cut and tape plastic separating film to outside repair areas to avoid damaging surrounding surfaces during repair procedure and remove tape and wash surfaces after repairs are complete.
- Review damage reports, prepare or review repair cost estimates, and plan work to be performed.
- Fill small dents that cannot be worked out with plastic or solder.
- Remove small pits and dimples in body metal, using pick hammers and punches.
- Mix polyester resins and hardeners to be used in restoring damaged areas.
- Adjust or align headlights, wheels, and brake systems.
- Apply heat to plastic panels, using hot-air welding guns or immersion in hot water, and press the softened panels back into shape by hand.
- Clean work areas, using air hoses, to remove damaged material and discarded fiberglass strips used in repair procedures.
- Soak fiberglass matting in resin mixtures and apply layers of matting over repair areas to specified thicknesses.
- Read specifications or confer with customers to determine the desired custom modifications for altering the appearance of vehicles.
- Cut openings in vehicle bodies for the installation of customized windows, using templates and power shears or chisels.
- Measure and mark vinyl material and cut material to size for roof installation, using rules, straightedges, and hand shears.
- Remove damaged sections of vehicles using metal-cutting guns, air grinders and wrenches, and install replacement parts using wrenches or welding equipment.
- Fit and weld replacement parts into place, using wrenches and welding equipment, and grind down welds to smooth them, using power grinders and other tools.
- Remove upholstery, accessories, electrical window-and-seat-operating equipment, and trim to gain access to vehicle bodies and fenders.
- Fit and secure windows, vinyl roofs, and metal trim to vehicle bodies, using caulking guns, adhesive brushes, and mallets.
- Replace damaged glass on vehicles.
- Remove damaged panels, and identify the family and properties of the plastic used on a vehicle.
- Install and align repaired or replacement parts for subsequent riveting or welding, using clamps and wrenches.
- Assemble and install electrical, plumbing, mechanical, hydraulic, and structural components and accessories, using hand or power tools.
- Reassemble engines following repair or inspection and reinstall engines in aircraft.
- Remove or cut out defective parts or drill holes to gain access to internal defects or damage, using drills and punches.
- Disassemble engines and inspect parts, such as turbine blades or cylinders, for corrosion, wear, warping, cracks, and leaks, using precision measuring instruments, x-rays, and magnetic inspection equipment.
- Remove, inspect, repair, and install in-flight refueling stores and external fuel tanks.
- 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.
- Inspect completed work to certify that maintenance meets standards and that aircraft are ready for operation.
- Read and interpret maintenance manuals, service bulletins, and other specifications to determine the feasibility and method of repairing or replacing malfunctioning or damaged components.
- Maintain repair logs, documenting all preventive and corrective aircraft maintenance.
- Modify aircraft structures, space vehicles, systems, or components, following drawings, schematics, charts, engineering orders, and technical publications.
- Inspect airframes for wear or other defects.
- Measure parts for wear, using precision instruments.
- Obtain fuel and oil samples and check them for contamination.
- 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.
- Read and interpret pilots' descriptions of problems to diagnose causes.
- Test operation of engines and other systems, using test equipment, such as ignition analyzers, compression checkers, distributor timers, or ammeters.
- Measure the tension of control cables.
- Spread plastic film over areas to be repaired to prevent damage to surrounding areas.
- Remove or install aircraft engines, using hoists or forklift trucks.
- Locate and mark dimensions and reference lines on defective or replacement parts, using templates, scribes, compasses, and steel rules.
- Fabricate defective sections or parts, using metal fabricating machines, saws, brakes, shears, and grinders.
- Service and maintain aircraft and related apparatus by performing activities such as flushing crankcases, cleaning screens, and or moving parts.
- Clean, refuel, and change oil in line service aircraft.
- Trim and shape replacement body sections to specified sizes and fits and secure sections in place, using adhesives, hand tools, and power tools.
- Accompany aircraft on flights to make in-flight adjustments and corrections.
- Inventory and requisition or order supplies, parts, materials, and equipment.
- Clean, strip, prime, and sand structural surfaces and materials to prepare them for bonding.
- Communicate with other workers to coordinate fitting and alignment of heavy parts, or to facilitate processing of repair parts.
- 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.
- Check for corrosion, distortion, and invisible cracks in the fuselage, wings, and tail, using x-ray and magnetic inspection equipment.
- Cure bonded structures, using portable or stationary curing equipment.
- Listen to operating engines to detect and diagnose malfunctions, such as sticking or burned valves.
- Clean engines, sediment bulk and screens, and carburetors, adjusting carburetor float levels.
- Determine repair limits for engine hot section parts.
- Prepare and paint aircraft surfaces.
- Install and align repaired or replacement parts for subsequent riveting or welding, using clamps and wrenches.
- Assemble and install electrical, plumbing, mechanical, hydraulic, and structural components and accessories, using hand or power tools.
- Reassemble engines following repair or inspection and reinstall engines in aircraft.
- Remove or cut out defective parts or drill holes to gain access to internal defects or damage, using drills and punches.
- Disassemble engines and inspect parts, such as turbine blades or cylinders, for corrosion, wear, warping, cracks, and leaks, using precision measuring instruments, x-rays, and magnetic inspection equipment.
- Remove, inspect, repair, and install in-flight refueling stores and external fuel tanks.
- Disassemble defective equipment so that repairs can be made, using hand tools.
- Reassemble repaired electric motors to specified requirements and ratings, using hand tools and electrical meters.
- Repair and rebuild defective mechanical parts in electric motors, generators, and related equipment, using hand tools and power tools.
- Assemble electrical parts such as alternators, generators, starting devices, and switches, following schematic drawings and using hand, machine, and power tools.
- Remove and replace defective parts such as coil leads, carbon brushes, and wires, using soldering equipment.
- Bolt porcelain insulators to wood parts to assemble hot stools.
- Inspect and test equipment to locate damage or worn parts and diagnose malfunctions, or read work orders or schematic drawings to determine required repairs.
- Measure velocity, horsepower, revolutions per minute (rpm), amperage, circuitry, and voltage of units or parts to diagnose problems, using ammeters, voltmeters, wattmeters, and other testing devices.
- Lift units or parts such as motors or generators, using cranes or chain hoists, or signal crane operators to lift heavy parts or subassemblies.
- Record repairs required, parts used, and labor time.
- Adjust working parts, such as fan belts, contacts, and springs, using hand tools and gauges.
- Lubricate moving parts.
- Read service guides to find information needed to perform repairs.
- Inspect electrical connections, wiring, relays, charging resistance boxes, and storage batteries, following wiring diagrams.
- Scrape and clean units or parts, using cleaning solvents and equipment such as buffing wheels.
- Weld, braze, or solder electrical connections.
- Verify and adjust alignments and dimensions of parts, using gauges and tracing lathes.
- Steam-clean polishing and buffing wheels to remove abrasives and bonding materials, and spray, brush, or recoat surfaces as necessary.
- Set machinery for proper performance, using computers.
- Test equipment for overheating, using speed gauges and thermometers.
- Reface, ream, and polish commutators and machine parts to specified tolerances, using machine tools.
- Maintain stocks of parts.
- Cut and form insulation, and insert insulation into armature, rotor, or stator slots.
- Solder, wrap, and coat wires to ensure proper insulation.
- Rewire electrical systems, and repair or replace electrical accessories.
- Clean cells, cell assemblies, glassware, leads, electrical connections, and battery poles, using scrapers, steam, water, emery cloths, power grinders, or acid.
- Rewind coils on cores in slots, or make replacement coils, using coil-winding machines.
- Test conditions, fluid levels, and specific gravities of electrolyte cells, using voltmeters, hydrometers, and thermometers.
- Add water or acid to battery cell solutions to obtain specified concentrations.
- Pour compounds into transformer-case terminal openings to seal out moisture.
- Hammer out dents and twists in tools and equipment.
- Drain and filter transformer oil and refill transformers with oil until coils are submerged.
- Seal joints with putty, mortar, and asbestos, using putty extruders and knives.
- Repair and operate battery-charging equipment.
- Sharpen tools such as saws, picks, shovels, screwdrivers, and scoops, either manually or by using bench grinders and emery wheels.
- Inspect batteries for structural defects such as dented cans, damaged carbon rods and terminals, and defective seals.
- Test battery charges, and replace or recharge batteries as necessary.
- Position and level battery cells, anodes, or cathodes, using hoists or leveling jacks, or signal other workers to perform positioning and leveling.
- Clean, rinse, and dry transformer cases, using boiling water, scrapers, solvents, hoses, and cloths.
- Disassemble defective equipment so that repairs can be made, using hand tools.
- Reassemble repaired electric motors to specified requirements and ratings, using hand tools and electrical meters.
- Repair and rebuild defective mechanical parts in electric motors, generators, and related equipment, using hand tools and power tools.
- Assemble electrical parts such as alternators, generators, starting devices, and switches, following schematic drawings and using hand, machine, and power tools.
- Remove and replace defective parts such as coil leads, carbon brushes, and wires, using soldering equipment.
- Bolt porcelain insulators to wood parts to assemble hot stools.
- Disassemble mechanical or electrical locking devices, and repair or replace worn tumblers, springs, and other parts, using hand tools.
- Move picklocks in cylinders to open door locks without keys.
- Install alarm and electronic access systems.
- Unlock cars and other vehicles.
- Cut new or duplicate keys, using key cutting machines.
- Cut new or duplicate keys, using impressions or code key machines.
- Open safe locks by drilling.
- Install door hardware, such as locks and closers.
- Insert new or repaired tumblers into locks to change combinations.
- Set up and maintain master key systems.
- Keep records of company locks and keys.
- Repair and adjust safes, vault doors, and vault components, using hand tools, lathes, drill presses, and welding and acetylene cutting apparatus.
- Install safes, vault doors, and deposit boxes according to blueprints, using equipment such as power drills, taps, dies, truck cranes, and dollies.
- Remove interior and exterior finishes on safes and vaults, and spray on new finishes.
- Disassemble mechanical or electrical locking devices, and repair or replace worn tumblers, springs, and other parts, using hand tools.
- Move picklocks in cylinders to open door locks without keys.
- Install alarm and electronic access systems.
- Unlock cars and other vehicles.
- Remove engines from equipment, and position and bolt engines to repair stands.
- 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.
- Reassemble engines after repair or maintenance work is complete.
- Record repairs made, time spent, and parts used.
- Test and inspect engines to determine malfunctions, to locate missing and broken parts, and to verify repairs, using diagnostic instruments.
- Adjust points, valves, carburetors, distributors, and spark plug gaps, using feeler gauges.
- Repair or replace defective parts such as magnetos, water pumps, gears, pistons, and carburetors, using hand tools.
- Perform routine maintenance such as cleaning and oiling parts, honing cylinders, and tuning ignition systems.
- Replace motors.
- Obtain problem descriptions from customers, and prepare cost estimates for repairs.
- Show customers how to maintain equipment.
- Sell parts and equipment.
- Grind, ream, rebore, and re-tap parts to obtain specified clearances, using grinders, lathes, taps, reamers, boring machines, and micrometers.
- Remove engines from equipment, and position and bolt engines to repair stands.
- 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.
- Reassemble engines after repair or maintenance work is complete.
- Remove or disassemble defective automatic mechanical door closers, using hand tools.
- Wind large springs with upward motion of arm.
- Fasten angle iron back-hangers to ceilings and tracks, using fasteners or welding equipment.
- Set in and secure floor treadles for door-activating mechanisms, and connect power packs and electrical panelboards to treadles.
- Adjust doors to open or close with the correct amount of effort, or make simple adjustments to electric openers.
- Carry springs to tops of doors, using ladders or scaffolding, and attach springs to tracks to install spring systems.
- Repair or replace worn or broken door parts, using hand tools.
- Complete required paperwork, such as work orders, according to services performed or required.
- Collect payment upon job completion.
- Install door frames, rails, steel rolling curtains, electronic-eye mechanisms, or electric door openers and closers, using power tools, hand tools, and electronic test equipment.
- Inspect job sites, assessing headroom, side room, or other conditions to determine appropriateness of door for a given location.
- Assemble and fasten tracks to structures or bucks, using impact wrenches or welding equipment.
- Set doors into place or stack hardware sections into openings after rail or track installation.
- Operate lifts, winches, or chain falls to move heavy curtain doors.
- Fabricate replacements for worn or broken parts, using welders, lathes, drill presses, or shaping or milling machines.
- Prepare doors for hardware installation, such as drilling holes to install locks.
- Run low voltage wiring on ceiling surfaces, using insulated staples.
- Cut door stops or angle irons to fit openings.
- Study blueprints and schematic diagrams to determine appropriate methods of installing or repairing automated door openers.
- Install dock seals, bumpers, or shelters.
- Order replacement springs, sections, or slats.
- Lubricate door closer oil chambers, and pack spindles with leather washers.
- Cover treadles with carpeting or other floor covering materials, and test systems by operating treadles.
- Bore or cut holes in flooring as required for installation, using hand or power tools.
- Clean door closer parts, using caustic soda, rotary brushes, or grinding wheels.
- Remove or disassemble defective automatic mechanical door closers, using hand tools.
- Wind large springs with upward motion of arm.
- Fasten angle iron back-hangers to ceilings and tracks, using fasteners or welding equipment.
- Set in and secure floor treadles for door-activating mechanisms, and connect power packs and electrical panelboards to treadles.
- Adjust, repair, or replace malfunctioning components or assemblies, using hand tools or soldering irons.
- Assemble components such as switches, electrical controls, and junction boxes, using hand tools or soldering irons.
- Assemble prototypes or models of circuits, instruments, and systems for use in testing.
- Test and troubleshoot instruments, components, and assemblies, using circuit testers, oscilloscopes, or voltmeters.
- Keep records of maintenance and repair work.
- Install electrical and electronic components, assemblies, and systems in aircraft, using hand tools, power tools, or soldering irons.
- Set up and operate ground support and test equipment to perform functional flight tests of electrical and electronic systems.
- Lay out installation of aircraft assemblies and systems, following documentation such as blueprints, manuals, and wiring diagrams.
- Connect components to assemblies such as radio systems, instruments, magnetos, inverters, and in-flight refueling systems, using hand tools and soldering irons.
- Interpret flight test data to diagnose malfunctions and systemic performance problems.
- Coordinate work with that of engineers, technicians, and other aircraft maintenance personnel.
- Fabricate parts and test aids as required.
- Operate computer-aided drafting and design applications to design avionics system modifications.
- Adjust, repair, or replace malfunctioning components or assemblies, using hand tools or soldering irons.
- Assemble components such as switches, electrical controls, and junction boxes, using hand tools or soldering irons.
- Assemble prototypes or models of circuits, instruments, and systems for use in testing.
- Disassemble units to replace parts or to crate them for shipping.
- Assemble parts or units, and position, align, and fasten units to assemblies, subassemblies, or frames, using hand tools and power tools.
- Pack or fold insulation between panels.
- Inspect, test, and adjust completed units to ensure that units meet specifications, tolerances, and customer order requirements.
- Position, align, and adjust parts for proper fit and assembly.
- Connect cables, tubes, and wiring, according to specifications.
- Measure parts to determine tolerances, using precision measuring instruments such as micrometers, calipers, and verniers.
- Read blueprints and specifications to determine component parts and assembly sequences of electromechanical units.
- Attach name plates and mark identifying information on parts.
- File, lap, and buff parts to fit, using hand and power tools.
- Clean and lubricate parts and subassemblies, using grease paddles or oilcans.
- Operate or tend automated assembling equipment, such as robotics and fixed automation equipment.
- Drill, tap, ream, countersink, and spot-face bolt holes in parts, using drill presses and portable power drills.
- Operate small cranes to transport or position large parts.
- Disassemble units to replace parts or to crate them for shipping.
- Assemble parts or units, and position, align, and fasten units to assemblies, subassemblies, or frames, using hand tools and power tools.
- Pack or fold insulation between panels.
- Remove damaged exterior panels, and repair and replace structural frame members.
- Inspect recreational vehicles to diagnose problems and perform necessary adjustment, repair, or overhaul.
- Reset hardware, using chisels, mallets, and screwdrivers.
- Explain proper operation of vehicle systems to customers.
- Locate and repair frayed wiring, broken connections, or incorrect wiring, using ohmmeters, soldering irons, tape, or hand tools.
- Repair plumbing or propane gas lines, using caulking compounds and plastic or copper pipe.
- Confer with customers, read work orders, or examine vehicles needing repair to determine the nature and extent of damage.
- Examine or test operation of parts or systems to ensure completeness of repairs.
- Connect electrical systems to outside power sources, and activate switches to test the operation of appliances or light fixtures.
- Connect water hoses to inlet pipes of plumbing systems, and test operation of toilets or sinks.
- Inspect, repair, or replace brake systems.
- Diagnose and repair furnace or air conditioning systems.
- Repair leaks with caulking compound or replace pipes, using pipe wrenches.
- List parts needed, estimate costs, and plan work procedures, using parts lists, technical manuals, or diagrams.
- Open and close doors, windows, or drawers to test their operation, trimming edges to fit, as necessary.
- Refinish wood surfaces on cabinets, doors, moldings, or floors, using power sanders, putty, spray equipment, brushes, paints, or varnishes.
- Seal open sides of modular units to prepare them for shipment, using polyethylene sheets, nails, and hammers.
- Remove damaged exterior panels, and repair and replace structural frame members.
- Inspect recreational vehicles to diagnose problems and perform necessary adjustment, repair, or overhaul.
- Reset hardware, using chisels, mallets, and screwdrivers.
- Dismantle machines or equipment, using hand tools or power tools to examine parts for defects and replace defective parts where needed.
- Fit and assemble parts to make or repair machine tools.
- Install experimental parts or assemblies, such as hydraulic systems, electrical wiring, lubricants, or batteries into machines or mechanisms.
- Calculate dimensions or tolerances, using instruments, such as micrometers or vernier calipers.
- Machine parts to specifications, using machine tools, such as lathes, milling machines, shapers, or grinders.
- Measure, examine, or test completed units to check for defects and ensure conformance to specifications, using precision instruments, such as micrometers.
- Set up, adjust, or operate basic or specialized machine tools used to perform precision machining operations.
- Program computers or electronic instruments, such as numerically controlled machine tools.
- Study sample parts, blueprints, drawings, or engineering information to determine methods or sequences of operations needed to fabricate products.
- Monitor the feed and speed of machines during the machining process.
- Maintain machine tools in proper operational condition.
- Align and secure holding fixtures, cutting tools, attachments, accessories, or materials onto machines.
- Confer with numerical control programmers to check and ensure that new programs or machinery will function properly and that output will meet specifications.
- Operate equipment to verify operational efficiency.
- Evaluate machining procedures and recommend changes or modifications for improved efficiency or adaptability.
- Diagnose machine tool malfunctions to determine need for adjustments or repairs.
- Design fixtures, tooling, or experimental parts to meet special engineering needs.
- Dispose of scrap or waste material in accordance with company policies and environmental regulations.
- Confer with engineering, supervisory, or manufacturing personnel to exchange technical information.
- Lay out, measure, and mark metal stock to display placement of cuts.
- Separate scrap waste and related materials for reuse, recycling, or disposal.
- Check work pieces to ensure that they are properly lubricated or cooled.
- Support metalworking projects from planning and fabrication through assembly, inspection, and testing, using knowledge of machine functions, metal properties, and mathematics.
- Install repaired parts into equipment or install new equipment.
- Test experimental models under simulated operating conditions, for purposes such as development, standardization, or feasibility of design.
- Set up or operate metalworking, brazing, heat-treating, welding, or cutting equipment.
- Prepare working sketches for the illustration of product appearance.
- Establish work procedures for fabricating new structural products, using a variety of metalworking machines.
- Advise clients about the materials being used for finished products.
- Dismantle machines or equipment, using hand tools or power tools to examine parts for defects and replace defective parts where needed.
- Fit and assemble parts to make or repair machine tools.
- Install experimental parts or assemblies, such as hydraulic systems, electrical wiring, lubricants, or batteries into machines or mechanisms.
- Disassemble appliances so that problems can be diagnosed and repairs can be made.
- Reassemble units after repairs are made, making adjustments and cleaning and lubricating parts as needed.
- Assemble new or reconditioned appliances.
- Bill customers for repair work, and collect payment.
- Observe and examine appliances during operation to detect specific malfunctions such as loose parts or leaking fluid.
- Talk to customers or refer to work orders to establish the nature of appliance malfunctions.
- Refer to schematic drawings, product manuals, and troubleshooting guides to diagnose and repair problems.
- Trace electrical circuits, following diagrams, and conduct tests with circuit testers and other equipment to locate shorts and grounds.
- Replace worn and defective parts such as switches, bearings, transmissions, belts, gears, circuit boards, or defective wiring.
- Provide repair cost estimates, and recommend whether appliance repair or replacement is a better choice.
- Respond to emergency calls for problems such as gas leaks.
- Service and repair domestic electrical or gas appliances, such as clothes washers, refrigerators, stoves, and dryers.
- Record maintenance and repair work performed on appliances.
- Test and examine gas pipelines and equipment to locate leaks and faulty connections, and to determine the pressure and flow of gas.
- Light and adjust pilot lights on gas stoves, and examine valves and burners for gas leakage and specified flame.
- Instruct customers regarding operation and care of appliances, and provide information such as emergency service numbers.
- Contact supervisors or offices to receive repair assignments.
- Maintain stocks of parts used in on-site installation, maintenance, and repair of appliances.
- Level refrigerators, adjust doors, and connect water lines to water pipes for ice makers and water dispensers, using hand tools.
- Observe and test operation of appliances following installation, and make any initial installation adjustments that are necessary.
- Set appliance thermostats, and check to ensure that they are functioning properly.
- Install appliances such as refrigerators, washing machines, and stoves.
- Level washing machines and connect hoses to water pipes, using hand tools.
- Clean and reinstall parts.
- Clean, lubricate, and touch up minor defects on newly installed or repaired appliances.
- Conserve, recover, and recycle refrigerants used in cooling systems.
- Install gas pipes and water lines to connect appliances to existing gas lines or plumbing.
- Take measurements to determine if appliances will fit in installation locations, performing minor carpentry work when necessary to ensure proper installation.
- Measure, cut, and thread pipe, and connect it to feeder lines and equipment or appliances, using rules and hand tools.
- Disassemble and reinstall existing kitchen cabinets, or assemble and install prefabricated kitchen cabinets and trim in conjunction with appliance installation.
- Hang steel supports from beams or joists to hold hoses, vents, and gas pipes in place.
- Disassemble appliances so that problems can be diagnosed and repairs can be made.
- Reassemble units after repairs are made, making adjustments and cleaning and lubricating parts as needed.
- Assemble new or reconditioned appliances.
- Disassemble and assemble motors, and repair and maintain electrical components and machinery parts, using hand tools.
- Cut, strip, and bend wire leads at ends of coils, using pliers and wire scrapers.
- Operate or tend wire-coiling machines to wind wire coils used in electrical components such as resistors and transformers, and in electrical equipment and instruments such as bobbins and generators.
- Attach, alter, and trim materials such as wire, insulation, and coils, using hand tools.
- Review work orders and specifications to determine materials needed and types of parts to be processed.
- Select and load materials such as workpieces, objects, and machine parts onto equipment used in coiling processes.
- Record production and operational data on specified forms.
- Stop machines to remove completed components, using hand tools.
- Examine and test wired electrical components such as motors, armatures, and stators, using measuring devices, and record test results.
- Line slots with sheet insulation, and insert coils into slots.
- Apply solutions or paints to wired electrical components, using hand tools, and bake components.
- Disassemble and assemble motors, and repair and maintain electrical components and machinery parts, using hand tools.
- Cut, strip, and bend wire leads at ends of coils, using pliers and wire scrapers.
- Disassemble equipment to gain access to defect, using hand tools.
- Assemble aircraft cameras, still or motion picture cameras, photographic equipment, or frames, using diagrams, blueprints, bench machines, hand tools, or power tools.
- Adjust cameras, photographic mechanisms, or equipment such as range and view finders, shutters, light meters, or lens systems, using hand tools.
- Test equipment performance, focus of lens system, diaphragm alignment, lens mounts, or film transport, using precision gauges.
- Clean and lubricate cameras and polish camera lenses, using cleaning materials and work aids.
- Requisition parts or materials.
- Calibrate and verify accuracy of light meters, shutter diaphragm operation, or lens carriers, using timing instruments.
- Examine cameras, equipment, processed film, or laboratory reports to diagnose malfunction, using work aids and specifications.
- Read and interpret engineering drawings, diagrams, instructions, or specifications to determine needed repairs, fabrication method, and operation sequence.
- Measure parts to verify specified dimensions or settings, such as camera shutter speed or light meter reading accuracy, using measuring instruments.
- Fabricate or modify defective electronic, electrical, or mechanical components, using bench lathe, milling machine, shaper, grinder, or precision hand tools, according to specifications.
- Install electrical assemblies and wiring in aircraft camera housings and memory cards or film in cameras, following blueprints and using hand tools and soldering equipment.
- Record test data and document fabrication techniques on reports.
- Lay out reference points and dimensions on parts or metal stock to be machined, using precision measuring instruments.
- Recommend design changes or upgrades of microfilming, film-developing, or photographic equipment.
- Disassemble equipment to gain access to defect, using hand tools.
- Assemble aircraft cameras, still or motion picture cameras, photographic equipment, or frames, using diagrams, blueprints, bench machines, hand tools, or power tools.
- Disassemble machinery or equipment to remove parts and make repairs.
- Reassemble equipment after completion of inspections, testing, or repairs.
- Repair or maintain the operating condition of industrial production or processing machinery or equipment.
- Repair or replace broken or malfunctioning components of machinery or equipment.
- Clean, lubricate, or adjust parts, equipment, or machinery.
- Examine parts for defects, such as breakage or excessive wear.
- Record repairs and maintenance performed.
- Operate newly repaired machinery or equipment to verify the adequacy of repairs.
- Record parts or materials used and order or requisition new parts or materials, as necessary.
- Observe and test the operation of machinery or equipment to diagnose malfunctions, using voltmeters or other testing devices.
- Analyze test results, machine error messages, or information obtained from operators to diagnose equipment problems.
- Study blueprints or manufacturers' manuals to determine correct installation or operation of machinery.
- Cut and weld metal to repair broken metal parts, fabricate new parts, or assemble new equipment.
- Enter codes and instructions to program computer-controlled machinery.
- Demonstrate equipment functions and features to machine operators.
- Assign schedules to work crews.
- Disassemble machinery or equipment to remove parts and make repairs.
- Reassemble equipment after completion of inspections, testing, or repairs.
- Unload and assemble pipes and pumping equipment, using hand tools.
- Monitor pumps and flow lines for gas and fluid leaks.
- Gauge oil and gas production.
- Start compressor engines and divert oil from storage tanks into compressor units and auxiliary equipment to recover natural gas from oil.
- Monitor control panels during pumping operations to ensure that materials are being pumped at the correct pressure, density, rate, and concentration.
- Operate engines and pumps to shut off wells according to production schedules, and to switch flow of oil into storage tanks.
- Repair gas and oil meters and gauges.
- Perform routine maintenance on vehicles and equipment.
- Open valves to return compressed gas to bottoms of specified wells to repressurize them and force oil to surface.
- Prepare trucks and equipment necessary for the type of pumping service required.
- Attach pumps and hoses to wellheads.
- Mix acids, chemicals, or dry cement as required for a specific job.
- Supervise oil pumpers and other workers engaged in producing oil from wells.
- Drive trucks to transport high-pressure pumping equipment, and chemicals, fluids, or gases to be pumped into wells.
- Control pumping and blending equipment to acidize, cement, or fracture gas or oil wells and permeable rock formations.
- Change water filters.
- Unload and assemble pipes and pumping equipment, using hand tools.
- Dismantle wrecked vehicles by removing parts and labeling and sorting parts into containers.
- Remove copper from circuit boards.
- Sort materials, such as metals, glass, wood, paper or plastics, into appropriate containers for recycling.
- Clean recycling yard by sweeping, raking, picking up broken glass and loose paper debris, or moving barrels and bins.
- Operate forklifts, pallet jacks, power lifts, or front-end loaders to load bales, bundles, or other heavy items onto trucks for shipping to smelters or other recycled materials processing facilities.
- Sort metals to separate high-grade metals, such as copper, brass, and aluminum, for recycling.
- Clean, inspect, or lubricate recyclable collection equipment or perform routine maintenance or minor repairs on recycling equipment, such as star gears, finger sorters, destoners, belts, and grinders.
- Collect and sort recyclable construction materials, such as concrete, drywall, plastics, or wood, into containers.
- Extract chemicals from discarded appliances, such as air conditioners or refrigerators, using specialized machinery, such as refrigerant recovery equipment.
- Deposit recoverable materials into chutes or place materials on conveyor belts.
- Operate balers to compress recyclable materials into bundles or bales.
- Clean materials, such as metals, according to recycling requirements.
- Record logs of recycled materials or waste chemicals removed from products.
- Operate processing equipment, such as fiber-sorters and grinders, to sort, crush, or grind recyclable materials.
- Cut discarded products, such as appliances and automobiles, into small pieces using saws, blow torches, or other hand or power tools.
- Collect recyclable materials from curbside for delivery to designated facilities.
- Operate automated refuse or manual recycling collection vehicles.
- Operate shredders to reclaim steel from discarded appliances.
- Dismantle wrecked vehicles by removing parts and labeling and sorting parts into containers.
- Remove copper from circuit boards.
- Disassemble items to prepare them for finishing, using hand tools.
- Remove accessories prior to finishing, and mask areas that should not be exposed to finishing processes or substances.
- Brush, spray, or hand-rub finishing ingredients, such as paint, oil, stain, or wax, onto and into wood grain and apply lacquer or other sealers.
- Fill and smooth cracks or depressions, remove marks and imperfections, and repair broken parts, using plastic or wood putty, glue, nails, or screws.
- Smooth, shape, and touch up surfaces to prepare them for finishing, using sandpaper, pumice stones, steel wool, chisels, sanders, or grinders.
- Remove old finishes and damaged or deteriorated parts, using hand tools, stripping tools, sandpaper, steel wool, abrasives, solvents, or dip baths.
- Treat warped or stained surfaces to restore original contours and colors.
- Select appropriate finishing ingredients such as paint, stain, lacquer, shellac, or varnish, depending on factors such as wood hardness and surface type.
- Mix finish ingredients to obtain desired colors or shades.
- Remove excess solvent, using cloths soaked in paint thinner.
- Examine furniture to determine the extent of damage or deterioration, and to decide on the best method for repair or restoration.
- Distress surfaces with woodworking tools or abrasives before staining to create an antique appearance, or rub surfaces to bring out highlights and shadings.
- Stencil, gild, emboss, mark, or paint designs or borders to reproduce the original appearance of restored pieces, or to decorate new pieces.
- Confer with customers to determine furniture colors or finishes.
- Recommend woods, colors, finishes, and furniture styles, using knowledge of wood products, fashions, and styles.
- Wash surfaces to prepare them for finish application.
- Follow blueprints to produce specific designs.
- Paint metal surfaces electrostatically, or by using a spray gun or other painting equipment.
- Replace or refurbish upholstery of items, using tacks, adhesives, softeners, solvents, stains, or polish.
- Design, create, and decorate entire pieces or specific parts of furniture, such as draws for cabinets.
- Spread graining ink over metal portions of furniture to simulate wood-grain finish.
- Brush bleaching agents on wood surfaces to restore natural color.
- Disassemble items to prepare them for finishing, using hand tools.
- Remove accessories prior to finishing, and mask areas that should not be exposed to finishing processes or substances.
- Disassemble equipment to repair it or to replace parts, such as nozzles, punches, and filters.
- Remove molds, mold components, and feeder tubes from machinery after production is complete.
- Adjust machine components to regulate speeds, pressures, and temperatures, and amounts, dimensions, and flow of materials or ingredients.
- Press control buttons to activate machinery and equipment.
- Examine, measure, and weigh materials or products to verify conformance to standards, using measuring devices such as templates, micrometers, or scales.
- Monitor machine operations and observe lights and gauges to detect malfunctions.
- Clear jams, and remove defective or substandard materials or products.
- Notify supervisors when extruded filaments fail to meet standards.
- Record and maintain production data, such as meter readings, and quantities, types, and dimensions of materials produced.
- Review work orders, specifications, or instructions to determine materials, ingredients, procedures, components, settings, and adjustments for extruding, forming, pressing, or compacting machines.
- Turn controls to adjust machine functions, such as regulating air pressure, creating vacuums, and adjusting coolant flow.
- Clean dies, arbors, compression chambers, and molds, using swabs, sponges, or air hoses.
- Synchronize speeds of sections of machines when producing products involving several steps or processes.
- Move materials, supplies, components, and finished products between storage and work areas, using work aids such as racks, hoists, and handtrucks.
- Activate machines to shape or form products, such as candy bars, light bulbs, balloons, or insulation panels.
- Select and install machine components, such as dies, molds, and cutters, according to specifications, using hand tools and measuring devices.
- Send product samples to laboratories for analysis.
- Couple air and gas lines to machines to maintain plasticity of material and to regulate solidification of final products.
- Pour, scoop, or dump specified ingredients, metal assemblies, or mixtures into sections of machine prior to starting machines.
- Measure, mix, cut, shape, soften, and join materials and ingredients, such as powder, cornmeal, or rubber to prepare them for machine processing.
- Remove materials or products from molds or from extruding, forming, pressing, or compacting machines, and stack or store them for additional processing.
- Feed products into machines by hand or conveyor.
- Measure arbors and dies to verify sizes specified on work tickets.
- Thread extruded strips through water tanks and hold-down bars, or attach strands to wires and draw them through tubes.
- Complete work tickets, and place them with products.
- Swab molds with solutions to prevent products from sticking.
- Ignite burners to preheat products, or use torches to apply heat.
- Install, align, and adjust neck rings, press plungers, and feeder tubes.
- Disassemble equipment to repair it or to replace parts, such as nozzles, punches, and filters.
- Remove molds, mold components, and feeder tubes from machinery after production is complete.
- Disassemble entertainment equipment and repair or replace loose, worn, or defective components and wiring, using hand tools and soldering irons.
- Install, service, and repair electronic equipment or instruments such as televisions, radios, and videocassette recorders.
- Calibrate and test equipment, and locate circuit and component faults, using hand and power tools and measuring and testing instruments such as resistance meters and oscilloscopes.
- Confer with customers to determine the nature of problems or to explain repairs.
- Position or mount speakers, and wire speakers to consoles.
- Instruct customers on the safe and proper use of equipment.
- Make service calls to repair units in customers' homes, or return units to shops for major repairs.
- Read and interpret electronic circuit diagrams, function block diagrams, specifications, engineering drawings, and service manuals.
- Tune or adjust equipment and instruments to obtain optimum visual or auditory reception, according to specifications, manuals, and drawings.
- Keep records of work orders and test and maintenance reports.
- Compute cost estimates for labor and materials.
- Disassemble entertainment equipment and repair or replace loose, worn, or defective components and wiring, using hand tools and soldering irons.
- Disassemble machines to maintain, repair, or replace broken or worn parts, using hand or power tools.
- Examine completed work to detect defects and verify conformance to work orders, and adjust machinery as necessary to correct production problems.
- Observe operation of various machines to detect and correct machine malfunctions such as improper forming, glue flow, or pasteboard tension.
- Start machines and move controls to regulate tension on pressure rolls, to synchronize speed of machine components, and to adjust temperatures of glue or paraffin.
- Install attachments to machines for gluing, folding, printing, or cutting.
- Cut products to specified dimensions, using hand or power cutters.
- Place rolls of paper or cardboard on machine feed tracks, and thread paper through gluing, coating, and slitting rollers.
- Monitor finished cartons as they drop from forming machines into rotating hoppers and into gravity feed chutes to prevent jamming.
- Adjust guide assemblies, forming bars, and folding mechanisms according to specifications, using hand tools.
- Measure, space, and set saw blades, cutters, and perforators, according to product specifications.
- Fill glue and paraffin reservoirs, and position rollers to dispense glue onto paperboard.
- Stamp products with information such as dates, using hand stamps or automatic stamping devices.
- Remove finished cores, and stack or place them on conveyors for transfer to other work areas.
- Lift tote boxes of finished cartons, and dump cartons into feed hoppers.
- Load automatic stapling mechanisms.
- Disassemble machines to maintain, repair, or replace broken or worn parts, using hand or power tools.
- Disassemble and store equipment after performances.
- Assess safety of wiring or equipment set-up to determine the risk of fire or electrical shock.
- Consult with lighting director or production staff to determine lighting requirements.
- Install color effects or image patterns, such as color filters, onto lighting fixtures.
- Install electrical cables or wire fixtures.
- Load, unload, or position lighting equipment.
- Match light fixture settings, such as brightness and color, to lighting design plans.
- Notify supervisors when major lighting equipment repairs are needed.
- Operate manual or automated systems to control lighting throughout productions.
- Patch or wire lights to dimmers or other electronic consoles.
- Perform minor repairs or routine maintenance on lighting equipment, such as replacing lamps or damaged color filters.
- Program lighting consoles or load automated lighting control systems onto consoles.
- Set up and focus light fixtures to meet requirements of television, theater, concerts, or other productions.
- Set up scaffolding or cranes to assist with setting up of lighting equipment.
- Test lighting equipment function and desired lighting effects.
- Visit and assess structural and electrical layout of locations before setting up lighting equipment.
- Disassemble and store equipment after performances.
- Disassemble timepieces such as watches, clocks, and chronometers so that repairs can be made.
- Assemble and install components of timepieces to complete mechanisms, using watchmakers' tools and loupes.
- Observe operation of timepiece parts and subassemblies to determine accuracy of movement, and to diagnose causes of defects.
- Test operation and fit of timepiece parts and subassemblies, using electronic testing equipment, tweezers, watchmakers' tools, and loupes.
- Replace specified parts to repair malfunctioning timepieces, using watchmakers' tools, loupes, and holding fixtures.
- Clean and lubricate timepiece parts and assemblies, using solvents, buff sticks, and oil.
- Examine components of timepieces such as watches, clocks, or chronometers for defects, using loupes or microscopes.
- Bend parts, such as hairsprings, pallets, barrel covers, and bridges, to correct deficiencies in truing or endshake, using tweezers.
- Change timing weights on balance wheels to correct deficient timing.
- Adjust sizes or positioning of timepiece parts to achieve specified fit or function, using calipers, fixtures, and loupes.
- Mount hairsprings and balance wheel assemblies between jaws of truing calipers.
- Estimate spaces between collets and first inner coils to determine if spaces are within acceptable limits.
- Bend inner coils of springs away from or toward collets, using tweezers, to locate centers of collets in centers of springs, and to correct errors resulting from faulty colleting of coils.
- Turn wheels of calipers and examine springs, using loupes, to determine if center coils appear as perfect circles.
- Examine and adjust hairspring assemblies to ensure horizontal and circular alignment of hairsprings, using calipers, loupes, and watchmakers' tools.
- Review blueprints, sketches, or work orders to gather information about tasks to be completed.
- Tighten or replace loose jewels, using watchmakers' tools.
- Disassemble timepieces such as watches, clocks, and chronometers so that repairs can be made.
- Disassemble sizing mills removed from rolling lines, and sort and store parts.
- Monitor machine cycles and mill operation to detect jamming and to ensure that products conform to specifications.
- Adjust and correct machine set-ups to reduce thicknesses, reshape products, and eliminate product defects.
- Start operation of rolling and milling machines to flatten, temper, form, and reduce sheet metal sections and to produce steel strips.
- Examine, inspect, and measure raw materials and finished products to verify conformance to specifications.
- Read rolling orders, blueprints, and mill schedules to determine setup specifications, work sequences, product dimensions, and installation procedures.
- Manipulate controls and observe dial indicators to monitor, adjust, and regulate speeds of machine mechanisms.
- Set distance points between rolls, guides, meters, and stops, according to specifications.
- Calculate draft space and roll speed for each mill stand to plan rolling sequences and specified dimensions and tempers.
- Install equipment such as guides, guards, gears, cooling equipment, and rolls, using hand tools.
- Position, align, and secure arbors, spindles, coils, mandrels, dies, and slitting knives.
- Fill oil cups, adjust valves, and observe gauges to control flow of metal coolants and lubricants onto workpieces.
- Activate shears and grinders to trim workpieces.
- Signal and assist other workers to remove and position equipment, fill hoppers, and feed materials into machines.
- Record mill production on schedule sheets.
- Direct and train other workers to change rolls, operate mill equipment, remove coils and cobbles, and band and load material.
- Thread or feed sheets or rods through rolling mechanisms, or start and control mechanisms that automatically feed steel into rollers.
- Select rolls, dies, roll stands, and chucks from data charts to form specified contours and to fabricate products.
- Remove scratches and polish roll surfaces, using polishing stones and electric buffers.
- Disassemble sizing mills removed from rolling lines, and sort and store parts.
- Dismantle lapping, boring, cutting, polishing, and shaping equipment and machinery to clean and lubricate it.
- Examine gems during processing to ensure accuracy of angles and positions of cuts or bores, using magnifying glasses, loupes, or shadowgraphs.
- Assign polish, symmetry, and clarity grades to stones, according to established grading systems.
- Estimate wholesale and retail value of gems, following pricing guides, market fluctuations, and other relevant economic factors.
- Examine gem surfaces and internal structures, using polariscopes, refractometers, microscopes, and other optical instruments, to differentiate between stones, to identify rare specimens, or to detect flaws, defects, or peculiarities affecting gem values.
- Identify and document stones' clarity characteristics, using plot diagrams.
- Advise customers and others on the best use of gems to create attractive jewelry items.
- Examine diamonds or gems to ascertain the shape, cut, and width of cut stones, or to select the cuts that will result in the biggest, best quality stones.
- Immerse stones in prescribed chemical solutions to determine specific gravities and key properties of gemstones or substitutes.
- Hold stones, gems, dies, or styluses against rotating plates, wheels, saws, or slitters to cut, shape, slit, grind, or polish them.
- Sort rough diamonds into categories based on shape, size, color, and quality.
- Secure gems or diamonds in holders, chucks, dops, lapidary sticks, or blocks for cutting, polishing, grinding, drilling, or shaping.
- Locate and mark drilling or cutting positions on stones or dies, using diamond chips and power hand tools.
- Place stones in clamps on polishing machines and polish facets of stones, using felt-covered or canvas-covered polishing wheels and polishing compounds such as tripoli and rouge.
- Lap girdles on rough diamonds, using diamond girdling lathes.
- Measure sizes of stones' bore holes and cuts to ensure adherence to specifications, using precision measuring instruments.
- Select shaping wheels for tasks, and mix and apply abrasives, bort, or polishing compounds.
- Split gems along pre-marked lines to remove imperfections, using blades and jewelers' hammers.
- Regulate the speed of revolutions and reciprocating actions of drilling mechanisms.
- Replace, true, and sharpen blades, drills, and plates.
- Secure stones in metal mountings, using solder.
- Regrind drill points, and advance drill cutting points according to specifications for channel depths and shapes.
- Dismantle lapping, boring, cutting, polishing, and shaping equipment and machinery to clean and lubricate it.
- Repair ships, bridge foundations, or other structures below the water line, using caulk, bolts, and hand tools.
- Take appropriate safety precautions, such as monitoring dive lengths and depths and registering with authorities before diving expeditions begin.
- Check and maintain diving equipment, such as helmets, masks, air tanks, harnesses, or gauges.
- Communicate with workers on the surface while underwater, using signal lines or telephones.
- Descend into water with the aid of diver helpers, using scuba gear or diving suits.
- Obtain information about diving tasks and environmental conditions.
- Supervise or train other divers, including hobby divers.
- Inspect the condition of underwater steel or wood structures.
- Inspect and test docks, ships, buoyage systems, plant intakes or outflows, or underwater pipelines, cables, or sewers, using closed circuit television, still photography, and testing equipment.
- Recover objects by placing rigging around sunken objects, hooking rigging to crane lines, and operating winches, derricks, or cranes to raise objects.
- Operate underwater video, sonar, recording, or related equipment to investigate underwater structures or marine life.
- Take test samples or photographs to assess the condition of vessels or structures.
- Cut and weld steel, using underwater welding equipment, jigs, and supports.
- Install, inspect, clean, or repair piping or valves.
- Carry out non-destructive testing, such as tests for cracks on the legs of oil rigs at sea.
- Install pilings or footings for piers or bridges.
- Salvage wrecked ships or their cargo, using pneumatic power velocity and hydraulic tools and explosive charges, when necessary.
- Remove obstructions from strainers or marine railway or launching ways, using pneumatic or power hand tools.
- Set or guide placement of pilings or sandbags to provide support for structures, such as docks, bridges, cofferdams, or platforms.
- Perform activities related to underwater search and rescue, salvage, recovery, or cleanup operations.
- Perform offshore oil or gas exploration or extraction duties, such as conducting underwater surveys or repairing and maintaining drilling rigs or platforms.
- Drill holes in rock and rig explosives for underwater demolitions.
- Remove rubbish or pollution from the sea.
- Set up dive sites for recreational instruction.
- Cultivate or harvest marine species or perform routine work on fish farms.
- Repair ships, bridge foundations, or other structures below the water line, using caulk, bolts, and hand tools.
- Disassemble, clean, and reassemble sprayers or power equipment, using solvents, wire brushes, and cloths.
- Dispose of hazardous waste in an appropriate manner.
- Hold or position spray guns to direct spray onto articles.
- Spray prepared surfaces with specified amounts of primers and decorative or finish coatings.
- Monitor painting operations to identify flaws, such as blisters or streaks, and correct their causes.
- Fill hoppers, reservoirs, troughs, or pans with material used to coat, paint, or spray, using conveyors or pails.
- Clean equipment and work areas.
- Apply rust-resistant undercoats and caulk and seal seams.
- Start and stop operation of machines, using levers or buttons.
- Determine paint flow, viscosity, and coating quality by performing visual inspections, or by using viscometers.
- Attach hoses or nozzles to machines, using wrenches and pliers, and make adjustments to obtain the proper dispersion of spray.
- Turn dials, handwheels, valves, or switches to regulate conveyor speeds, machine temperature, air pressure and circulation, and the flow or spray of coatings or paints.
- Observe machine gauges and equipment operation to detect defects or deviations from standards, and make adjustments as necessary.
- Examine, measure, weigh, or test sample products to ensure conformance to specifications.
- Buff and wax the finished paintwork.
- Use brush to hand-paint areas in need of retouching or unreachable with a spray gun.
- Thread or feed items or products through or around machine rollers and dryers.
- Weigh or measure chemicals, coatings, or paints before adding them to machines.
- Operate auxiliary machines or equipment used in coating or painting processes.
- Remove materials, parts, or workpieces from painting or coating machines, using hand tools.
- Record operational data on specified forms.
- Operate lifting or moving devices to move equipment or materials to access areas to be painted.
- Prepare and apply stencils, computer-generated decals, or other decorative items to finished products.
- Set up portable equipment, such as ventilators, exhaust units, ladders, or scaffolding.
- Adjust controls on infrared ovens, heat lamps, portable ventilators, or exhaust units to speed the drying of surfaces between coats.
- Apply primer over any repairs made to surfaces.
- Fill small dents or scratches with body fillers and smooth surfaces to prepare for painting.
- Mix paints to match color specifications or original colors, stirring or thinning paints, using spatulas or power mixing equipment.
- Remove grease, dirt, paint, or rust from surfaces in preparation for paint application, using abrasives, solvents, brushes, blowtorches, washing tanks, or sandblasters.
- Sand and apply sealer to properly dried finish.
- Disassemble, clean, and reassemble sprayers or power equipment, using solvents, wire brushes, and cloths.
- Install expansion and control valves, using acetylene torches and wrenches.
- Test electrical circuits or components for continuity, using electrical test equipment.
- Comply with all applicable standards, policies, or procedures, such as safety procedures or the maintenance of a clean work area.
- Study blueprints, design specifications, or manufacturers' recommendations to ascertain the configuration of heating or cooling equipment components and to ensure the proper installation of components.
- Discuss heating or cooling system malfunctions with users to isolate problems or to verify that repairs corrected malfunctions.
- Connect heating or air conditioning equipment to fuel, water, or refrigerant source to form complete circuit.
- Adjust system controls to settings recommended by manufacturer to balance system.
- Recommend, develop, or perform preventive or general maintenance procedures, such as cleaning, power-washing, or vacuuming equipment, oiling parts, or changing filters.
- Inspect and test systems to verify system compliance with plans and specifications or to detect and locate malfunctions.
- Repair or replace defective equipment, components, or wiring.
- Install or repair self-contained ground source heat pumps or hybrid ground or air source heat pumps to minimize carbon-based energy consumption and reduce carbon emissions.
- Install, connect, or adjust thermostats, humidistats, or timers.
- Install auxiliary components to heating or cooling equipment, such as expansion or discharge valves, air ducts, pipes, blowers, dampers, flues, or stokers.
- Braze or solder parts to repair defective joints and leaks.
- Lay out and connect electrical wiring between controls and equipment, according to wiring diagrams, using electrician's hand tools.
- Perform mechanical overhauls and refrigerant reclaiming.
- Measure, cut, thread, or bend pipe or tubing, using pipe fitter's tools.
- Mount compressor, condenser, and other components in specified locations on frames, using hand tools and acetylene welding equipment.
- Install dehumidifiers or related equipment for spaces that require cool, dry air to operate efficiently, such as computer rooms.
- Record and report time, materials, faults, deficiencies, or other unusual occurrences on work orders.
- Keep records of repairs and replacements made and causes of malfunctions.
- Cut or drill holes in floors, walls, or roof to install equipment, using power saws or drills.
- Estimate, order, pick up, deliver, and install materials and supplies needed to maintain equipment in good working condition.
- Schedule work with customers and initiate work orders, house requisitions, and orders from stock.
- Supervise and instruct assistants.
- Lay out reference points for installation of structural and functional components, using measuring instruments.
- Lift and align components into position, using hoist or block and tackle.
- Install or repair air purification systems, such as specialized filters or ultraviolet (UV) light purification systems.
- 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.
- Test pipes, lines, components, and connections for leaks.
- Install expansion and control valves, using acetylene torches and wrenches.
- Repair products by dismantling, straightening, reshaping, and reassembling parts, using cutting torches, straightening presses, and hand tools.
- Operate safety equipment and use safe work habits.
- Examine workpieces for defects and measure workpieces with straightedges or templates to ensure conformance with specifications.
- Weld components in flat, vertical, or overhead positions.
- Detect faulty operation of equipment or defective materials and notify supervisors.
- Recognize, set up, and operate hand and power tools common to the welding trade, such as shielded metal arc and gas metal arc welding equipment.
- Select and install torches, torch tips, filler rods, and flux, according to welding chart specifications or types and thicknesses of metals.
- Mark or tag material with proper job number, piece marks, and other identifying marks as required.
- Determine required equipment and welding methods, applying knowledge of metallurgy, geometry, and welding techniques.
- Prepare all material surfaces to be welded, ensuring that there is no loose or thick scale, slag, rust, moisture, grease, or other foreign matter.
- Align and clamp workpieces together, using rules, squares, or hand tools, or position items in fixtures, jigs, or vises.
- Connect and turn regulator valves to activate and adjust gas flow and pressure so that desired flames are obtained.
- Position and secure workpieces, using hoists, cranes, wire, and banding machines or hand tools.
- Melt and apply solder along adjoining edges of workpieces to solder joints, using soldering irons, gas torches, or electric-ultrasonic equipment.
- Monitor the fitting, burning, and welding processes to avoid overheating of parts or warping, shrinking, distortion, or expansion of material.
- Grind, cut, buff, or bend edges of workpieces to be joined to ensure snug fit, using power grinders and hand tools.
- Weld separately or in combination, using aluminum, stainless steel, cast iron, and other alloys.
- Chip or grind off excess weld, slag, or spatter, using hand scrapers or power chippers, portable grinders, or arc-cutting equipment.
- Develop templates and models for welding projects, using mathematical calculations based on blueprint information.
- Clean or degrease parts, using wire brushes, portable grinders, or chemical baths.
- Hammer out bulges or bends in metal workpieces.
- Check grooves, angles, or gap allowances, using micrometers, calipers, and precision measuring instruments.
- Melt and apply solder to fill holes, indentations, or seams of fabricated metal products, using soldering equipment.
- Ignite torches or start power supplies and strike arcs by touching electrodes to metals being welded, completing electrical circuits.
- Guide and direct flames or electrodes on or across workpieces to straighten, bend, melt, or build up metal.
- Use fire suppression methods in industrial emergencies.
- Preheat workpieces prior to welding or bending, using torches or heating furnaces.
- Set up and use ladders and scaffolding as necessary to complete work.
- Operate metal shaping, straightening, and bending machines, such as brakes and shears.
- Analyze engineering drawings, blueprints, specifications, sketches, work orders, and material safety data sheets to plan layout, assembly, and operations.
- Repair products by dismantling, straightening, reshaping, and reassembling parts, using cutting torches, straightening presses, and hand tools.
- Remove housings, feed tubes, tool holders, or other accessories to replace worn or broken parts, such as springs or bushings.
- Examine completed workpieces for defects, such as chipped edges or marred surfaces and sort defective pieces according to types of flaws.
- Measure completed workpieces to verify conformance to specifications, using micrometers, gauges, calipers, templates, or rulers.
- Set stops on machine beds, change dies, and adjust components, such as rams or power presses, when making multiple or successive passes.
- Start machines, monitor their operations, and record operational data.
- Set up, operate, or tend machines to saw, cut, shear, slit, punch, crimp, notch, bend, or straighten metal or plastic material.
- Test and adjust machine speeds or actions, according to product specifications, using gauges and hand tools.
- Install, align, and lock specified punches, dies, cutting blades, or other fixtures in rams or beds of machines, using gauges, templates, feelers, shims, and hand tools.
- Read work orders or production schedules to determine specifications, such as materials to be used, locations of cutting lines, or dimensions and tolerances.
- Position guides, stops, holding blocks, or other fixtures to secure and direct workpieces, using hand tools and measuring devices.
- Position, align, and secure workpieces against fixtures or stops on machine beds or on dies.
- Load workpieces, plastic material, or chemical solutions into machines.
- Adjust ram strokes of presses to specified lengths, using hand tools.
- Clean and lubricate machines.
- Mark identifying data on workpieces.
- Clean work area.
- Plan sequences of operations, applying knowledge of physical properties of workpiece materials.
- Operate forklifts to deliver materials.
- Lubricate workpieces with oil.
- Turn controls to set cutting speeds, feed rates, or table angles for specified operations.
- Scribe reference lines on workpieces as guides for cutting operations, according to blueprints, templates, sample parts, or specifications.
- Place workpieces on cutting tables, manually or using hoists, cranes, or sledges.
- Turn valves to start flow of coolant against cutting areas or to start airflow that blows cuttings away from kerfs.
- Thread ends of metal coils from reels through slitters and secure ends on recoilers.
- Grind out burrs or sharp edges, using portable grinders, speed lathes, or polishing jacks.
- Replace defective blades or wheels, using hand tools.
- Set blade tensions, heights, and angles to perform prescribed cuts, using wrenches.
- Select, clean, and install spacers, rubber sleeves, or cutters on arbors.
- Hand-form, cut, or finish workpieces, using tools such as table saws, hand sledges, or anvils.
- Preheat workpieces, using heating furnaces or hand torches.
- Sharpen dulled blades, using bench grinders, abrasive wheels, or lathes.
- Hone cutters with oilstones to remove nicks.
- Remove housings, feed tubes, tool holders, or other accessories to replace worn or broken parts, such as springs or bushings.
- Disassemble defective parts or components, such as inaccurate or worn gauges or measuring instruments.
- Discard or reject products, materials, or equipment not meeting specifications.
- Mark items with details, such as grade or acceptance-rejection status.
- Measure dimensions of products to verify conformance to specifications, using measuring instruments, such as rulers, calipers, gauges, or micrometers.
- Notify supervisors or other personnel of production problems.
- Inspect, test, or measure materials, products, installations, or work for conformance to specifications.
- Write test or inspection reports describing results, recommendations, or needed repairs.
- Recommend necessary corrective actions, based on inspection results.
- Read dials or meters to verify that equipment is functioning at specified levels.
- Make minor adjustments to equipment, such as turning setscrews to calibrate instruments to required tolerances.
- Read blueprints, data, manuals, or other materials to determine specifications, inspection and testing procedures, adjustment methods, certification processes, formulas, or measuring instruments required.
- Monitor production operations or equipment to ensure conformance to specifications, making necessary process or assembly adjustments.
- Record inspection or test data, such as weights, temperatures, grades, or moisture content, and quantities inspected or graded.
- Position products, components, or parts for testing.
- Remove defects, such as chips, burrs, or lap corroded or pitted surfaces.
- Collect or select samples for testing or for use as models.
- Stack or arrange tested products for further processing, shipping, or packaging.
- Check arriving materials to ensure that they match purchase orders, submitting discrepancy reports as necessary.
- Inspect or test raw materials, parts, or products to determine compliance with environmental standards.
- Analyze test data, making computations as necessary, to determine test results.
- Compare colors, shapes, textures, or grades of products or materials with color charts, templates, or samples to verify conformance to standards.
- Clean, maintain, calibrate, or repair measuring instruments or test equipment, such as dial indicators, fixed gauges, or height gauges.
- Fabricate, install, position, or connect components, parts, finished products, or instruments for testing or operational purposes.
- Administer tests to assess whether engineers or operators are qualified to use equipment.
- Monitor machines that automatically measure, sort, or inspect products.
- Interpret legal requirements, provide safety information, or recommend compliance procedures to contractors, craft workers, engineers, or property owners.
- Adjust, clean, or repair products or processing equipment to correct defects found during inspections.
- Compute usable amounts of items in shipments.
- Inspect or test cleantech or green technology parts, products, or installations, such as fuel cells, solar panels, or air quality devices, for conformance to specifications or standards.
- Grade, classify, or sort products according to sizes, weights, colors, or other specifications.
- Weigh materials, products, containers, or samples to verify packaging weights or ingredient quantities.
- Compute defect percentages or averages, using formulas and calculators.
- Disassemble defective parts or components, such as inaccurate or worn gauges or measuring instruments.
