Job Duties Custom List 49-9044.00 — Millwrights

Signal crane operator to lower basic assembly units to bedplate, and align unit to centerline.

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17 occupations shown

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Closely Related Tasks	All Related Tasks	Job Zone	Code	Occupation
2	3	3	49-3023.00	Automotive Service Technicians and Mechanics
2	3	3	49-3011.00	Aircraft Mechanics and Service Technicians
2	2	2	49-9096.00	Riggers
2	2	3	49-2092.00	Electric Motor, Power Tool, and Related Repairers
1	2	2	49-9051.00	Electrical Power-Line Installers and Repairers
1	2	3	49-9071.00	Maintenance and Repair Workers, General Bright Outlook
1	2	3	49-9012.00	Control and Valve Installers and Repairers, Except Mechanical Door
1	1	3	49-3051.00	Motorboat Mechanics and Service Technicians
1	1	2	49-3091.00	Bicycle Repairers
1	1	3	49-9043.00	Maintenance Workers, Machinery
1	1	3	49-2094.00	Electrical and Electronics Repairers, Commercial and Industrial Equipment
1	1	3	49-3042.00	Mobile Heavy Equipment Mechanics, Except Engines
1	1	2	49-3043.00	Rail Car Repairers
1	1	3	49-9092.00	Commercial Divers
1	1	3	49-2011.00	Computer, Automated Teller, and Office Machine Repairers
1	1	3	49-3031.00	Bus and Truck Mechanics and Diesel Engine Specialists
1	1	3	49-9063.00	Musical Instrument Repairers and Tuners

Job Duties: Automotive Service Technicians and Mechanics

Align vehicles' front ends.
Align wheels, axles, frames, torsion bars, and steering mechanisms of automobiles, using special alignment equipment and wheel-balancing machines.

Review work orders and discuss work with supervisors.

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.
Repair, reline, replace, and adjust brakes.
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.
Tear down, repair, and rebuild faulty assemblies, such as power systems, steering systems, and linkages.
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.
Disassemble units and inspect parts for wear, using micrometers, calipers, and gauges.
Test electronic computer components in automobiles to ensure proper operation.
Overhaul or replace carburetors, blowers, generators, distributors, starters, and pumps.
Repair or replace parts such as pistons, rods, gears, valves, and bearings.
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.
Repair, replace, or adjust defective fuel injectors, carburetor parts, and gasoline filters.
Install, adjust, or repair hydraulic or electromagnetic automatic lift mechanisms used to raise and lower automobile windows, seats, and tops.
Conduct visual inspections of compressed natural gas fuel systems to identify cracks, gouges, abrasions, discoloration, broken fibers, loose brackets, damaged gaskets, or other problems.
Rebuild parts, such as crankshafts and cylinder blocks.
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.
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.
Align vehicles' front ends.
Align wheels, axles, frames, torsion bars, and steering mechanisms of automobiles, using special alignment equipment and wheel-balancing machines.
Review work orders and discuss work with supervisors.

Job Duties: Aircraft Mechanics and Service Technicians

Install and align repaired or replacement parts for subsequent riveting or welding, using clamps and wrenches.
Communicate with other workers to coordinate fitting and alignment of heavy parts, or to facilitate processing of repair parts.

Locate and mark dimensions and reference lines on defective or replacement parts, using templates, scribes, compasses, and steel rules.

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.
Assemble and install electrical, plumbing, mechanical, hydraulic, and structural components and accessories, using hand or power tools.
Fabricate defective sections or parts, using metal fabricating machines, saws, brakes, shears, and grinders.
Reassemble engines following repair or inspection and reinstall engines in aircraft.
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.
Remove or cut out defective parts or drill holes to gain access to internal defects or damage, using drills and punches.
Inventory and requisition or order supplies, parts, materials, and equipment.
Clean, strip, prime, and sand structural surfaces and materials to prepare them for bonding.
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.
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.
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.
Remove, inspect, repair, and install in-flight refueling stores and external fuel tanks.
Prepare and paint aircraft surfaces.
Install and align repaired or replacement parts for subsequent riveting or welding, using clamps and wrenches.
Communicate with other workers to coordinate fitting and alignment of heavy parts, or to facilitate processing of repair parts.
Locate and mark dimensions and reference lines on defective or replacement parts, using templates, scribes, compasses, and steel rules.

Job Duties: Riggers

Signal or verbally direct workers engaged in hoisting and moving loads to ensure safety of workers and materials.
Align, level, and anchor machinery.

Test rigging to ensure safety and reliability.
Control movement of heavy equipment through narrow openings or confined spaces, using chainfalls, gin poles, gallows frames, and other equipment.
Tilt, dip, and turn suspended loads to maneuver over, under, or around obstacles, using multi-point suspension techniques.
Select gear, such as cables, pulleys, and winches, according to load weights and sizes, facilities, and work schedules.
Dismantle and store rigging equipment after use.
Attach loads to rigging to provide support or prepare them for moving, using hand and power tools.
Manipulate rigging lines, hoists, and pulling gear to move or support materials, such as heavy equipment, ships, or theatrical sets.
Load machines onto trucks to prepare for transportation.
Attach pulleys and blocks to fixed overhead structures, such as beams, ceilings, and gin pole booms, using bolts and clamps.
Fabricate, set up, and repair rigging, supporting structures, hoists, and pulling gear, using hand and power tools.
Clean and dress machine surfaces and component parts.
Install ground rigging for yarding lines, attaching chokers to logs and to the lines.
Signal or verbally direct workers engaged in hoisting and moving loads to ensure safety of workers and materials.
Align, level, and anchor machinery.

Job Duties: Electric Motor, Power Tool, and Related Repairers

Lift units or parts such as motors or generators, using cranes or chain hoists, or signal crane operators to lift heavy parts or subassemblies.
Position and level battery cells, anodes, or cathodes, using hoists or leveling jacks, or signal other workers to perform positioning and leveling.

Inspect and test equipment to locate damage or worn parts and diagnose malfunctions, or read work orders or schematic drawings to determine required repairs.
Reassemble repaired electric motors to specified requirements and ratings, using hand tools and electrical meters.
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.
Repair and rebuild defective mechanical parts in electric motors, generators, and related equipment, using hand tools and power tools.
Record repairs required, parts used, and labor time.
Disassemble defective equipment so that repairs can be made, using hand tools.
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.
Assemble electrical parts such as alternators, generators, starting devices, and switches, following schematic drawings and using hand, machine, and power tools.
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.
Remove and replace defective parts such as coil leads, carbon brushes, and wires, using soldering equipment.
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.
Bolt porcelain insulators to wood parts to assemble hot stools.
Clean, rinse, and dry transformer cases, using boiling water, scrapers, solvents, hoses, and cloths.
Lift units or parts such as motors or generators, using cranes or chain hoists, or signal crane operators to lift heavy parts or subassemblies.
Position and level battery cells, anodes, or cathodes, using hoists or leveling jacks, or signal other workers to perform positioning and leveling.

Job Duties: Electrical Power-Line Installers and Repairers

Replace or straighten damaged poles.

Coordinate work assignment preparation and completion with other workers.

Adhere to safety practices and procedures, such as checking equipment regularly and erecting barriers around work areas.
Drive vehicles equipped with tools and materials to job sites.
Open switches or attach grounding devices to remove electrical hazards from disturbed or fallen lines or to facilitate repairs.
Climb poles or use truck-mounted buckets to access equipment.
Install, maintain, and repair electrical distribution and transmission systems, including conduits, cables, wires, and related equipment, such as transformers, circuit breakers, and switches.
Inspect and test power lines and auxiliary equipment to locate and identify problems, using reading and testing instruments.
String wire conductors and cables between poles, towers, trenches, pylons, and buildings, setting lines in place and using winches to adjust tension.
Attach cross-arms, insulators, and auxiliary equipment to poles prior to installing them.
Dig holes, using augers, and set poles, using cranes and power equipment.
Travel in trucks, helicopters, and airplanes to inspect lines for freedom from obstruction and adequacy of insulation.
Identify defective sectionalizing devices, circuit breakers, fuses, voltage regulators, transformers, switches, relays, or wiring, using wiring diagrams and electrical-testing instruments.
Install watt-hour meters and connect service drops between power lines and consumers' facilities.
Test conductors, according to electrical diagrams and specifications, to identify corresponding conductors and to prevent incorrect connections.
Place insulating or fireproofing materials over conductors and joints.
Splice or solder cables together or to overhead transmission lines, customer service lines, or street light lines, using hand tools, epoxies, or specialized equipment.
Trim trees that could be hazardous to the functioning of cables or wires.
Pull up cable by hand from large reels mounted on trucks.
Lay underground cable directly in trenches, or string it through conduit running through the trenches.
Cut trenches for laying underground cables, using trenchers and cable plows.
Cut and peel lead sheathing and insulation from defective or newly installed cables and conduits prior to splicing.
Clean, tin, and splice corresponding conductors by twisting ends together or by joining ends with metal clamps and soldering connections.
Replace or straighten damaged poles.
Coordinate work assignment preparation and completion with other workers.

Job Duties: Maintenance and Repair Workers, General

Align and balance new equipment after installation.

Plan and lay out repair work, using diagrams, drawings, blueprints, maintenance manuals, or schematic diagrams.

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.
Assemble, install, or repair wiring, electrical or electronic components, pipe systems, plumbing, machinery, or equipment.
Clean or lubricate shafts, bearings, gears, or other parts of machinery.
Estimate costs to repair machinery, equipment, or building structures.
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.
Dismantle machines, equipment, or devices to access and remove defective parts, using hoists, cranes, hand tools, or power tools.
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.
Perform routine maintenance on boilers, such as replacing burners or hoses, installing replacement parts, or reinforcing structural weaknesses to ensure optimal boiler efficiency.
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.
Assemble boilers at installation sites, using tools such as levels, plumb bobs, hammers, torches, or other hand tools.
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.
Align and balance new equipment after installation.
Plan and lay out repair work, using diagrams, drawings, blueprints, maintenance manuals, or schematic diagrams.

Job Duties: Control and Valve Installers and Repairers, Except Mechanical Door

Shut off service and notify repair crews when major repairs are required, such as the replacement of underground pipes or wiring.

Report hazardous field situations and damaged or missing meters.

Record maintenance information, including test results, material usage, and repairs made.
Disassemble and repair mechanical control devices or valves, such as regulators, thermostats, or hydrants, using power tools, hand tools, and cutting torches.
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.
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.
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.
Recondition displacement type gas meters and governors, fabricating, machining, or modifying parts needed for repairs.
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.
Dismantle meters, and replace or adjust defective parts such as cases, shafts, gears, disks, and recording mechanisms, using soldering irons and hand tools.
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.
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.
Repair leaks in valve seats or bellows of automotive heater thermostats, using soft solder, flux, and acetylene torches.
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.
Shut off service and notify repair crews when major repairs are required, such as the replacement of underground pipes or wiring.
Report hazardous field situations and damaged or missing meters.

Job Duties: Motorboat Mechanics and Service Technicians

Set starter locks and align and repair steering or throttle controls, using gauges, screwdrivers, or wrenches.

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.
Repair engine mechanical equipment, such as power tilts, bilge pumps, or power take-offs.
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.
Inspect and repair or adjust propellers or propeller shafts.
Adjust carburetor mixtures, electrical point settings, or timing while motors are running in water-filled test tanks.
Disassemble and inspect motors to locate defective parts, using mechanic's hand tools and gauges.
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.

Job Duties: Bicycle Repairers

Align wheels.

Install and adjust brakes and brake pads.
Help customers select bicycles that fit their body sizes and intended bicycle uses.
Assemble new bicycles.
Sell bicycles and accessories.
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.
Clean and lubricate bicycle parts.
Order bicycle parts.
Disassemble axles to repair, adjust, and replace defective parts, using hand tools.
Build wheels by cutting and threading new spokes.
Shape replacement parts, using bench grinders.
Repair holes in tire tubes, using scrapers and patches.
Weld broken or cracked frames together, using oxyacetylene torches and welding rods.
Paint bicycle frames, using spray guns or brushes.
Align wheels.

Job Duties: Maintenance Workers, Machinery

Inspect or test damaged machine parts, and mark defective areas or advise supervisors of repair needs.

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.
Reassemble machines after the completion of repair or maintenance work.
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.
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.
Inspect or test damaged machine parts, and mark defective areas or advise supervisors of repair needs.

Job Duties: Electrical and Electronics Repairers, Commercial and Industrial Equipment

Coordinate efforts with other workers involved in installing or maintaining equipment or components.

Test faulty equipment to diagnose malfunctions, using test equipment or software, and applying knowledge of the functional operation of electronic units and systems.
Maintain equipment logs that record performance problems, repairs, calibrations, or tests.
Set up and test industrial equipment to ensure that it functions properly.
Inspect components of industrial equipment for accurate assembly and installation or for defects, such as loose connections or frayed wires.
Install repaired equipment in various settings, such as industrial or military establishments.
Operate equipment to demonstrate proper use or to analyze malfunctions.
Enter information into computer to copy program or to draw, modify, or store schematics, applying knowledge of software package used.
Perform scheduled preventive maintenance tasks, such as checking, cleaning, or repairing equipment, to detect and prevent problems.
Calibrate testing instruments and installed or repaired equipment to prescribed specifications.
Repair or adjust equipment, machines, or defective components, replacing worn parts, such as gaskets or seals in watertight electrical equipment.
Consult with customers, supervisors, or engineers to plan layout of equipment or to resolve problems in system operation or maintenance.
Maintain inventory of spare parts.
Study blueprints, schematics, manuals, or other specifications to determine installation procedures.
Examine work orders and converse with equipment operators to detect equipment problems and to ascertain whether mechanical or human errors contributed to the problems.
Develop or modify industrial electronic devices, circuits, or equipment, according to available specifications.
Determine feasibility of using standardized equipment or develop specifications for equipment required to perform additional functions.
Advise management regarding customer satisfaction, product performance, or suggestions for product improvements.
Send defective units to the manufacturer or to a specialized repair shop for repair.
Sign overhaul documents for equipment replaced or repaired.
Coordinate efforts with other workers involved in installing or maintaining equipment or components.

Job Duties: Mobile Heavy Equipment Mechanics, Except Engines

Assemble gear systems, and align frames and gears.

Repair and replace damaged or worn parts.
Test mechanical products and equipment after repair or assembly to ensure proper performance and compliance with manufacturers' specifications.
Operate and inspect machines or heavy equipment to diagnose defects.
Read and understand operating manuals, blueprints, and technical drawings.
Dismantle and reassemble heavy equipment using hoists and hand tools.
Overhaul and test machines or equipment to ensure operating efficiency.
Adjust, maintain, and repair or replace subassemblies, such as transmissions and crawler heads, using hand tools, jacks, and cranes.
Repair, rewire, and troubleshoot electrical systems.
Diagnose faults or malfunctions to determine required repairs, using engine diagnostic equipment such as computerized test equipment and calibration devices.
Examine parts for damage or excessive wear, using micrometers and gauges.
Weld or solder broken parts and structural members, using electric or gas welders and soldering tools.
Research, order, and maintain parts inventory for services and repairs.
Fit bearings to adjust, repair, or overhaul mobile mechanical, hydraulic, and pneumatic equipment.
Schedule maintenance for industrial machines and equipment, and keep equipment service records.
Clean, lubricate, and perform other routine maintenance work on equipment and vehicles.
Clean parts by spraying them with grease solvent or immersing them in tanks of solvent.
Adjust and maintain industrial machinery, using control and regulating devices.
Fabricate needed parts or items from sheet metal.
Direct workers who are assembling or disassembling equipment or cleaning parts.
Assemble gear systems, and align frames and gears.

Job Duties: Rail Car Repairers

Align car sides for installation of car ends and crossties, using width gauges, turnbuckles, and wrenches.

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.
Remove locomotives, car mechanical units, or other components, using pneumatic hoists and jacks, pinch bars, hand tools, and cutting torches.
Test units for operability before and after repairs.
Adjust repaired or replaced units as needed to ensure proper operation.
Repair, fabricate, and install steel or wood fittings, using blueprints, shop sketches, and instruction manuals.
Perform scheduled maintenance, and clean units and components.
Examine car roofs for wear and damage, and repair defective sections, using roofing material, cement, nails, and waterproof paint.
Paint car exteriors, interiors, and fixtures.
Repair and maintain electrical and electronic controls for propulsion and braking systems.
Disassemble units such as water pumps, control valves, and compressors so that repairs can be made.
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.
Repair window sash frames, attach weather stripping and channels to frames, and replace window glass, using hand tools.
Repair car upholstery.
Align car sides for installation of car ends and crossties, using width gauges, turnbuckles, and wrenches.

Job Duties: Commercial Divers

Communicate with workers on the surface while underwater, using signal lines or telephones.

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.
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.
Repair ships, bridge foundations, or other structures below the water line, using caulk, bolts, and hand tools.
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.
Communicate with workers on the surface while underwater, using signal lines or telephones.

Job Duties: Computer, Automated Teller, and Office Machine Repairers

Align, adjust, or calibrate equipment according to specifications.

Reassemble machines after making repairs or replacing parts.
Converse with customers to determine details of equipment problems.
Disassemble machines to examine parts, such as wires, gears, or bearings for wear or defects, using hand or power tools and measuring devices.
Advise customers concerning equipment operation, maintenance, or programming.
Repair, adjust, or replace electrical or mechanical components or parts, using hand tools, power tools, or soldering or welding equipment.
Travel to customers' stores or offices to service machines or to provide emergency repair service.
Maintain parts inventories and order any additional parts needed for repairs.
Operate machines to test functioning of parts or mechanisms.
Reinstall software programs or adjust settings on existing software to fix machine malfunctions.
Clean, oil, or adjust mechanical parts to maintain machines' operating efficiency and to prevent breakdowns.
Maintain records of equipment maintenance work or repairs.
Test new systems to ensure that they are in working order.
Complete repair bills, shop records, time cards, or expense reports.
Install and configure new equipment, including operating software or peripheral equipment.
Analyze equipment performance records to assess equipment functioning.
Read specifications, such as blueprints, charts, or schematics, to determine machine settings or adjustments.
Update existing equipment, performing tasks such as installing updated circuit boards or additional memory.
Test components or circuits of faulty equipment to locate defects, using oscilloscopes, signal generators, ammeters, voltmeters, or special diagnostic software programs.
Assemble machines according to specifications, using hand or power tools and measuring devices.
Lay cable and hook up electrical connections between machines, power sources, and phone lines.
Enter information into computers to copy programs from one electronic component to another or to draw, modify, or store schematics.
Fill machines with toners, inks, or other duplicating fluids.
Train new repairers.
Calibrate testing instruments.
Align, adjust, or calibrate equipment according to specifications.

Job Duties: Bus and Truck Mechanics and Diesel Engine Specialists

Align front ends and suspension systems.

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.
Diagnose and repair vehicle heating and cooling systems.
Inspect, repair, and maintain automotive and mechanical equipment and machinery, such as pumps and compressors.
Inspect and verify dimensions and clearances of parts to ensure conformance to factory specifications.
Disassemble and overhaul internal combustion engines, pumps, generators, transmissions, clutches, and differential units.
Adjust or repair computer controlled exhaust emissions devices.
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.
Install or repair accessories.
Repair or adjust seats, doors, or windows.
Dismount, mount, and repair or replace tires.
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.
Align front ends and suspension systems.

Job Duties: Musical Instrument Repairers and Tuners

Align pads and keys on reed or wind instruments.

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.
Reassemble instruments following repair, using hand tools and power tools and glue, hair, yarn, resin, or clamps, and lubricate instruments as necessary.
Disassemble instruments and parts for repair and adjustment.
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.
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.
Assemble and install new pipe organs and pianos in buildings.
Refinish and polish piano cabinets or cases to prepare them for sale.
Deliver pianos to purchasers or to locations of their use.
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.
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.
Assemble bars onto percussion instruments.
Stretch drumheads over rim hoops and tuck them around and under the hoops, using hand tucking tools.
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.
Remove material from bars of percussion instruments to obtain specified tones, using bandsaws, sanding machines, machine grinders, or hand files and scrapers.
Align pads and keys on reed or wind instruments.