- Inspect switch-controlling mechanisms on trolley wires and in track beds, using hand tools and test equipment.
Occupations with related tasks Save Table: XLSX CSV
| Closely Related Tasks | All Related Tasks | Job Zone | Code | Occupation |
| 1 | 2 | 2 | 49-9098.00 | Helpers--Installation, Maintenance, and Repair Workers |
| 1 | 2 | 3 | 49-2092.00 | Electric Motor, Power Tool, and Related Repairers |
| 1 | 2 | 3 | 49-9012.00 | Control and Valve Installers and Repairers, Except Mechanical Door |
| 1 | 1 | 3 | 49-9081.00 | Wind Turbine Service Technicians 
|
| 1 | 1 | 3 | 49-3041.00 | Farm Equipment Mechanics and Service Technicians
|
| 1 | 1 | 3 | 49-9061.00 | Camera and Photographic Equipment Repairers |
| 1 | 1 | 3 | 49-9064.00 | Watch and Clock Repairers |
| 1 | 1 | 3 | 49-9041.00 | Industrial Machinery Mechanics
|
| 1 | 1 | 2 | 49-9091.00 | Coin, Vending, and Amusement Machine Servicers and Repairers |
| 1 | 1 | 3 | 49-9043.00 | Maintenance Workers, Machinery
|
| 1 | 1 | 3 | 49-9062.00 | Medical Equipment Repairers
|
| 1 | 1 | 3 | 49-3042.00 | Mobile Heavy Equipment Mechanics, Except Engines
|
| 1 | 1 | 3 | 49-9071.00 | Maintenance and Repair Workers, General
|
| 1 | 1 | 3 | 49-9063.00 | Musical Instrument Repairers and Tuners |
| 1 | 1 | 3 | 49-3011.00 | Aircraft Mechanics and Service Technicians |
- Examine and test machinery, equipment, components, and parts for defects to ensure proper functioning.
- Diagnose electrical problems and install and rewire electrical components.
- Install or replace machinery, equipment, and new or replacement parts and instruments, using hand or power tools.
- 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.
- Disassemble broken or defective equipment to facilitate repair and reassemble equipment when repairs are complete.
- 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.
- Examine and test machinery, equipment, components, and parts for defects to ensure proper functioning.
- Diagnose electrical problems and install and rewire electrical components.
- Inspect and test equipment to locate damage or worn parts and diagnose malfunctions, or read work orders or schematic drawings to determine required repairs.
- Inspect electrical connections, wiring, relays, charging resistance boxes, and storage batteries, following wiring diagrams.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Test battery charges, and replace or recharge batteries as necessary.
- Inspect and test equipment to locate damage or worn parts and diagnose malfunctions, or read work orders or schematic drawings to determine required repairs.
- Inspect electrical connections, wiring, relays, charging resistance boxes, and storage batteries, following wiring diagrams.
- Examine valves or mechanical control device parts for defects, dents, or loose attachments, and mark malfunctioning areas of defective units.
- Install, inspect and test electric meters, relays, and power sources to detect causes of malfunctions and inaccuracies, using hand tools and testing equipment.
- 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.
- 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.
- 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.
- 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.
- 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.
- Repair leaks in valve seats or bellows of automotive heater thermostats, using soft solder, flux, and acetylene torches.
- Splice and connect cables from meters or current transformers to pull boxes or switchboards, using hand tools.
- Advise customers on proper installation of valves or regulators and related equipment.
- 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.
- Examine valves or mechanical control device parts for defects, dents, or loose attachments, and mark malfunctioning areas of defective units.
- Install, inspect and test electric meters, relays, and power sources to detect causes of malfunctions and inaccuracies, using hand tools and testing equipment.
- Inspect or repair fiberglass turbine blades.
- Troubleshoot or repair mechanical, hydraulic, or electrical malfunctions related to variable pitch systems, variable speed control systems, converter systems, or related components.
- Perform routine maintenance on wind turbine equipment, underground transmission systems, wind fields substations, or fiber optic sensing and control systems.
- Diagnose problems involving wind turbine generators or control systems.
- Test electrical components of wind systems with devices, such as voltage testers, multimeters, oscilloscopes, infrared testers, or fiber optic equipment.
- Start or restart wind turbine generator systems to ensure proper operations.
- Climb wind turbine towers to inspect, maintain, or repair equipment.
- Maintain tool and spare parts inventories required for repair, installation, or replacement services.
- Test structures, controls, or mechanical, hydraulic, or electrical systems, according to test plans or in coordination with engineers.
- Train end-users, distributors, installers, or other technicians in wind commissioning, testing, or other technical procedures.
- Collect turbine data for testing or research and analysis.
- Assist in assembly of individual wind generators or construction of wind farms.
- Inspect or repair fiberglass turbine blades.
- Examine and listen to equipment, read inspection reports, and confer with customers to locate and diagnose malfunctions.
- Maintain, repair, and overhaul farm machinery and vehicles, such as tractors, harvesters, and irrigation systems.
- Dismantle defective machines for repair, using hand tools.
- Record details of repairs made and parts used.
- Reassemble machines and equipment following repair, testing operation and making adjustments, as necessary.
- Clean and lubricate parts.
- Test and replace electrical components and wiring, using test meters, soldering equipment, and hand tools.
- Tune or overhaul engines.
- 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.
- Examine and listen to equipment, read inspection reports, and confer with customers to locate and diagnose malfunctions.
- Examine cameras, equipment, processed film, or laboratory reports to diagnose malfunction, using work aids and specifications.
- Adjust cameras, photographic mechanisms, or equipment such as range and view finders, shutters, light meters, or lens systems, using hand tools.
- Disassemble equipment to gain access to defect, 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.
- 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.
- Assemble aircraft cameras, still or motion picture cameras, photographic equipment, or frames, using diagrams, blueprints, bench machines, hand tools, or power tools.
- 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.
- Examine cameras, equipment, processed film, or laboratory reports to diagnose malfunction, using work aids and specifications.
- Disassemble timepieces and inspect them for defective, worn, misaligned, or rusty parts, using loupes.
- Clean, rinse, and dry timepiece parts, using solutions and ultrasonic or mechanical watch-cleaning machines.
- Adjust timing regulators, using truing calipers, watch-rate recorders, and tweezers.
- Reassemble timepieces, replacing glass faces and batteries, before returning them to customers.
- Oil moving parts of timepieces.
- Estimate repair costs and timepiece values.
- Repair or replace broken, damaged, or worn parts on timepieces, using lathes, drill presses, and hand tools.
- Test timepiece accuracy and performance, using meters and other electronic instruments.
- Perform regular adjustment and maintenance on timepieces, watch cases, and watch bands.
- Order supplies, including replacement parts, for timing instruments.
- Gather information from customers about a timepiece's problems and its service history.
- Test and replace batteries and other electronic components.
- Record quantities and types of timepieces repaired, serial and model numbers of items, work performed, and charges for repairs.
- Demagnetize mechanisms, using demagnetizing machines.
- Fabricate parts for watches and clocks, using small lathes and other machines.
- Disassemble timepieces and inspect them for defective, worn, misaligned, or rusty parts, using loupes.
- Examine parts for defects, such as breakage or excessive wear.
- 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.
- Disassemble machinery or equipment to remove parts and make repairs.
- Reassemble equipment after completion of inspections, testing, or repairs.
- 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.
- Examine parts for defects, such as breakage or excessive wear.
- Inspect machines and meters to determine causes of malfunctions and fix minor problems such as jammed bills or stuck products.
- Fill machines with products, ingredients, money, and other supplies.
- Test machines to determine proper functioning.
- Replace malfunctioning parts, such as worn magnetic heads on automatic teller machine (ATM) card readers.
- Maintain records of machine maintenance and repair.
- Clean and oil machine parts.
- Order parts needed for machine repairs.
- Adjust and repair coin, vending, or amusement machines and meters and replace defective mechanical and electrical parts, using hand tools, soldering irons, and diagrams.
- Record transaction information on forms or logs, and notify designated personnel of discrepancies.
- Keep records of merchandise distributed and money collected.
- Collect coins and bills from machines, prepare invoices, and settle accounts with concessionaires.
- Make service calls to maintain and repair machines.
- Adjust machine pressure gauges and thermostats.
- Disassemble and assemble machines, according to specifications and using hand and power tools.
- Contact other repair personnel or make arrangements for the removal of machines in cases where major repairs are required.
- Transport machines to installation sites.
- Refer to manuals and wiring diagrams to gather information needed to repair machines.
- Install machines, making the necessary water and electrical connections in compliance with codes.
- Inspect machines and meters to determine causes of malfunctions and fix minor problems such as jammed bills or stuck products.
- Inspect or test damaged machine parts, and mark defective areas or advise supervisors of repair needs.
- Dismantle machines and remove parts for repair, using hand tools, chain falls, jacks, cranes, or hoists.
- Reassemble machines after the completion of repair or maintenance work.
- Record production, repair, and machine maintenance information.
- Lubricate or apply adhesives or other materials to machines, machine parts, or other equipment according to specified procedures.
- Install, replace, or change machine parts and attachments, according to production specifications.
- Set up and operate machines, and adjust controls to regulate operations.
- Collaborate with other workers to repair or move machines, machine parts, or equipment.
- Read work orders and specifications to determine machines and equipment requiring repair or maintenance.
- Start machines and observe mechanical operation to determine efficiency and to detect problems.
- Transport machine parts, tools, equipment, and other material between work areas and storage, using cranes, hoists, or dollies.
- Collect and discard worn machine parts and other refuse to maintain machinery and work areas.
- Inventory and requisition machine parts, equipment, and other supplies so that stock can be maintained and replenished.
- Remove hardened material from machines or machine parts, using abrasives, power and hand tools, jackhammers, sledgehammers, or other equipment.
- Replace, empty, or replenish machine and equipment containers such as gas tanks or boxes.
- Clean machines and machine parts, using cleaning solvents, cloths, air guns, hoses, vacuums, or other equipment.
- Replace or repair metal, wood, leather, glass, or other lining in machines, or in equipment compartments or containers.
- 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.
- Inspect, test, or troubleshoot malfunctioning medical or related equipment, following manufacturers' specifications and using test and analysis instruments.
- Test or calibrate components or equipment, following manufacturers' manuals and troubleshooting techniques, using hand tools, power tools, or measuring devices.
- Perform preventive maintenance or service, such as cleaning, lubricating, or adjusting equipment.
- Keep records of maintenance, repair, and required updates of equipment.
- Disassemble malfunctioning equipment and remove, repair, or replace defective parts, such as motors, clutches, or transformers.
- Examine medical equipment or facility's structural environment and check for proper use of equipment to protect patients and staff from electrical or mechanical hazards and to ensure compliance with safety regulations.
- Install medical equipment.
- Test, evaluate, and classify excess or in-use medical equipment and determine serviceability, condition, and disposition, in accordance with regulations.
- Plan and carry out work assignments, using blueprints, schematic drawings, technical manuals, wiring diagrams, or liquid or air flow sheets, following prescribed regulations, directives, or other instructions as required.
- Study technical manuals or attend training sessions provided by equipment manufacturers to maintain current knowledge.
- Explain or demonstrate correct operation or preventive maintenance of medical equipment to personnel.
- Research catalogs or repair part lists to locate sources for repair parts, requisitioning parts and recording their receipt.
- Repair shop equipment, metal furniture, or hospital equipment, including welding broken parts or replacing missing parts, or bring item into local shop for major repairs.
- Solder loose connections, using soldering iron.
- Compute power and space requirements for installing medical, dental, or related equipment and install units to manufacturers' specifications.
- Evaluate technical specifications to identify equipment or systems best suited for intended use and possible purchase, based on specifications, user needs, or technical requirements.
- Contribute expertise to develop medical maintenance standard operating procedures.
- Fabricate, dress down, or substitute parts or major new items to modify equipment to meet unique operational or research needs, working from job orders, sketches, modification orders, samples, or discussions with operating officials.
- Supervise or advise subordinate personnel.
- Make computations relating to load requirements of wiring or equipment, using algebraic expressions and standard formulas.
- Inspect, test, or troubleshoot malfunctioning medical or related equipment, following manufacturers' specifications and using test and analysis instruments.
- Operate and inspect machines or heavy equipment to diagnose defects.
- 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.
- 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.
- Assemble gear systems, and align frames and gears.
- 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.
- Operate and inspect machines or heavy equipment to diagnose defects.
- Inspect, operate, or test machinery or equipment to diagnose machine malfunctions.
- Perform routine maintenance, such as inspecting drives, motors, or belts, checking fluid levels, replacing filters, or doing other preventive maintenance actions.
- 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.
- 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.
- Dismantle machines, equipment, or devices to access and remove defective parts, using hoists, cranes, hand tools, or power tools.
- 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.
- Perform routine maintenance on boilers, such as replacing burners or hoses, installing replacement parts, or reinforcing structural weaknesses to ensure optimal boiler efficiency.
- 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.
- Position, attach, or blow insulating materials to prevent energy losses from buildings, pipes, or other structures or objects.
- 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.
- Inspect, operate, or test machinery or equipment to diagnose machine malfunctions.
- Inspect instruments to locate defects, and to determine their value or the level of restoration required.
- 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.
- 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.
- Deliver pianos to purchasers or to locations of their use.
- Remove drumheads by removing tension rods with drum keys and cutting tools.
- 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.
- Assemble bars onto percussion instruments.
- Clean, sand, and paint parts of percussion instruments to maintain their condition.
- Replace xylophone bars and wheels.
- Inspect instruments to locate defects, and to determine their value or the level of restoration required.
- Measure the tension of control cables.
- 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.
- 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.
- 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.
- 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.
- Install and align repaired or replacement parts for subsequent riveting or welding, using clamps and wrenches.
- 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.
- 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.
- Measure the tension of control cables.
