Job Duties Custom List 49-2092.00 — Electric Motor, Power Tool, and Related Repairers

Rewire electrical systems, and repair or replace electrical accessories.

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Closely Related Tasks	All Related Tasks	Job Zone	Code	Occupation
2	7	3	49-2021.00	Radio, Cellular, and Tower Equipment Installers and Repairers
2	5	3	49-2022.00	Telecommunications Equipment Installers and Repairers, Except Line Installers Bright Outlook
1	7	3	49-9012.00	Control and Valve Installers and Repairers, Except Mechanical Door
1	4	3	49-2096.00	Electronic Equipment Installers and Repairers, Motor Vehicles
1	4	3	49-2095.00	Electrical and Electronics Repairers, Powerhouse, Substation, and Relay
1	4	3	49-2098.00	Security and Fire Alarm Systems Installers
1	2	2	49-9098.00	Helpers--Installation, Maintenance, and Repair Workers
1	2	2	49-3043.00	Rail Car Repairers
1	1	3	49-3042.00	Mobile Heavy Equipment Mechanics, Except Engines
1	1	3	49-3031.00	Bus and Truck Mechanics and Diesel Engine Specialists
1	1	3	49-3023.00	Automotive Service Technicians and Mechanics

Job Duties: Radio, Cellular, and Tower Equipment Installers and Repairers

Install or repair tower lighting components, including strobes, beacons, or lighting controllers.
Remove and replace defective components and parts such as conductors, resistors, semiconductors, and integrated circuits, using soldering irons, wire cutters, and hand tools.

Run appropriate power, ground, or coaxial cables.
Install, connect, or test underground or aboveground grounding systems.
Insert plugs into receptacles and bolt or screw leads to terminals to connect equipment to power sources, using hand tools.
Repair circuits, wiring, and soldering, using soldering irons and hand tools to install parts and adjust connections.
Test batteries, using hydrometers and ammeters, and charge batteries as necessary.

Inspect completed work to ensure all hardware is tight, antennas are level, hangers are properly fastened, proper support is in place, or adequate weather proofing has been installed.
Test operation of tower transmission components, using sweep testing tools or software.
Install all necessary transmission equipment components, including antennas or antenna mounts, surge arrestors, transmission lines, connectors, or tower-mounted amplifiers (TMAs).
Read work orders, blueprints, plans, datasheets or site drawings to determine work to be done.
Replace existing antennas with new antennas as directed.
Bolt equipment into place, using hand or power tools.
Complete reports related to project status, progress, or other work details, using computer software.
Check antenna positioning to ensure specified azimuths or mechanical tilts and adjust as necessary.
Transport equipment to work sites, using utility trucks and equipment trailers.
Take site survey photos or photos of work performed, using digital cameras.
Climb towers to access components, using safety equipment, such as full-body harnesses.
Climb communication towers to install, replace, or repair antennas or auxiliary equipment used to transmit and receive radio waves.
Lift equipment into position, using cranes and rigging tools or equipment, such as gin poles.
Perform maintenance or repair work on existing tower equipment, using hand or power tools.
Locate tower sites where work is to be performed, using mapping software.
Calibrate and align components, using scales, gauges, and other measuring instruments.
Examine malfunctioning radio equipment to locate defects such as loose connections, broken wires, or burned-out components, using schematic diagrams and test equipment.
Install, adjust, and repair stationary and mobile radio transmitting and receiving equipment and two-way radio communication systems.
Monitor radio range stations to detect transmission flaws and adjust controls to eliminate flaws.
Mount equipment on transmission towers and in vehicles such as ships or ambulances.
Test emergency transmitters to ensure their readiness for immediate use.
Test equipment functions such as signal strength and quality, transmission capacity, interference, and signal delay, using equipment such as oscilloscopes, circuit analyzers, frequency meters, and wattmeters.
Turn setscrews to adjust receivers for maximum sensitivity and transmitters for maximum output.
Install or repair tower lighting components, including strobes, beacons, or lighting controllers.
Remove and replace defective components and parts such as conductors, resistors, semiconductors, and integrated circuits, using soldering irons, wire cutters, and hand tools.
Run appropriate power, ground, or coaxial cables.
Install, connect, or test underground or aboveground grounding systems.
Insert plugs into receptacles and bolt or screw leads to terminals to connect equipment to power sources, using hand tools.
Repair circuits, wiring, and soldering, using soldering irons and hand tools to install parts and adjust connections.
Test batteries, using hydrometers and ammeters, and charge batteries as necessary.

Job Duties: Telecommunications Equipment Installers and Repairers, Except Line Installers

Remove and remake connections to change circuit layouts, following work orders or diagrams.
Remove and replace plug-in circuit equipment.

Run wires between components and to outside cable systems, connecting them to wires from telephone poles or underground cable accesses.
Repair or replace faulty equipment, such as defective and damaged telephones, wires, switching system components, and associated equipment.
Route and connect cables and lines to switches, switchboard equipment, and distributing frames, using wire-wrap guns or soldering irons to connect wires to terminals.

Demonstrate equipment to customers and explain its use, responding to any inquiries or complaints.
Test circuits and components of malfunctioning telecommunications equipment to isolate sources of malfunctions, using test meters, circuit diagrams, polarity probes, and other hand tools.
Test repaired, newly installed, or updated equipment to ensure that it functions properly and conforms to specifications, using test equipment and observation.
Climb poles and ladders, use truck-mounted booms, and enter areas such as manholes and cable vaults to install, maintain, or inspect equipment.
Assemble and install communication equipment such as data and telephone communication lines, wiring, switching equipment, wiring frames, power apparatus, computer systems, and networks.
Test connections to ensure that power supplies are adequate and that communications links function.
Note differences in wire and cable colors so that work can be performed correctly.
Inspect equipment on a regular basis to ensure proper functioning.
Collaborate with other workers to locate and correct malfunctions.
Remove loose wires and other debris after work is completed.
Maintain computer and manual records pertaining to facilities and equipment.
Communicate with bases, using telephones or two-way radios to receive instructions or technical advice, or to report equipment status.
Clean and maintain tools, test equipment, and motor vehicles.
Perform database verifications, using computers.
Request support from technical service centers when on-site procedures fail to solve installation or maintenance problems.
Analyze test readings, computer printouts, and trouble reports to determine equipment repair needs and required repair methods.
Adjust or modify equipment to enhance equipment performance or to respond to customer requests.
Refer to manufacturers' manuals to obtain maintenance instructions pertaining to specific malfunctions.
Dig holes or trenches as necessary for equipment installation and access.
Review manufacturer's instructions, manuals, technical specifications, building permits, and ordinances to determine communication equipment requirements and procedures.
Drive crew trucks to and from work areas.
Designate cables available for use.
Diagnose and correct problems from remote locations, using special switchboards to find the sources of problems.
Program computerized switches and switchboards to provide requested features.
Enter codes needed to correct electronic switching system programming.
Examine telephone transmission facilities to determine requirements for new or additional telephone services.
Measure distances from landmarks to identify exact installation sites for equipment.
Install updated software and programs that maintain existing software or provide requested features, such as time-correlated call routing.
Perform routine maintenance on equipment, including adjusting and lubricating components and painting worn or exposed areas.
Determine viability of sites through observation, and discuss site locations and construction requirements with customers.
Install telephone station equipment, such as intercommunication systems, transmitters, receivers, relays, and ringers, and related apparatus, such as coin collectors, telephone booths, and switching-key equipment.
Clean switches and replace contact points, using vacuum hoses, solvents, and hand tools.
Provide input into the design and manufacturing of new equipment.
Address special issues or situations, such as illegal or unauthorized use of equipment, or cases of electrical or acoustic shock.
Place intercept circuits on terminals to handle vacant lines in central office installations.
Remove and remake connections to change circuit layouts, following work orders or diagrams.
Remove and replace plug-in circuit equipment.
Run wires between components and to outside cable systems, connecting them to wires from telephone poles or underground cable accesses.
Repair or replace faulty equipment, such as defective and damaged telephones, wires, switching system components, and associated equipment.
Route and connect cables and lines to switches, switchboard equipment, and distributing frames, using wire-wrap guns or soldering irons to connect wires to terminals.

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

Repair electric meters and components, such as transformers and relays, and replace metering devices, dial glasses, and faulty or incorrect wiring, using hand tools.

Connect regulators to test stands, and turn screw adjustments until gauges indicate that inlet and outlet pressures meet specifications.
Trace and tag meters or house lines.
Attach air hoses to meter inlets, plug outlets, and observe gauges for pressure losses to test internal seams for leaks.
Clamp regulator units into vises on stages above water tanks, and attach compressed air hoses to intake ports.
Splice and connect cables from meters or current transformers to pull boxes or switchboards, using hand tools.
Connect hoses from provers to meter inlets and outlets, and raise prover bells until prover gauges register zero.

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.
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.
Investigate instances of illegal tapping into service lines.
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.
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.
Repair leaks in valve seats or bellows of automotive heater thermostats, using soft solder, flux, and acetylene torches.
Collect money due on delinquent accounts.
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.
Repair electric meters and components, such as transformers and relays, and replace metering devices, dial glasses, and faulty or incorrect wiring, using hand tools.
Connect regulators to test stands, and turn screw adjustments until gauges indicate that inlet and outlet pressures meet specifications.
Trace and tag meters or house lines.
Attach air hoses to meter inlets, plug outlets, and observe gauges for pressure losses to test internal seams for leaks.
Clamp regulator units into vises on stages above water tanks, and attach compressed air hoses to intake ports.
Splice and connect cables from meters or current transformers to pull boxes or switchboards, using hand tools.
Connect hoses from provers to meter inlets and outlets, and raise prover bells until prover gauges register zero.

Job Duties: Electronic Equipment Installers and Repairers, Motor Vehicles

Replace and clean electrical or electronic components.

Splice wires with knives or cutting pliers, and solder connections to fixtures and equipment.
Diagnose or repair problems with electronic equipment, such as sound, navigation, communication, and security equipment, in motor vehicles.
Run new speaker and electrical cables.

Install equipment and accessories, such as stereos, navigation equipment, communication equipment, and security systems.
Inspect and test electrical or electronic systems to locate and diagnose malfunctions, using visual inspections and testing instruments, such as oscilloscopes and voltmeters.
Cut openings and drill holes for fixtures and equipment, using electric drills and routers.
Confer with customers to determine the nature of malfunctions.
Remove seats, carpeting, and interiors of doors and add sound-absorbing material in empty spaces, reinstalling interior parts.
Record results of diagnostic tests.
Estimate costs of repairs, based on parts and labor charges.
Build fiberglass or wooden enclosures for sound components, and fit them to automobile dimensions.
Replace and clean electrical or electronic components.
Splice wires with knives or cutting pliers, and solder connections to fixtures and equipment.
Diagnose or repair problems with electronic equipment, such as sound, navigation, communication, and security equipment, in motor vehicles.
Run new speaker and electrical cables.

Job Duties: Electrical and Electronics Repairers, Powerhouse, Substation, and Relay

Repair, replace, and clean equipment and components such as circuit breakers, brushes, and commutators.

Open and close switches to isolate defective relays, performing adjustments or repairs.
Construct, test, maintain, and repair substation relay and control systems.
Disconnect voltage regulators, bolts, and screws, and connect replacement regulators to high-voltage lines.

Inspect and test equipment and circuits to identify malfunctions or defects, using wiring diagrams and testing devices such as ohmmeters, voltmeters, or ammeters.
Prepare and maintain records detailing tests, repairs, and maintenance.
Consult manuals, schematics, wiring diagrams, and engineering personnel to troubleshoot and solve equipment problems and to determine optimum equipment functioning.
Analyze test data to diagnose malfunctions, to determine performance characteristics of systems, or to evaluate effects of system modifications.
Notify facility personnel of equipment shutdowns.
Run signal quality and connectivity tests for individual cables, and record results.
Maintain inventories of spare parts for all equipment, requisitioning parts as necessary.
Test insulators and bushings of equipment by inducing voltage across insulation, testing current, and calculating insulation loss.
Schedule and supervise the construction and testing of special devices and the implementation of unique monitoring or control systems.
Schedule and supervise splicing or termination of cables in color-code order.
Test oil in circuit breakers and transformers for dielectric strength, refilling oil periodically.
Set forms and pour concrete footings for installation of heavy equipment.
Repair, replace, and clean equipment and components such as circuit breakers, brushes, and commutators.
Open and close switches to isolate defective relays, performing adjustments or repairs.
Construct, test, maintain, and repair substation relay and control systems.
Disconnect voltage regulators, bolts, and screws, and connect replacement regulators to high-voltage lines.

Job Duties: Security and Fire Alarm Systems Installers

Install, maintain, or repair security systems, alarm devices, or related equipment, following blueprints of electrical layouts and building plans.

Test and repair circuits and sensors, following wiring and system specifications.
Feed cables through access holes, roof spaces, or cavity walls to reach fixture outlets, positioning and terminating cables, wires, or strapping.
Mount raceways and conduits and fasten wires to wood framing, using staplers.

Mount and fasten control panels, door and window contacts, sensors, or video cameras, and attach electrical and telephone wiring to connect components.
Demonstrate systems for customers and explain details, such as the causes and consequences of false alarms.
Examine systems to locate problems, such as loose connections or broken insulation.
Test backup batteries, keypad programming, sirens, or other security features to ensure proper functioning or to diagnose malfunctions.
Drill holes for wiring in wall studs, joists, ceilings, or floors.
Inspect installation sites and study work orders, building plans, and installation manuals to determine materials requirements and installation procedures.
Consult with clients to assess risks and to determine security requirements.
Adjust sensitivity of units, based on room structures and manufacturers' recommendations, using programming keypads.
Keep informed of new products and developments.
Order replacement parts.
Prepare documents, such as invoices or warranties.
Provide customers with cost estimates for equipment installation.
Install, maintain, or repair security systems, alarm devices, or related equipment, following blueprints of electrical layouts and building plans.
Test and repair circuits and sensors, following wiring and system specifications.
Feed cables through access holes, roof spaces, or cavity walls to reach fixture outlets, positioning and terminating cables, wires, or strapping.
Mount raceways and conduits and fasten wires to wood framing, using staplers.

Job Duties: Helpers--Installation, Maintenance, and Repair Workers

Diagnose electrical problems and install and rewire electrical components.

Adjust, connect, or disconnect wiring, piping, tubing, and other parts, using hand or power tools.

Install or replace machinery, equipment, and new or replacement parts and instruments, using hand or power tools.
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.
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.
Diagnose electrical problems and install and rewire electrical components.
Adjust, connect, or disconnect wiring, piping, tubing, and other parts, using hand or power tools.

Job Duties: Rail Car Repairers

Replace defective wiring and insulation, and tighten electrical connections, using hand tools.

Repair and maintain electrical and electronic controls for propulsion and braking systems.

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.
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.
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.
Align car sides for installation of car ends and crossties, using width gauges, turnbuckles, and wrenches.
Repair car upholstery.
Replace defective wiring and insulation, and tighten electrical connections, using hand tools.
Repair and maintain electrical and electronic controls for propulsion and braking systems.

Job Duties: Mobile Heavy Equipment Mechanics, Except Engines

Repair, rewire, and troubleshoot electrical systems.

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.
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.
Repair, rewire, and troubleshoot electrical systems.

Job Duties: Bus and Truck Mechanics and Diesel Engine Specialists

Rewire ignition systems, lights, and instrument panels.

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.
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.
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.
Rewire ignition systems, lights, and instrument panels.

Job Duties: Automotive Service Technicians and Mechanics

Rewire ignition systems, lights, and instrument panels.

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.
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.
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.
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.
Rewire ignition systems, lights, and instrument panels.