Job Profile:      AC/DC Rewinder

Repair, maintain, or install electric motors, wiring, or switches.

Job Information
47,920 61,030 98,490

Select Tasks
Record repairs required, parts used, and labor time. Reassemble repaired electric motors to specified requirements and ratings, using hand tools and electrical meters. Maintain stocks of parts.
Repair and rebuild defective mechanical parts in electric motors, generators, and related equipment, using hand tools and power tools. Rewire electrical systems, and repair or replace electrical accessories. Inspect electrical connections, wiring, relays, charging resistance boxes, and storage batteries, following wiring diagrams.
Read service guides to find information needed to perform repairs. Inspect and test equipment to locate damage or worn parts and diagnose malfunctions, or read work orders or schematic drawings to determine required repairs. Solder, wrap, and coat wires to ensure proper insulation.
Assemble electrical parts such as alternators, generators, starting devices, and switches, following schematic drawings and using hand, machine, and power tools. Lubricate moving parts. Remove and replace defective parts such as coil leads, carbon brushes, and wires, using soldering equipment.
Disassemble defective equipment so that repairs can be made, using hand 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. Weld, braze, or solder electrical connections.
Reface, ream, and polish commutators and machine parts to specified tolerances, using machine tools. Adjust working parts, such as fan belts, contacts, and springs, using hand tools and gauges. Clean cells, cell assemblies, glassware, leads, electrical connections, and battery poles, using scrapers, steam, water, emery cloths, power grinders, or acid.
Scrape and clean units or parts, using cleaning solvents and equipment such as buffing wheels. Rewind coils on cores in slots, or make replacement coils, using coil-winding machines. Cut and form insulation, and insert insulation into armature, rotor, or stator slots.
Set machinery for proper performance, using computers. Drain and filter transformer oil and refill transformers with oil until coils are submerged. Position and level battery cells, anodes, or cathodes, using hoists or leveling jacks, or signal other workers to perform positioning and leveling.
Verify and adjust alignments and dimensions of parts, using gauges and tracing lathes. Test equipment for overheating, using speed gauges and thermometers. Bolt porcelain insulators to wood parts to assemble hot stools.
Pour compounds into transformer-case terminal openings to seal out moisture. Test conditions, fluid levels, and specific gravities of electrolyte cells, using voltmeters, hydrometers, and thermometers. Clean, rinse, and dry transformer cases, using boiling water, scrapers, solvents, hoses, and cloths.
Inspect batteries for structural defects such as dented cans, damaged carbon rods and terminals, and defective seals. Steam-clean polishing and buffing wheels to remove abrasives and bonding materials, and spray, brush, or recoat surfaces as necessary. Test battery charges, and replace or recharge batteries as necessary.
Repair and operate battery-charging equipment. Add water or acid to battery cell solutions to obtain specified concentrations. Sharpen tools such as saws, picks, shovels, screwdrivers, and scoops, either manually or by using bench grinders and emery wheels.
Seal joints with putty, mortar, and asbestos, using putty extruders and knives. Hammer out dents and twists in tools and equipment.

Select Abilities
The ability to read and understand information and ideas presented in writing. The ability to communicate information and ideas in speaking so others will understand. The ability to communicate information and ideas in writing so others will understand.
The ability to come up with a number of ideas about a topic (the number of ideas is important, not their quality, correctness, or creativity). The ability to come up with unusual or clever ideas about a given topic or situation, or to develop creative ways to solve a problem. The ability to tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem.
The ability to apply general rules to specific problems to produce answers that make sense. The ability to combine pieces of information to form general rules or conclusions (includes finding a relationship among seemingly unrelated events). The ability to arrange things or actions in a certain order or pattern according to a specific rule or set of rules (e.g., patterns of numbers, letters, words, pictures, mathematical operations).
The ability to generate or use different sets of rules for combining or grouping things in different ways. The ability to choose the right mathematical methods or formulas to solve a problem. The ability to add, subtract, multiply, or divide quickly and correctly.
The ability to remember information such as words, numbers, pictures, and procedures. The ability to quickly make sense of, combine, and organize information into meaningful patterns. The ability to identify or detect a known pattern (a figure, object, word, or sound) that is hidden in other distracting material.
The ability to quickly and accurately compare similarities and differences among sets of letters, numbers, objects, pictures, or patterns. The things to be compared may be presented at the same time or one after the other. This ability also includes comparing a presented object with a remembered object. The ability to know your location in relation to the environment or to know where other objects are in relation to you. The ability to imagine how something will look after it is moved around or when its parts are moved or rearranged.
The ability to concentrate on a task over a period of time without being distracted. The ability to shift back and forth between two or more activities or sources of information (such as speech, sounds, touch, or other sources). The ability to keep your hand and arm steady while moving your arm or while holding your arm and hand in one position.
The ability to quickly move your hand, your hand together with your arm, or your two hands to grasp, manipulate, or assemble objects. The ability to make precisely coordinated movements of the fingers of one or both hands to grasp, manipulate, or assemble very small objects. The ability to quickly and repeatedly adjust the controls of a machine or a vehicle to exact positions.
The ability to coordinate two or more limbs (for example, two arms, two legs, or one leg and one arm) while sitting, standing, or lying down. It does not involve performing the activities while the whole body is in motion. The ability to choose quickly between two or more movements in response to two or more different signals (lights, sounds, pictures). It includes the speed with which the correct response is started with the hand, foot, or other body part. The ability to time your movements or the movement of a piece of equipment in anticipation of changes in the speed and/or direction of a moving object or scene.
The ability to quickly respond (with the hand, finger, or foot) to a signal (sound, light, picture) when it appears. The ability to make fast, simple, repeated movements of the fingers, hands, and wrists. The ability to quickly move the arms and legs.
The ability to exert maximum muscle force to lift, push, pull, or carry objects. The ability to use short bursts of muscle force to propel oneself (as in jumping or sprinting), or to throw an object. The ability to exert muscle force repeatedly or continuously over time. This involves muscular endurance and resistance to muscle fatigue.
The ability to use your abdominal and lower back muscles to support part of the body repeatedly or continuously over time without 'giving out' or fatiguing. The ability to exert yourself physically over long periods of time without getting winded or out of breath. The ability to bend, stretch, twist, or reach with your body, arms, and/or legs.
The ability to quickly and repeatedly bend, stretch, twist, or reach out with your body, arms, and/or legs. The ability to coordinate the movement of your arms, legs, and torso together when the whole body is in motion. The ability to keep or regain your body balance or stay upright when in an unstable position.
The ability to see details at close range (within a few feet of the observer). The ability to see details at a distance. The ability to match or detect differences between colors, including shades of color and brightness.
The ability to see under low light conditions. The ability to see objects or movement of objects to one's side when the eyes are looking ahead. The ability to judge which of several objects is closer or farther away from you, or to judge the distance between you and an object.
The ability to see objects in the presence of glare or bright lighting. The ability to detect or tell the differences between sounds that vary in pitch and loudness. The ability to focus on a single source of sound in the presence of other distracting sounds.
The ability to tell the direction from which a sound originated. The ability to identify and understand the speech of another person. The ability to speak clearly so others can understand you.

Tools Used
Adjustable hand wrenches Air grinders Alignment lasers
Analog ohmmeters Arbor presses Armature air gap gauges
Armature winders Automatic wire strippers Bake ovens
Bar-to-bar testers Bearing puller sets Bearing setting tools
Bench ammeters Bench grinders Bench voltmeters
Brazing machines Cabinet-tip screwdrivers Cable cutters
Carburetor synchronizers Chamfer mills Clamp ammeters
Clamp voltmeters Coil cut-off machines Commutator grinders
Commutator undercutters Conduit-fitting and reaming screwdrivers Cordless soldering irons
Core-loss testers Dead blow hammers Diagonal-cutting pliers
Digital multimeters Digital ohmmeters Digital oscilloscopes
Digital tachometers Dip tanks Dry ice blasters
Electric coil winders Electric welders Electricians' knives
Electro-brush platers Forklift trucks Gas welders
Growler armature testers Hand saws Handheld power grinders
Handheld wire strippers Hydraulic wire crimpers Insulation resistance testers
Insulation trimmers Keystone-tip screwdrivers Knurling tool attachments
Lamination tooth straighteners Light emitting diode LED voltage tester Longnosed pliers
Measuring tapes Meggers Neon voltage testers
Nut wrenches Nylon hammers Paint booths
Parts washers Personal computers Phase rotation indicators
Portable vibration testers Power dynamometers Pump pliers
Rawhide mallets Repairman's stethoscopes Rubber-grip hacksaws
Series solenoid voltage testers Side cutting pliers Slot cleaning brushes
Slot shavers Square-recess tip screwdrivers Surge testers
Tablet computers Thermal cameras Threaders
Torpedo levels Twin wheel wire strippers Utility knives
Vacuum impregnators Vibration analyzers Volt-ammeters
Wedge drivers Winder's shears Winding testers
Wire cutters

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