Assists armature winder, repair in repairing electric motors and generators

burns old insulation from coils, using blowtorch, and strips old coils from armatures and stators, using handsaw and wirecutter. Scrubs mechanical parts of motors, such as shafts, gears, and laminations, using... [+] More

Assists armature winder, repair in repairing electric motors and generators

burns old insulation from coils, using blowtorch, and strips old coils from armatures and stators, using handsaw and wirecutter. Scrubs mechanical parts of motors, such as shafts, gears, and laminations, using cleaning fluid, wire brush, and scraper. Guides compressed air stream on parts to dry and remove loose dirt. Winds coils, using coil winding machine. Tapes coils by hand or using machine. Dips armatures and stators in enamel or varnish tank to insulate coils and paints motor and generator housings, using brush. Performs other duties as described under helper. [-] Less

Repairs electric motors, generators, and equipment, such as starting devices and switches, following schematic drawings, and using handtools, coil-winding machines, power tools, and test equipment

disassembles and removes armature, stator, or rotor from housing. Examines coil connections for broken or defective... [+] More

Repairs electric motors, generators, and equipment, such as starting devices and switches, following schematic drawings, and using handtools, coil-winding machines, power tools, and test equipment

disassembles and removes armature, stator, or rotor from housing. Examines coil connections for broken or defective wiring. Tests coils, armatures, stator, rotor, and field coils for continuity, shorts, and grounds and insulation resistance, using test lamp, ammeter, and ohmmeter. Cuts out or removes defective coils and removes insulation from core slots. Cuts and forms insulation and inserts insulation into armature, rotor, or stator slots. Rewinds coils on core while in slots manually or makes replacement coils, using coil-winding machine. Installs and aligns prewound coils in slots, using hammer, drift, or mallet. Replaces defective coil leads and solders connections of coils in specified sequence. Examines bearings, shafts, and other moving parts for excessive wear or defects. Refaces commutators and machines parts to specified tolerances, using machine tools. Assembles and tests motor for specified performance. May be designated according to size of motor repaired as fractional-horsepower motor repairer; equipment repaired as dynamotor repairer; or part repaired as armature straightener; coil-connector repairer; commutator repairer; field-coil repairer; stator repairer. [-] Less

Assembles and tests electric motor and generator stators, armatures, or rotors

inspects cores for defects and aligns laminations, using hammer and drift. Files burrs from core slots, using hand file, portable power file, and scraper. Lines slots with sheet insulation and... [+] More

Assembles and tests electric motor and generator stators, armatures, or rotors

inspects cores for defects and aligns laminations, using hammer and drift. Files burrs from core slots, using hand file, portable power file, and scraper. Lines slots with sheet insulation and inserts coils into slots. Cuts, strips, and bends wire leads at ends of coils, using pliers and wire scrapers. Twists leads together to connect coils. Taps coil and end windings to shape, using hammer and fiber block. Tests windings for motor-housing clearance, grounds, and short circuits, using clearance gauge, growler, spring-steel blade, telephone receiver, insulation tester, and resistance bridge. Winds new coils on armatures, stators, or rotors of used motors and generators. May rewind defective coils. May be designated according to motor part wound as armature winder; rotor winder; stator winder. [-] Less

Winds steel wire around coil slots in armature core to hold coils in position when armature rotates, using banding machine

lifts or hoists armature to horizontal spindle of banding machine. Shapes exposed parts of coils to specified size, using rawhide hammer.... [+] More

Winds steel wire around coil slots in armature core to hold coils in position when armature rotates, using banding machine

lifts or hoists armature to horizontal spindle of banding machine. Shapes exposed parts of coils to specified size, using rawhide hammer. Mounts spool of specified wire and threads wire through guides of machine. Wraps sheet of insulation around core and attaches wire to pin wedged in core or twists first turn around armature, using pliers. Inserts metal clips under wire and turns crank to rotate armature or starts machine that winds wire around armature. Guides wire manually or mechanically to maintain tension. Turns ends of metal clips over wire and solders to hold wires in place. Solders armature leads to commutator and caps riser, using electric soldering iron. May shape coils coil shaper. [-] Less

Winds coils used in electrical equipment and instruments or as electronic components, according to wiring diagrams, sample coil, or work order, using coil-winding machines and handtools

reviews wiring diagrams and work order or examines sample coil to ascertain type and size... [+] More

Winds coils used in electrical equipment and instruments or as electronic components, according to wiring diagrams, sample coil, or work order, using coil-winding machines and handtools

reviews wiring diagrams and work order or examines sample coil to ascertain type and size of wire specified, and type, size, length, circumference, and primary and secondary windings of coil to be wound. Selects coil-forming device for specified coil and fastens device onto machine arbor, mandrel, or spindle or fastens device between chuck and tail stock. Threads end of wire from reel through tension device, guides, and spreader, bends wire ends to form lead, and attaches lead to coil core. Turns setscrews to adjust tension on wire and sets counter for number of turns specified. Starts machine and manually feeds wire over coil core or spreader to obtain even and uniform winding and shape of coil. Observes counter and stops machine at specified number of coils. Wraps insulation between layers and around wound coil or inserts plastic blocks between turns to form cooling ducts. Cuts wire to form leads, using wire or bolt cutters. Pounds coil with hammer or mallet to shape end windings or remove coil from fixtures. Winds cotton, glass mica, paper, or tape around coil, and brushes varnish on coil or dips coil in varnish, epoxy, or wax to reinforce and seal coil. Strips insulation from end of lead wires, threads lead wires through insulating sleeves or slides sleeves over leads, and solders lead wires to terminals. May test coils for winding continuity, using test lamp. May cut and form. [-] Less

Dips assembled electrical equipment components into materials, such as varnish, enamel, or asphalt to insulate wires and coils and tends oven that dries dipped components

pours dipping solution into vat and measures consistency with hydrometer, adding thinner to control density. Sets... [+] More

Dips assembled electrical equipment components into materials, such as varnish, enamel, or asphalt to insulate wires and coils and tends oven that dries dipped components

pours dipping solution into vat and measures consistency with hydrometer, adding thinner to control density. Sets vat thermostat at prescribed temperature. Hangs or bolts components to be dipped, such as armatures or transformers, on racks, lifts them manually or by use of hand-operated hoist, and immerses them in vat for prescribed time. Removes components and places them on racks to drain. Sets oven temperature controls and places dipped units in oven to bake and dry for specified time. May clean and coat electrical leads by dipping them in molten solder. May paint armatures and field coils, using brush, or pour insulating compound over coils. May be designated according to unit impregnated as armature varnisher; field-coil enameler. [-] Less

Assembles and tests electric motor and generator stators, armatures, or rotors

inspects cores for defects and aligns laminations, using hammer and drift. Files burrs from core slots, using hand file, portable power file, and scraper. Lines slots with sheet insulation and... [+] More

Assembles and tests electric motor and generator stators, armatures, or rotors

inspects cores for defects and aligns laminations, using hammer and drift. Files burrs from core slots, using hand file, portable power file, and scraper. Lines slots with sheet insulation and inserts coils into slots. Cuts, strips, and bends wire leads at ends of coils, using pliers and wire scrapers. Twists leads together to connect coils. Taps coil and end windings to shape, using hammer and fiber block. Tests windings for motor-housing clearance, grounds, and short circuits, using clearance gauge, growler, spring-steel blade, telephone receiver, insulation tester, and resistance bridge. Winds new coils on armatures, stators, or rotors of used motors and generators. May rewind defective coils. May be designated according to motor part wound as armature winder; rotor winder; stator winder. [-] Less

Winds coils used in electrical equipment and instruments or as electronic components, according to wiring diagrams, sample coil, or work order, using coil-winding machines and handtools

reviews wiring diagrams and work order or examines sample coil to ascertain type and size... [+] More

Winds coils used in electrical equipment and instruments or as electronic components, according to wiring diagrams, sample coil, or work order, using coil-winding machines and handtools

reviews wiring diagrams and work order or examines sample coil to ascertain type and size of wire specified, and type, size, length, circumference, and primary and secondary windings of coil to be wound. Selects coil-forming device for specified coil and fastens device onto machine arbor, mandrel, or spindle or fastens device between chuck and tail stock. Threads end of wire from reel through tension device, guides, and spreader, bends wire ends to form lead, and attaches lead to coil core. Turns setscrews to adjust tension on wire and sets counter for number of turns specified. Starts machine and manually feeds wire over coil core or spreader to obtain even and uniform winding and shape of coil. Observes counter and stops machine at specified number of coils. Wraps insulation between layers and around wound coil or inserts plastic blocks between turns to form cooling ducts. Cuts wire to form leads, using wire or bolt cutters. Pounds coil with hammer or mallet to shape end windings or remove coil from fixtures. Winds cotton, glass mica, paper, or tape around coil, and brushes varnish on coil or dips coil in varnish, epoxy, or wax to reinforce and seal coil. Strips insulation from end of lead wires, threads lead wires through insulating sleeves or slides sleeves over leads, and solders lead wires to terminals. May test coils for winding continuity, using test lamp. May cut and form. [-] Less

Winds steel wire around coil slots in armature core to hold coils in position when armature rotates, using banding machine

lifts or hoists armature to horizontal spindle of banding machine. Shapes exposed parts of coils to specified size, using rawhide hammer.... [+] More

Winds steel wire around coil slots in armature core to hold coils in position when armature rotates, using banding machine

lifts or hoists armature to horizontal spindle of banding machine. Shapes exposed parts of coils to specified size, using rawhide hammer. Mounts spool of specified wire and threads wire through guides of machine. Wraps sheet of insulation around core and attaches wire to pin wedged in core or twists first turn around armature, using pliers. Inserts metal clips under wire and turns crank to rotate armature or starts machine that winds wire around armature. Guides wire manually or mechanically to maintain tension. Turns ends of metal clips over wire and solders to hold wires in place. Solders armature leads to commutator and caps riser, using electric soldering iron. May shape coils coil shaper. [-] Less

Winds coils for repair of electric motor and generator parts, such as rotors, stators, and armatures, using original winding as guide to determine number of turns and size of wire

winds coil on machine or directly into slots of rotors, stators,... [+] More

Winds coils for repair of electric motor and generator parts, such as rotors, stators, and armatures, using original winding as guide to determine number of turns and size of wire

winds coil on machine or directly into slots of rotors, stators, and armatures or pounds heavy copper over template to form coils. Operates coil spreading machine to shape rigid coils for placement into slots. Tends coil taping machine or winds tape around coils by hand to insulate coils. Cuts and forms sheet insulation to fit slots, using paper cutter and forming fixture. Inserts coils into slots and pounds, using mallet and block, to compress and shape windings. Twists coil leads together to form groups of coils according to original winding and solders connections, using soldering iron. May paint coils with insulating varnish or enamel. May be designated according to coil wound as field-coil winder. [-] Less