DETAILED OCCUPATION DATA
49-2092 Electric Motor, Power Tool, and Related Repairers
Occupational Description:
Repair, maintain, or install electric motors, wiring, or switches.| Percentiles | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Geography | Employment | Emp SE* | Mean | Mean SE* | 10th | 25th | Median | 75th | 90th |
| EDR 11 - 7 County Twin Cities | 210 | 88 | $21.95/hr | $2.42/hr | $11.27/hr | $18.45/hr | $22.10/hr | $26.80/hr | $32.01/hr |
| Minnesota | 370 | 98 | $19.58/hr | $1.55/hr | $10.17/hr | $12.76/hr | $19.82/hr | $24.94/hr | $30.13/hr |
| U S | 18,710 | 973 | $18.70/hr | $0.22/hr | $10.30/hr | $13.72/hr | $17.64/hr | $22.48/hr | $28.89/hr |
| *SE = Standard error, a measure of the statistical reliability of the estimate. | |||||||||
|
| |||||||||||||||||||||||||||||||||||||
Tasks for Electric Motor, Power Tool, and Related Repairers
- Disassembles appliance to examine specific mechanical and electrical parts to diagnose problem.
- Instructs customer regarding operation and care of appliance and provides emergency service number.
- Traces electrical circuits, following diagram, to locate shorts and grounds, using electrical circuit testers.
- Measures and performs minor carpentry procedures to area where appliance is to be installed.
- Records nature of maintenance or repair in log and returns to business office for further assignments.
- Maintains stock of parts used in on-site installation, maintenance, and repair of appliance.
- Cleans, lubricates, and touches up minor scratches on newly installed or repaired appliance.
- Replaces worn and defective parts, such as switches, bearings, transmissions, belts, gears, circuit boards, or defective wiring.
- Reassembles unit, making necessary adjustments to ensure efficient operation.
- Connects appliance to power source and uses test instruments to calibrate timers and thermostats and to adjust contact points.
- Observes and examines appliance during operation to detect specific malfunction, such as loose parts or leaking fluid.
- Assembles electrical parts, such as alternators, generators, starting devices, and switches, following schematic drawings, using hand, machine, and power tools.
- Repairs and rebuilds defective mechanical parts in electric motors, generators, and related equipment, using hand tools and power tools.
- Tests for overheating, using speed gauges and thermometers.
- Replaces defective parts, such as coil leads, carbon brushes, and connecting wires, using soldering equipment.
- Rewires electrical systems and repairs or replaces electrical accessories.
- Disassembles defective unit, using hand tools.
- Cuts and removes parts, such as defective coils and insulation.
- Tests charges and replaces batteries.
- Adjusts working parts, such as fan belt tension, voltage output, contacts and springs, using hand tools, and verifies corrections, using gauges.
- Lifts units or parts, such as motors or generators, using crane or chain hoist.
- Scrapes and cleans units or parts, using cleaning solvent, and lubricates moving parts.
- Records repairs required, parts used, and labor time.
- Refaces, reams, and polishes commutators and machine parts to specified tolerances, using machine tools.
- Cuts and forms insulation and inserts insulation into armature, rotor, or stator slots.
- Inspects parts for wear or damage, or reads work order or schematic drawings to determine required repairs.
- Measures velocity, horsepower, r.p.m., amperage, circuitry, and voltage of unit or parts, using electrical meters and mechanical testing devices.
- Reassembles repaired electric motors to specified requirements and ratings, using hand tools and electrical meters.
- Installs, secures, and aligns parts, using hand tools, welding equipment, and electrical meters.
- Rewinds coils on core while core is in slots, or makes replacement coils, using coil-winding machine.
- Inspects electrical connections, wiring charging relays, charging resistance box, and storage batteries, following wiring diagram.
- Removes and disassembles cells and cathode assembly, using tension handles, prybars, and hoist, and cuts wires to faulty cells.
- Connects battery to battery charger and adjusts rheostat to start flow of electricity into battery.
- Repairs or adjusts defective parts, using hand tools or power tools.
- Disconnects electrical leads and removes battery, using hand tools and hoist.
- Installs recharged or repaired battery or cells, using hand tools.
- Cleans cells, cell assemblies, glassware, leads, electrical connections, and battery poles, using scraper, steam, water, emery cloth, power grinder, or acid.
- Fabricates and assembles electrolytic cell parts for storage batteries.
- Compiles operating and maintenance records.
- Seals joints with putty, mortar, and asbestos, using putty extruder and knife.
- Repairs battery-charging equipment.
- Measures cathode blade and anode, using ruler, and rate of mercury flow, using stopwatch.
- Secures cell on rocker mechanism or attaches assemblies, using bolts or cement.
- Positions and levels, or signals worker to position and level, cell, anode, or cathode, using hoist and leveling jacks.
- Adds water and acid to battery cells to obtain specified concentration.
- Replaces defective parts, such as cell plates, fuses, lead parts, switches, wires, anodes, cathodes, and rheostat.
- Tests condition, fluid level, and specific gravity of electrolyte cells, using voltmeter, hydrometer, and thermometer.
- Inspects battery for defects, such as dented cans, damaged carbon rods and terminals, and defective seals.
- Cleans transformer case, using scrapers and solvent.
- Reassembles transformer.
- Replaces worn or defective parts, using hand tools.
- Inspects transformer for defects, such as cracked weldments.
- Signals crane operator to raise heavy transformer component subassemblies.
- Secures input and output wires in position.
- Winds replacement coils, using coil-winding machine.
- Dismantles lamination assembly, preparatory to cleaning and inspection.
- Fills reassembled transformer with oil until coils are submerged.
- Drains and filters transformer oil.
- Disassembles distribution, streetlight, or instrument transformers.
- Solders, wraps, and coats wires to ensure proper insulation.
- Inserts and hammers ready-made coils in place.
- Bolts porcelain insulators to wood parts to assemble hot stools.
- Cleans and polishes parts, using solvent and buffing wheel.
- Tests armatures and motors to ensure proper operation.
- Solders ends of coils to commutator segments.
- Disassembles salvaged equipment used in electric-power systems, such as air circuit breakers and lightning arresters, using hand tools, and discards non-repairable parts.
- Replaces broken and defective parts.
- Cuts insulating material to fit slots on armature core, and places material in bottom of core slots.
- Winds new coils on armatures of generators and motors.
- Repairs or replaces tools and defective parts, such as handles, vises, pliers, or metal buckets, using soldering tool, gas torch, power tools, or hand tools.
- Cleans polishing and buffing wheels, using steam cleaning machine, to remove abrasives and bonding materials and salvages cloth from wheel.
- Sprays, brushes, or recoats surface of polishing wheel and places it in oven to dry.
- Maintains stock of parts.
- Records nature and extent of repairs performed.
- Examines and tests tools to determine defects or cause of malfunction, using hand and power tools, observation, and experience.
- Disassembles and reassembles tools, using hand tools, power tools, or arbor press.
- Verifies and adjusts alignment and dimensions of parts, using gauges and tracing lathe.
- Sharpens tools, such as picks, shovels, screwdrivers, and scoops, using bench grinder and emery wheel.