According to people in this career, the main tasks are...
| Task | Importance |
|---|---|
| Inspect and test equipment to locate damage or worn parts and diagnose malfunctions, or read work orders or schematic drawings to determine required repairs. | 90% |
| Verify and adjust alignments and dimensions of parts, using gauges and tracing lathes. | 85% |
| Reassemble repaired electric motors to specified requirements and ratings, using hand tools and electrical meters. | 84% |
| 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. | 84% |
| Repair and rebuild defective mechanical parts in electric motors, generators, and related equipment, using hand tools and power tools. | 84% |
| Lift units or parts such as motors or generators, using cranes or chain hoists, or signal crane operators to lift heavy parts or subassemblies. | 83% |
| Record repairs required, parts used, and labor time. | 83% |
| Disassemble defective equipment so that repairs can be made, using hand tools. | 81% |
| Adjust working parts, such as fan belts, contacts, and springs, using hand tools and gauges. | 81% |
| Steam-clean polishing and buffing wheels to remove abrasives and bonding materials, and spray, brush, or recoat surfaces as necessary. | 80% |
| Set machinery for proper performance, using computers. | 79% |
| Lubricate moving parts. | 79% |
| Read service guides to find information needed to perform repairs. | 79% |
| Test equipment for overheating, using speed gauges and thermometers. | 79% |
| Inspect electrical connections, wiring, relays, charging resistance boxes, and storage batteries, following wiring diagrams. | 79% |
| Reface, ream, and polish commutators and machine parts to specified tolerances, using machine tools. | 78% |
| Maintain stocks of parts. | 78% |
| Cut and form insulation, and insert insulation into armature, rotor, or stator slots. | 78% |
| Scrape and clean units or parts, using cleaning solvents and equipment such as buffing wheels. | 78% |
| Assemble electrical parts such as alternators, generators, starting devices, and switches, following schematic drawings and using hand, machine, and power tools. | 77% |
| Bolt porcelain insulators to wood parts to assemble hot stools. | 76% |
| Solder, wrap, and coat wires to ensure proper insulation. | 76% |
| Rewire electrical systems, and repair or replace electrical accessories. | 75% |
| Clean cells, cell assemblies, glassware, leads, electrical connections, and battery poles, using scrapers, steam, water, emery cloths, power grinders, or acid. | 73% |
| Rewind coils on cores in slots, or make replacement coils, using coil-winding machines. | 72% |
| Test conditions, fluid levels, and specific gravities of electrolyte cells, using voltmeters, hydrometers, and thermometers. | 72% |
| Add water or acid to battery cell solutions to obtain specified concentrations. | 72% |
| Weld, braze, or solder electrical connections. | 72% |
| Pour compounds into transformer-case terminal openings to seal out moisture. | 72% |
| Remove and replace defective parts such as coil leads, carbon brushes, and wires, using soldering equipment. | 71% |
| Hammer out dents and twists in tools and equipment. | 67% |
| Drain and filter transformer oil and refill transformers with oil until coils are submerged. | 66% |
| Seal joints with putty, mortar, and asbestos, using putty extruders and knives. | 64% |
| Repair and operate battery-charging equipment. | 63% |
| Sharpen tools such as saws, picks, shovels, screwdrivers, and scoops, either manually or by using bench grinders and emery wheels. | 63% |
| Inspect batteries for structural defects such as dented cans, damaged carbon rods and terminals, and defective seals. | 58% |
| Test battery charges, and replace or recharge batteries as necessary. | 57% |
| Position and level battery cells, anodes, or cathodes, using hoists or leveling jacks, or signal other workers to perform positioning and leveling. | 56% |
| Clean, rinse, and dry transformer cases, using boiling water, scrapers, solvents, hoses, and cloths. | 54% |