A professional who installs, services, and repairs stoves, refrigerators, dishwashing machines, and other electrical household or commercial appliances, using handtools, test equipment, and following wiring diagrams and manufacturer's specifications. Responsibilities include:

• Connects appliance to power source and test meters, such as wattmeter, ammeter, or voltmeter.
• Observes readings on meters and graphic recorders.
• Examines appliance during operating cycle to detect excess vibration, overheating, fluid leaks, and loose parts.
• Disassembles appliance and examines mechanical and electrical parts.
• Traces electrical circuits, following diagram, and locates shorts and grounds, using ohmmeter.
• Calibrates timers, thermostats, and adjusts contact points.
• Cleans and washes parts, using wire brush, buffer, and solvent, to remove carbon, grease, and dust.
• Replaces worn or defective parts, such as switches, pumps, bearings, transmissions, belts, gears, blowers, and defective wiring.
• Repairs and adjusts appliance motors.
• Reassembles appliance, adjusts pulleys, and lubricates moving parts, using handtools and lubricating equipment.
• May be known according to appliance repaired as clothes-drier repairer; coffee-maker servicer; dishwashing-machine repairer; electric-range servicer; electric-refrigerator servicer; washing-machine servicer.