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Appliance Service Technicians
Appliance technicians use a variety of methods and test equipment to figure out what repairs are needed. They inspect machines for frayed electrical cords, cracked hoses, and broken connections; listen for loud vibrations or grinding noises; sniff for fumes or overheated materials; look for fluid leaks; and watch and feel other moving parts to determine if they are jammed or too tight. They may find the cause of trouble by using special testing equipment made for particular appliances or standard testing devices such as voltmeters and ammeters. They must be able to combine all their observations into a diagnosis of the problem before they can repair the appliance.
Technicians often need to disassemble the appliance and examine its inner components. To do this, they frequently use ordinary hand tools like screwdrivers, wrenches, and pliers. They may need to follow instructions in service manuals and troubleshooting guides. To understand electrical circuitry, they may consult wiring diagrams or schematics.
After they determine the problem, the technician must correct it. This may involve replacing or repairing defective parts, such as belts, switches, motors, circuit boards, or gears. The technician also cleans, lubricates, and adjusts the parts so that they function as well and as smoothly as possible.
Those who service gas appliances may replace pipes, valves, thermostats, and indicator devices. In installing gas appliances, they may need to measure, cut, and connect the pipes to gas feeder lines and to do simple carpentry work such as cutting holes in floors to allow pipes to pass through.
Technicians who make service calls to homes and businesses must answer customers' questions and deal with their complaints. They may explain to customers how to use the appliance and advise them about proper care. These technicians are often responsible for ordering parts from catalogs and recording the time spent, the parts used, and whether a warranty applies to the repair job. They may need to estimate the cost of repairs, collect payment for their work, and sell new or used appliances. Many technicians who make service calls drive light trucks or automobiles equipped with two-way radios or cell phones so that as soon as they finish one job, they can be dispatched to another.
Many appliance service technicians repair all different kinds of appliances; there are also those who specialize in one particular kind or one brand of appliances. Window air-conditioning unit installers and technicians, for example, work only with portable window units, while domestic air-conditioning technicians work with both window and central systems in homes.
Household appliance installers specialize in installing major household appliances, such as refrigerators, freezers, washing machines, clothes dryers, kitchen ranges, and ovens; household appliance technicians maintain and repair these units.
Small electrical appliance technicians repair portable household electrical appliances such as toasters, coffee makers, lamps, hair dryers, fans, food processors, dehumidifiers, and irons. Customers usually bring these types of appliances to service centers to have them repaired.
Gas appliance technicians install, repair, and clean gas appliances such as ranges or stoves, heaters, and gas furnaces. They also advise customers on the safe, efficient, and economical use of gas.
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