- Industri: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who performs duties as described under apprentice master title.
Industry:Professional careers
A professional who installs, calibrates, and repairs weighing scales, using handtools, power tools, and standard test weights. Responsibilities include:
* Moves scale into position, using hoists and rollers.
* Inserts shims between scale base and foundation to level scale.
* Secures scale to foundation, using handtools.
* Tests scale, using certified weights, and adjusts pivots, dial settings, and pendulums to ensure that weight indication meets legal specifications.
* Turns setscrews to adjust spring scales.
* Disassembles scales and repairs or replaces worn or damaged parts, such as pivots and bearings, using bench grinder, handtools, and power tools.
* Straightens, cleans, and repaints structural parts of scale.
* May install, adjust, and repair electronically controlled scales.
Industry:Professional careers
A professional who installs and services collators, sorters, and other statistical machines in accordance with graphs and charts, using handtools and precision-measuring instruments. Responsibilities include:
* Assembles and installs machines, following timing and wiring charts and using handtools, calipers, micrometers, and other instruments.
* Starts machines and listens for sounds to locate electrical and mechanical defects.
* Examines wiring, cards, and printed tape for defects.
* Dismantles machines and repairs or replaces parts, using handtools.
* Tightens, loosens, sets, or otherwise adjusts gears, clutches, and electrical connections.
* May set up machine to obtain particular information by wiring and inserting board in machines and moving switches and levers.
* May instruct and advise operators of equipment in machine operation and in interpretation of setup charts.
* May supervise and instruct student servicers.
Industry:Professional careers
A professional who installs and services collators, sorters, and other statistical machines in accordance with graphs and charts, using handtools and precision-measuring instruments. Responsibilities include:
* Assembles and installs machines, following timing and wiring charts and using handtools, calipers, micrometers, and other instruments.
* Starts machines and listens for sounds to locate electrical and mechanical defects.
* Examines wiring, cards, and printed tape for defects.
* Dismantles machines and repairs or replaces parts, using handtools.
* Tightens, loosens, sets, or otherwise adjusts gears, clutches, and electrical connections.
* May set up machine to obtain particular information by wiring and inserting board in machines and moving switches and levers.
* May instruct and advise operators of equipment in machine operation and in interpretation of setup charts.
* May supervise and instruct student servicers.
Industry:Professional careers
A professional who this group includes occupations concerned with installing, maintaining, and repairing mechanical equipment and appliances used to supply heat, conditioned air, refrigeration, water, and related utilities in homes and commercial or industrial establishments.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in installation, maintenance, renovation, and repair of vending machines (coolers) dispensing bottled beverages. Responsibilities include:
* Orders delivery of coolers to retail locations.
* Dispatches repairers on service calls to repair or adjust faulty coolers.
* Instructs and trains new workers.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in installation, maintenance, renovation, and repair of vending machines (coolers) dispensing bottled beverages. Responsibilities include:
* Orders delivery of coolers to retail locations.
* Dispatches repairers on service calls to repair or adjust faulty coolers.
* Instructs and trains new workers.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
A professional who installs, services, and repairs window air-conditioning units, ranging from 1/2 to 2 tons capacity, in private residences and small establishments. Responsibilities include:
* Inspects existing wiring, fuses, or circuit-breaker panels on customer's premises to ensure adequate power supply for operating air-conditioner.
* Measures window, transom, or other existing openings for air-conditioning unit, using measuring tape or rule, or cuts opening through wall, using mallet and cold chisel.
* Assembles and positions support brackets in place, using screws, clamps, or other braces, and power tools and handtools.
* Fills space between window support and edge of opening with caulking compound and filler board.
* Places air-conditioner on support frame and secures unit in position, leveling unit, using screws, clips, and bolts.
* Starts unit, adjusts controls, and listens for excessive noise or sounds indicating malfunction.
* Examines malfunctioning unit for defective parts, utilizing knowledge of mechanical, electrical, and refrigeration theory, to determine cause of malfunction.
* Dismantles whole or part of unit, as indicated by type of malfunction, and repairs or replaces such parts as switches, relays, fan motors, thermostats, and other components, using handtools and power tools.
* Replaces filters, lubricates unit, and adjusts controls.
* Reassembles unit, making necessary adjustments to ensure efficient operation.
* May give instructions to customer regarding operation and care of unit.
* May estimate cost of repairs or adjustments.
* May remove unit from customer's premises for major repairs or overhaul in shop, or for return to manufacturer for extensive repairs.
* May repair sealed refrigeration units of machines.
* For installation, service, and repair of central air-conditioning units, see heating-and-air-conditioning installer-servicer.
Industry:Professional careers
A professional who installs, services, and repairs environmental control systems in residences, department stores, office buildings, and commercial establishments, utilizing knowledge of refrigeration theory, pipefitting, and structural layout. Responsibilities include:
* Mounts compressor and condenser units on platform or floor, using handtools, following blueprints or engineering specifications.
* Fabricates, assembles, and installs ductwork and chassis parts, using portable metalworking tools and welding equipment.
* Installs evaporator unit in chassis or in air duct system, using handtools.
* Cuts and bends tubing to correct length and shape, using cutting and bending equipment and tools.
* Cuts and threads pipe, using machine-threading or hand-threading equipment.
* Joins tubing or pipe to various refrigerating units by means of sleeves, couplings, or unions, and solders joints, using torch, forming complete circuit for refrigerant.
* Installs expansion and discharge valves in circuit.
* Connects motors, compressors, temperature controls, humidity controls, and circulating-ventilation fans to control panels and connects control panels to power source.
* Installs air and water filters in completed installation.
* Injects small amount of refrigerant into compressor to test systems, and adds freon gas to build up prescribed operating pressure.
* Observes pressure and vacuum gauges and adjusts controls to ensure efficient operation.
* Tests joints and connections for gas leaks, using gauges or soap-and-water solution.
* Wraps pipes in insulation batting and secures them in place with cement or wire bands.
* Replaces defective breaker controls, thermostats, switches, fuses, and electrical wiring to repair installed units, using electrician's handtools and test equipment.
* May install, repair, and service air-conditioners, ranging from fifteen to twenty tons cooling capacity, in warehouses and factory buildings and be designated industrial air-conditioning mechanic.
Industry:Professional careers
A professional who installs and repairs gas meters, regulators, ranges, heaters, and refrigerators in customer's establishment, using manometer, voltmeter, handtools, and pipe-threading tools. Responsibilities include:
* Measures, cuts, and threads pipe and connects it to feeder line and equipment or appliance, using rule, pipe cutter, threader, and wrench.
* Tests and examines pipelines and equipment to locate leaks and faulty pipe connections and to determine pressure and flow of gas, using manometer, voltmeter, combustible gas indicator, and soap lather.
* Dismantles meters and regulators, and replaces defective pipes, thermocouples, thermostats, valves, and indicator spindles, using handtools.
* May assemble new or reconditioned appliances.
* May collect for monthly bills or overdue payments.
* May be designated according to appliance serviced as gas-refrigerator servicer; gas-stove servicer.
Industry:Professional careers