1. Repairs power transformers used in electric generating stations and substations to step-up voltage of current being fed out over high-voltage power lines or to step-down voltage of incoming current prior to being fed to lower voltage distribution lines or electric equipment: Drains and filters transformer oil. 2. Loosens bolts …
1. Lays out plans and estimates costs for constructing transmission lines: Visits proposed construction site and selects best and shortest route to avoid interference with telephone or other lines. 2. Submits data on proposed route to right-of-way department for obtaining necessary easements. 3. Arranges for aerial, topographical, and other surveys …
1. Operates mobile military assault bridge vehicle and other power bridging equipment on land and water to position and connect bridge and raft sections across streams, rivers, and other water obstacles: Selects most suitable site for entering of streams and other water obstacles based on physical characteristics of water obstacles, …
1. Tends mixing machine to blend phosphate, soda ash, lime, and other water-conditioning agents for use as binding agent for making carbon black: Starts pumps to transport ingredients into blending tanks. 2. Starts mixing machine to blend ingredients. 3. Starts pumps to transport mixture to storage tanks feeding furnace boilers …
1. Installs, adjusts, maintains, and repairs electrical and mechanical equipment and parts in power-generating station: Installs equipment. 2. Dismantles and overhauls equipment. 3. May be designated according to type of plant in which maintenance is performed as Diesel-Powerplant Mechanic; Gas-Turbine-Powerplant Mechanic; Geothermal-Powerplant Mechanic; Nuclear-Powerplant Mechanic; Steam-Generating-Powerplant Mechanic.
1. Assists POWERHOUSE MECHANIC in maintaining and repairing power-generating equipment: Lubricates automatic recording instruments, changes recording charts, and refills ink containers. 2. Removes instruments from panelboards for repairs, and reinstalls them when repairs are completed, using handtools. 3. Carries or handtrucks tools and equipment to work areas. 4. Removes nuts …
1. Supervises and coordinates activities of workers engaged in installing, adjusting, repairing, and maintaining electrical and mechanical parts of hydroelectric turbines, generators, and auxiliary equipment. 2. Trains workers in repair and maintenance procedures. 3. Performs duties as described under SUPERVISOR Master Title. 4. May be designated according to type of …
1. Operates boilers, turbines, generators, and auxiliary equipment at generating plant to produce electricity: Monitors control board and regulates equipment, according to procedures and information obtained from recording and indicating instruments. 2. Adjusts controls of water and cold feed systems, blowers, and igniters to start up or shut down boilers. …
1. Tends power press that cuts, punches, or stamps various size articles from sheets or blocks of materials: Bolts or clamps specified die to machine. 2. Positions or clamps sheet or block of material on machine bed or in holding fixture to obtain maximum cuts from each sheet. 3. Starts …
1. Controls nuclear reactor that produces steam for generation of electric power and coordinates operation of auxiliary equipment: Adjusts controls, under supervision, to start and shut down reactor and to regulate flux level, reactor period, coolant temperature, and rate of flow, control rod positions, and other control elements that affect …
1. Repairs and maintains portable saws powered by internal combustion engines, following manufacturer’s repair manuals and using handtools. 2. Disassembles engine and replaces defective parts, such as piston rings, bearings, and timing mechanism. 3. Cleans or replaces fuel lines and adjusts carburetors. 4. Replaces broken links in chain saw or …
1. Tends power screwdriver that tightens bolts, nuts, or drives screws to assemble products fabricated from materials, such as wood, metal, plastic, or other materials: Threads or clamps specified torque chuck onto machine spindle. 2. Inserts shank of specified wrench or screwdriver bit into chuck and tightens it, using chuck …
1. Plans construction and coordinates operation of facilities for transmitting power from distribution points to consumers: Lays out substations and overhead and underground lines in urban and rural areas. 2. Prepares specifications and estimates costs. 3. Makes complex electrical computations to determine type and arrangement of circuits and size, type …
1. Sets up and operates filling machine which inserts and fastens brush wire in metal hub to fabricate power-driven circular wire brushes: Inserts specified metal hub in machine holding fixture and tightens bolts using hand wrench. 2. Selects coil of brush wire according to chart, mounts it on feeding reel, …
1. Operates and maintains central-office equipment such as motors, generators, storage batteries, and motor-driven apparatus, used to furnish or transmit power for telephone or telegraph operation.
1. Tends machine that removes bark and dirt from logs by one of following methods: Starts conveyor to move logs from pond to drum of barking machine. 2. Moves lever to activate chains or start drum revolving to tumble logs and knock off bark. 3. Turns valve to regulate water …
1. Trims wooden handles of hammers, axes, and hatchets, using portable power chisel, to remove curled shavings raised on handle by steel edges of eye when tool head is driven onto handle.
1. Tends equipment that blends various types of propellent powders used in manufacture of small arms ammunition: Examines and verifies powder with identifying data on container and type of powder specified on work order. 2. Pours powder from containers into partitioned hopper and turns knob to adjust rate of flow …
1. Loads explosives into blastholes to prepare for blasting overburden in open pit copper mine, working as member of crew: Measures depth of blasthole, using weighted tape measure, and consults SUPERVISOR, BLASTING to determine amount of explosives needed. 2. Cuts specified lengths of primacord and attaches primer to end of …
1. Screens, melts, and pours TNT into projectile cases: Pours TNT powder into hopper of screening machine which reduces lumps by agitation. 2. Pours powder into revolving steam-heated kettle and adjusts controls to permit steam to flow in pipes around kettle, heating and melting TNT. 3. Empties melted explosive into …
1. Supervises and coordinates activities of workers engaged in drying, canning, and storing cartridge primers and propellant powder for small-arms ammunition. 2. Performs other duties as described under SUPERVISOR Master Title.
1. Tends machine that cuts strands of smokeless powder into grains of designated size to produce explosives having uniform ballistic properties: Changes gear ratio of machine-feed mechanism to cut grains to specified size. 2. Feeds flexible strands of colloidal powder through guide holes into cutter. 3. Starts flow of liquid …
1. Rubs or sprays powder of specified color onto unfinished felt hat bodies, using powder-filled cloth bag or compressed-air gun, to stiffen, finish, or prepare bodies for further processing.
1. Repairs and adjusts mixing and packing machines used in production of nitroglycerin and dynamite: Washes machines and parts with sodium carbonate or other neutralizing compound prior to and during dismantling to minimize danger of explosion, using brush and rags. 2. Determines cause of equipment malfunction, according to knowledge of …
