1. Tends furnace that remelts nonferrous alloyed metals used in diecasting process: Shovels specified proportions of scrap metal and ingots into furnace. 2. Sprinkles fluxing compound on molten metal to bring impurities to surface. 3. Skims slag from surface of molten metal, using hand strainer. 4. May transfer molten metal …
1. Tends equipment that applies and dries strip of friction paint on cards of matchbook covers and matchbox slides: Loads stack of cards into machine feed magazine. 2. Observes machine feed to prevent jam of cards on conveyor. 3. Inspects friction paint coverage for specified thickness of application, and adjusts …
1. Tends automatic glass forming machines, used to form bottles, containers, and other glassware from molten glass: Turns valves to regulate temperatures of molten glass in forehearth, flow of glass to forming machine, and coolant to solidify glass shape. 2. Lubricates molds with graphite solution to prevent glass sticking to …
1. Tends battery of machines that test or grind tires for conformance to radial balance specifications: Lifts and positions tires in machine. 2. Starts machine that inflates tires and activates sensory roller rotating against tire. 3. Observes panel indicators to determine tires meeting specifications. 4. Places defective tires on conveyor …
1. Tends bench-mounted machine to fold and press precemented edges of shoe parts together: Positions parts on bed of machine and depresses pedal to lower presser foot to fold part and press edges together.
1. Tends flotation machines that separate metals from gangue of ore: Turns valves to regulate flow of pulp and reagents into cells. 2. Turns valves to introduce compressed air into cells to agitate mixture and to promote froth that carries metallic particles to surface of liquid and deposits them through …
1. Opens chute gates to release fish into various bins, according to species, and onto conveyor for transfer to cleaning machine. 2. Expedites flow of fish, using wooden rake, hoe, or water hose. 3. Shovels chipped ice into bins to preserve fish. 4. Sorts fish according to species and size, …
1. Tends machine that removes heads, fins, viscera, and tails from fish preparatory to canning: Starts machine and conveyor system. 2. Positions fish on feed table and aligns head with cutting knife. 3. Places beheaded fish in machine feed trough and pushes tail into teeth of fish cleaning machine. 4. …
1. Tends machine that automatically smooths and cleans edges of ceramic flatware preparatory to firing ware in kiln: Selects rubber cushion rings according to ware being furnished and positions rings on vacuum cradle on machine turntable. 2. Inserts abrasive pads in adjustable arms that press pads against revolving ware and …
1. Tends finisher carding machine with tape condenser that cleans and straightens wool, asbestos, or synthetic fibers, and condenses fiber into roving: Observes carding and condensing to detect clogged rollers and breaks in roving ends. 2. Laps broken roving ends over spool to resume winding. 3. Removes broken roving ends …
1. Tends filtering machines that separate cornstarch from undesirable protein solids: Starts machine and turns valves to admit starch suspension from tank through filters and to control flow of wash water to filter spray nozzles. 2. Observes thermometers and turns steam valves to maintain specified temperature of water in tank. …
1. Tends filter press that filters liquors, such as gelatin, glue, and malt beverages: Turns valves to open lines, and pumps liquor through cotton, silk, or woodpulp filter. 2. Inspects filtered liquors for specified degree of clarity. 3. Recirculates cloudy liquor through filter until clear, or connects line to fresh …
1. Tends rotary vacuum and drum or leaf pressure filters that purify liquid sugars: Turns valves to control flow of materials through filters during semiautomatic or manual operation of equipment, as instructed. 2. Observes liquid sugar flowing through filters to detect cloudiness and turns valves to regulate flow, recirculate filtrate, …
1. Tends machine that automatically injects cream filling into snack-size cakes: Starts pump to fill machine hopper with filling. 2. Presses button to activate conveyor that conveys cakes under nozzles that automatically inject filling into cakes. 3. Observes cakes being filled to ascertain that cream is injected into center of …
1. Tends waxing machine that bonds several strands of fiberglass yarn into single cord: Places bobbins of yarn on creel of machine and threads yarn through guides, over and under tension bars, through strip heater, wax reservoir, dies, and cooling tank, and laps end of cord around mandrel of winding …
1. Tends one or more machines that form fiberglass filaments from molten glass and combine filaments into sliver: Pulls fiberglass filaments extruded through bushing over sleeve where binding solution is applied and into groove of graphite shoe that binds filaments into single strand of sliver. 2. Passes sliver strand through …
1. Tends machine that washes and treats felt with chemical preservatives: Wraps felt around machine spindle or presses button to start rollers that pull felt into machine. 2. Turns valves to admit water, steam, detergents, caustics, and other chemicals into machine at specified intervals according to specifications. 3. Presses button …
1. Feeds machine that shapes felt tips for stencil marking pens: Fills hopper of machine with felt tips and presses switch to start machine that automatically shapes sides and bevels or rounds end of tips for marking pens.
1. Tends machines, such as corn shelling machine, winnowing machine, and grass-removing machine that separate crops from waste materials, such as grass, twigs, and cobs: Turns switches to activate machinery, such as conveyors, blowers, and shakers. 2. Adjusts machinery to obtain optimum separations. 3. Loads conveyors, hoppers, and wheels to …
1. Tends machine that extrudes rubber compound to produce strands for use in making elastic yarn: Adjusts valves to regulate and maintain specified flow of rubber compound and size of extruded strand. 2. Separates strands in acid bath with tweezers and places strands on rollers leading to curing oven. 3. …
1. Tends one or more machines that shred woodstock into excelsior: Presses pedal to open feed rollers and position woodstock. 2. Starts machine that automatically feeds stock to cutters. 3. Stops machine and turns woodstock to expose all surfaces to cutters to obtain maximum amount of excelsior from each log.
1. Tends multistation glassware cutting machine that engraves designs in sequence on glassware: Presses buttons to start machine and turns valves to start flow of coolant. 2. Places mouth of glassware on indexing spindle located between cutting wheels and sets base of ware on rest. 3. Loads and unloads machine …
1. Tends machine that automatically embosses frame-like margin on edge of paper card blanks to form wedding and commercial cards: Loads stack of cards into machine feeder and starts machine. 2. Observes machine operation to detect feeding and embossing malfunction. 3. Inspects completed cards by fanning stacks to detect imperfections, …
1. Tends wire winding machine that automatically winds elements used in electrical and electronic components, equipment, instruments, and devices, following work orders and wiring diagrams, using handtools: Reads work orders and specifications to determine materials required. 2. Loads wire spools onto machine spindles and adjusts machine controls at specified positions, …
1. Tends battery of electric cells to dissociate chemical elements from solutions: Examines poles and sides of cells for defects, such as corrosion or cracks, and notifies supervisory personnel of findings. 2. Opens valves to fill cells with solutions, and moves controls to start electrolytic process. 3. Observes gauges and …
