1. Fits covers on storage battery cells preparatory to sealing: Burns soda and acid deposits from battery posts, using gas torch. 2. Lubricates bushings. 3. Fits and presses cover of specified size onto cell. 4. May place gasket over threaded posts and screw down locknuts, using wrench. 5. May tap …
1. Cleans electrolytic cells and cell assemblies, performing any combination of following tasks: Connects hose to water or steam line and flushes cell to clean surfaces. 2. Scrapes assemblies, using handscrapers and wire brushes to remove accumulations of dirt, putty, scale, and encrusted salt. 3. Transfers cathodes to washrack, using …
1. Tends equipment to prepare basic chemical solutions used in production of synthetic rubber: Opens valves and starts pumps to admit chlorobutadiene into weigh tank. 2. Adds specified ingredients into tank, according to formula. 3. Starts agitator in tank to mix contents. 4. Turns valve to control flow of steam …
1. Controls catalytic reactor to convert monovinylacetylene into unpolymerized constituent of neoprene rubber, according to knowledge of process and sequence of operations: Opens valves to admit water and nitrogen to system, removing air to prevent fires or explosions. 2. Admits specified chemicals to system and observes their color to detect …
1. Tends machine that mixes ground scrap rubber with pigments, caustics, and oils to prepare rubber for devulcanization: Pulls slide on gravity chute or shovels ground scrap rubber into weigh hopper. 2. Pulls lever to dump scrap rubber from weigh hopper into mixer. 3. Measures and weighs pigments, caustics, and …
1. Performs any combination of following duties to disassemble salvaged cathode ray tubes for reprocessing: Removes vacuum and electron gun from bulb of salvaged cathode ray tube, using portable air drill. 2. Places bulb on fixture of deband machine and activates machine that cuts metal band that surrounds joint between …
1. Tends tanks and related equipment that coats cathode screens with asbestos for use in electrolytic cells: Opens valve to fill cathode tank with caustic liquor. 2. Weighs out prescribed quantity of asbestos and dumps it into tank. 3. Starts air compressor and opens valve to force asbestos and cell …
1. Cuts and shapes rubber surgical tubing for medical use: Seals one end of tubing with rubber plug and cuts sealed end to specified shape with knife. 2. Fills tubing with water to aid curing process and ties off end. 3. Lubricates shaped end when tubing dries, and pushes it …
1. Off bears and examines cigarette filter plugs discharged from cigarette filter-making machine: Picks up double handful of plugs and examines them for defects in cutting, gluing, size, and filling. 2. Inspects both ends of plugs and places plugs in tray. 3. Removes defective plugs from tray. 4. Notifies CIGARETTE-FILTER-MAKING-MACHINE …
1. Guides hot steel shapes, such as bars, rods, and sheets, from one set of rolls to another: Catches end of hot steel with tongs as it comes through first set of rolls and feeds end into next set of rolls. 2. May set and adjust repeaters, guides, and rollers, …
1. Tends catalytic converters that alter chemical composition of liquid or gaseous substances as directed by CATALYTIC-CONVERTER OPERATOR: Moves controls to set material feed, temperature, and pressure regulators at specified values. 2. Monitors operation of pumps and auxiliary equipment, such as heat exchangers and absorbers, and moves controls to maintain …
1. Tends filter presses, evaporators, dissolvers, and precipitators that recover and recondition catalysts used in manufacturing styrene and edible oils: Starts pump and opens feed and discharge valves to transfer used catalyst from processing equipment into tank for reconditioning. 2. Observes meters and gauges, and turns valves to maintain prescribed …
1. Supervises and coordinates activities of workers engaged in operation of equipment, such as impregnators, precipitators, dissolvers, crushers, washers, driers, and reduction furnaces, to prepare catalysts used in production of butadiene, styrene, and edible oils: Performs titration tests and takes pH readings of compounds to determine amounts of acids and …
1. Operates rotating casting wheel to pour molten nonferrous metal, such as copper, lead, or aluminum into molds to form ingots: Moves control lever to rotate wheel and position mold under pouring spout of kettle or furnace. 2. Pulls lever to remove stopper from bottom of kettle or to tilt …
1. Tends equipment that forces viscose fluid between two adjustable metal bars and into acid bath that coagulates fluid into continuous sheet of cellophane: Reads gauges and observes image on video display screen to ascertain thickness and uniformity of cellophane sheet. 2. Turns clamp nuts, using wrench, to adjust bar …
1. Attaches gang hooks to wooden casting plugs used for fishing, using screwdriver: Inserts screw through eye of gang hook and into previously drilled hole in body of plug. 2. Tightens screw with screwdriver.
1. Assists CASTING OPERATOR in casting aluminum alloys into ingots: Places distributing trough between furnace taphole and mold. 2. Positions baffle plates, screens, and control pins in trough, using handtools. 3. Takes sample of molten metal for subsequent analysis. 4. Skims dross off molten aluminum in holding furnace, using drag …
1. Cleans casting machine and auxiliary equipment, such as pumps and exhaust hood, used in production of cellophane: Pumps solutions from casting machine to storage tanks or into system feeding other casting machines. 2. Dismantles hopper and cleans viscose residue from internal parts, using water hose and airhose. 3. Sprays …
1. Assists CASTING-MACHINE OPERATOR, AUTOMATIC in molding storage battery grids performing such tasks as removing grids from machine rails, counting grids, and stacking grids on dollies. 2. Performs other duties as described under HELPER Master Title.
1. Sets up and operates machine to cast and assemble type for printing: Places reel of controller paper on holder, threads free end around tension and feeding rolls, and attaches it to winding roll. 2. Sets composing stick to length of line specified in casting instructions. 3. Inserts and locks …
1. Repairs broken or cracked castings and forgings, using special cold process requiring no welding: Calculates factors, such as size, depth, and position of fracture, and tensile strength and distribution of stress and strain in material. 2. Employs combination of holding and locking devices to make repair, using airhammers, air …
1. Inspects metal castings for dimensional accuracy and surface defects: Measures dimensions of casting, using fixed gauges. 2. Examines casting for defects, such as cracks and blowholes. 3. Separates and marks defective castings according to salvage operation required. 4. May chip surplus metal from casting, using hammer and chisel. 5. …
1. Prepares investment molds for use in casting gold rings: Mixes plaster of paris and water in specified proportion and pours around wax model. 2. Places casting in oven for baking. 3. Cleans finished casting by dipping it in acid and water solution.
1. Pads and lines inside of bodies and tops of caskets: Spreads layer of excelsior evenly over bottom of casket and spreads layer of cotton over excelsior. 2. Cuts cloth from supply roll, using hand shears, and tacks or staples cloth over bottom padding. 3. Pads and covers sides and …
1. Examines assembled caskets visually and tactually to determine their conformance to specifications: Inspects casket lining for irregularities, such as faulty design, discoloration of material, unconcealed tacks, and bulges in padding. 2. Opens and closes top panel to determine presence of obstructions. 3. Blows out inside and outside of casket …
