1. Verifies adjustment of pumps used to force cellulose solution through spinnerettes, forming rayon, to ensure that pump speed conforms with plant specifications for prescribed weight of yarn: Turns valve to transfer measured amount of solution to container and times flow, using stopwatch. 2. Weighs container and solution and records …
1. Operates power-driven pumps that transfer liquids, semiliquids, gases, or powdered materials, performing any combination of following duties: Observes pressure gauges and flowmeters, and adjusts valves to regulate speed of pumps and control pressure and rate of flow of materials. 2. Transfers materials to and from storage tanks, processing tanks, …
1. Assists PUMPER in pumping liquids from one vessel to another, from storage tanks to processing equipment, or from one process to another: Moves levers to adjust pumping pressure. 2. Cleans pumps, using solvent and rags, lubricates pumps, using oilcan and grease gun. 3. Dismantles pumps to be repaired and …
1. Tends power-driven pumps that transfer wort, beer, or liquefied yeast mixture to various sections of brewery: Receives signal from point of destination indicating time of fluid transfer. 2. Connects flexible hose and stationary lines to pumps and vessels containing specified fluid and notifies worker at destination point of line …
1. Operates pumps and auxiliary equipment to produce artificial flow of oil or gas from wells in oil field: Starts pumps and opens valves to pump oil from wells into storage tanks. 2. Starts compressor engines and diverts oil from storage tanks into compressor units and auxiliary equipment to recover …
1. Operates equipment to cool, condense, and separate tar and ammonia from coke-oven gas and pump separated substances to specified locations: Turns valves to transfer materials from collecting mains through cooler, scrubbers, and decanter. 2. Starts pumps, reads gauges and thermometers, and adjusts valves to regulate temperatures, pressures, and rate …
1. Tends hydraulic press that removes moisture from fiberboard, laps, or sheets of wet pulp: Pushes loaded truck under hydraulic pressing plate and starts machine to lower ram and press water from pulp. 2. Pulls truck away from press and pushes it to baling area. 3. May stack layers of …
1. Operates battery of machines to refine pulp and shorten fibers as pulp flows continuously through machines to prepare pulp for papermaking: Turns handwheels to adjust distance between bedplate and rotor knives to obtain specified fineness of fibers. 2. Starts machines and pumps to regulate flow of pulp from beater …
1. Tends machine that pulverizes lumps of salicylic acid: Starts machine and flow of lumps of salicylic acid into machine. 2. Dumps pulverized salicylic into drums. 3. Weighs and seals drums and uses powered handtruck to transport or stack filled drums.
1. Operates machine to prechop and pulverize vulcanized scrap rubber for reuse: Transfers material between storage and work areas on pallet, using forklift truck. 2. Starts prechopper, pulverizer, and connecting conveyor. 3. Places box on scale under discharge hopper of pulverizer to load ground material to specified weight. 4. Loads …
1. Tends mechanical equipment, such as jaw crusher, disintegrator, ball mill, swing hammer mill, agitator sifter, and silk screen shakers that pulverize and sift ingredients of propellent and priming powders preparatory to blending: Feeds raw material into machine or hopper, using hands or scoop. 2. Adjusts machines to reduce material …
1. Installs and repairs submerged turbine pumps in waterwells, using rig: Drives rig into position adjacent to well. 2. Starts hoisting engine and moves levers and pedals to raise and extend telescoping hoisting mast. 3. Bolts guy wires and struts to mast for support. 4. Threads and tightens pump parts, …
1. Installs and adjusts electric, gasoline, and diesel-driven pumps and blowers, using handtools, power tools, and diagrams: Cuts and threads pipes, ducts, and fittings, using handtools and power tools. 2. Levels and bolts down pump. 3. Connects ducts and drive couplings, and aligns them to minimize friction, using handtools and …
1. Repairs pumps of paper making machinery: Examines pumps for malfunctioning and to locate damage or wear, such as blowout packing, misalignment of pump shaft, slippage of drive belt, worn bearings, or need for lubrication. 2. Observes operation of pumps and feels for heat and vibration of parts to detect …
1. Tests samples of each batch of pulp and run of paper, using standard testing equipment and chemical analyses to control quality and uniformity of products: Measures acidity of pulp, using pH meter. 2. Measures weight, thickness, and bulk of standard paper sample, using micrometer and scales. 3. Determines liquor …
1. Tends drum-type rotary driers and heating kilns, from central control station, to remove moisture from beet pulp and molasses mixture being processed into cattle fodder: Moves controls to admit fuel and air into kiln and ignite fire in kiln. 2. Adjusts controls to obtain specified temperature in drier drum. …
1. Tends machine that reduces broke or dry pulp sheets to pulp or slurry for use in making paper, wallboard, or related products: Dumps broke or pulp sheets onto conveyor or into vat to fill pulper machine. 2. Pushes buttons and turns valves to admit water, ink removing solution, and …
1. Tends machine that extracts juice, and separates seeds and pulp from fresh and precooked fruits, berries, and tomatoes: Places containers under discharge outlets of pulping machine to receive juice, seeds, and pulp. 2. Starts equipment to pump or convey material through machines or dumps fruit, berries, or vegetables in …
1. Operates hydropulper and batch reactor to blend woodpulp, plastic binders, and liquid fertilizers into slurry for use in molding synthetic soil blocks: Fills hydropulper tank with water, adds woodpulp and measured amounts of chemicals, and starts agitator. 2. Observes and records temperature, pressure, and time interval of agitation cycle. …
1. Pulls out sheets of dried felt-base floor covering from racks in drying oven: Removes one sheet and splices end to next sheet, continuing drawing-out operation until all sheets have been removed.
1. Operates machines to grind cooked wood chips into pulp and blend pulp with other specified ingredients in manufacture of wallboard: Turns handwheel to adjust grinding-plate settings. 2. Starts machines and adjusts panel controls to maintain level in pulp and water chests and regulate flow of chips through grinding machines. …
1. Stacks pulpwood logs in piles at skidway or landing near logging road or stream. 2. Places logs on pile by hand, or guides logs into position with cant hook as log is lifted by mechanical means.
1. Pulls loose ends of stitching threads from outside through to inside of gloves and mittens with hook, knots threads, and cuts off loose ends with scissors.
1. Operates boring machine to cut mortises in window jambs for installation of sash weight pulleys: Installs boring bit of specified size in machine chuck and tightens chuck, using wrench. 2. Sets stops and guides on machine carriage according to depth and length of cut, width and length of jamb, …
