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Stop machines when specified amount of products has been produced.
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Install, level, and align machine components such as gears, chains, guides, dies, cutters, or needles to set up machinery for operation.
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Clean, oil, and lubricate machines, using air hoses, cleaning solutions, rags, oilcans, and grease guns.
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Repair or replace worn or defective parts or components, using hand tools.
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Operate machines for test runs to verify adjustments and to obtain product samples.
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Record production data such as numbers and types of bobbins wound.
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Adjust machine settings such as speed or tension to produce products that meet specifications.
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Observe bobbins as they are winding and cut threads to remove loaded bobbins, using knives.
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Place bobbins on spindles and insert spindles into bobbin-winding machines.
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Remove spindles from machines and bobbins from spindles.
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Study guides, samples, charts, and specification sheets, or confer with supervisors or engineering staff to determine setup requirements.
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Tend machines with multiple winding units that wind thread onto shuttle bobbins for use on sewing machines or other kinds of bobbins for sole-stitching, knitting, or weaving machinery.
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Replace depleted supply packages with full packages.
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Thread yarn, thread, or fabric through guides, needles, and rollers of machines.
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Measure bobbins periodically, using gauges, and turn screws to adjust tension if bobbins are not of specified size.
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Inspect products to verify that they meet specifications and to determine whether machine adjustment is needed.
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Inspect machinery to determine whether repairs are needed.
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Unwind lengths of yarn, thread, or twine from spools and wind onto bobbins.
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Tend machines that twist together two or more strands of yarn or insert additional twists into single strands of yarn to increase strength, smoothness, or uniformity of yarn.
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Start machines, monitor operation, and make adjustments as needed.
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Tend spinning frames that draw out and twist roving or sliver into yarn.
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Observe operations to detect defects, malfunctions, or supply shortages.
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Notify supervisors or mechanics of equipment malfunctions.