# Tasks & work activities — cotton gin operator

Source: O*NET 30.3, occupation 51-6064.00 (Textile Winding, Twisting, and Drawing Out Machine Setters, Operators, and Tenders) — manual nearest-occupation mapping via ISCO group 8151; the official ESCO crosswalk has no entry for this ESCO occupation.

## Task statements

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

## Detailed work activities

- Clean production equipment.
- Conduct test runs of production equipment.
- Cut fabrics.
- Exchange information with colleagues.
- Feed materials or products into or through equipment.
- Inspect production equipment.
- Inspect textile products.
- Install mechanical components in production equipment.
- Load materials into production equipment.
- Lubricate production equipment.
- Maintain inventories of materials, equipment, or products.
- Measure dimensions of completed products or workpieces to verify conformance to specifications.
- Monitor equipment operation to ensure proper functioning.
- Mount attachments or tools onto production equipment.
- Mount materials or workpieces onto production equipment.
- Notify others of equipment repair or maintenance needs.
- Operate textile cutting or production equipment.
- Record operational or production data.
- Remove accessories, tools, or other parts from equipment.
- Remove products or workpieces from production equipment.
- Repair production equipment or tools.
- Replace worn equipment components.
- Set equipment controls to meet cutting specifications.
- Study blueprints or other instructions to determine equipment setup requirements.
- Watch operating equipment to detect malfunctions.