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Details for Loading Machine Operators, Underground Mining


Operate underground loading machine to load coal, ore, or rock into shuttle or mine car or onto conveyors. Loading equipment may include power shovels, hoisting engines equipped with cable-drawn scraper or scoop, or machines equipped with gathering arms and conveyor.


  • Advance machines in order to gather material and convey it into cars.
  • Start conveyor booms and gathering-arm motors, and operate winches to position cars under boom-conveyors for loading.
  • Move trailing electrical cables clear of obstructions, using rubber safety gloves.
  • Pry off loose material from roofs and move it into the paths of machines, using crowbars.
  • Drive machines into piles of material blasted from working faces.
  • Operate levers to move conveyor booms or shovels so that mine contents such as coal, rock, and ore can be placed into cars or onto conveyors.
  • Signal workers to move loaded cars.
  • Stop gathering arms when cars are full.
  • Clean hoppers, and clean spillage from tracks, walks, driveways, and conveyor decking.
  • Estimate and record amounts of material in bins.
  • Inspect boarding and locking of open-top box cars and wedging of side-drop and hopper cars in order to prevent loss of material in transit.
  • Notify switching departments to deliver specific types of cars.
  • Observe and record car numbers, carriers, customers, tonnages, and grades and conditions of material.
  • Oil, lubricate, and adjust conveyors, crushers, and other equipment, using hand tools and lubricating equipment.
  • Replace hydraulic hoses, headlight bulbs, and gathering-arm teeth.


  • Realistic - Realistic occupations frequently involve work activities that include practical, hands-on problems and solutions. They often deal with plants, animals, and real-world materials like wood, tools, and machinery. Many of the occupations require working outside, and do not involve a lot of paperwork or working closely with others.
  • Conventional - Conventional occupations frequently involve following set procedures and routines. These occupations can include working with data and details more than with ideas. Usually there is a clear line of authority to follow.

Education, Training, Experience

  • Education - These occupations usually require a high school diploma.
  • Training - Employees in these occupations need anywhere from a few months to one year of working with experienced employees. A recognized apprenticeship program may be associated with these occupations.
  • Experience - Some previous work-related skill, knowledge, or experience is usually needed. For example, a teller would benefit from experience working directly with the public.


  • Law and Government - Knowledge of laws, legal codes, court procedures, precedents, government regulations, executive orders, agency rules, and the democratic political process.
  • Public Safety and Security - Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions.
  • Education and Training - Knowledge of principles and methods for curriculum and training design, teaching and instruction for individuals and groups, and the measurement of training effects.
  • Mechanical - Knowledge of machines and tools, including their designs, uses, repair, and maintenance.


Related Careers

  • Continuous Mining Machine Operators
  • Helpers--Extraction Workers
  • Operating Engineers and Other Construction Equipment Operators
  • Paving, Surfacing, and Tamping Equipment Operators
  • Rail-Track Laying and Maintenance Equipment Operators
  • Rotary Drill Operators, Oil and Gas
  • Shuttle Car Operators
Wages for this career
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