What do Loading Machine Operators, Underground Mining do?
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.
- Pry off loose material from roofs and move it into the paths of machines, using crowbars.
- Move trailing electrical cables clear of obstructions, using rubber safety gloves.
- 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.
- Clean hoppers, and clean spillage from tracks, walks, driveways, and conveyor decking.
- Oil, lubricate, and adjust conveyors, crushers, and other equipment, using hand tools and lubricating equipment.
- Replace hydraulic hoses, headlight bulbs, and gathering-arm teeth.
- Stop gathering arms when cars are full.
- 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.
- Signal workers to move loaded cars.
- Observe and record car numbers, carriers, customers, tonnages, and grades and conditions of material.
- Notify switching departments to deliver specific types of cars.
- 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.
- Estimate and record amounts of material in bins.
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