Roof Bolter: A description for the roof bolter job

Miscellaneous Jobs » Jobs In Extraction Of Minerals » Earth Boring Drilling Cutting And Related Jobs » Roof Bolter

Roof Bolter – Bolting-machine operator, raise driller Operates self-propelled machine to install roof-support bolts in underground mine: Positions safety jack to support roof until bolts can be installed. Drives machine into position, inserts bit in drill chuck, and starts drill. Moves lever to advance bit into roof at specified distance from rib or adjacent bolt. Removes bit from chuck and replaces with bolt. Starts hydraulic action which forces bolt into hole. Starts rotation of chuck to turn bolt and open expansion head to exert pressure upon rock formation. Tests bolt for specified tension, using torque wrench. May also install truss bolts traversing entire ceiling span and tighten ends of anchored truss bolts, using turnbuckle.

Job industry: mining industry

Other job descriptions:
Roof Bolter
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