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Job Description:

  • 1) Operates self-propelled machine to install roof-support bolts in underground mine: Positions safety jack to support roof until bolts can be installed.

  • 2) Drives machine into position, inserts bit in drill chuck, and starts drill.

  • 3) Moves lever to advance bit into roof at specified distance from rib or adjacent bolt.

  • 4) Removes bit from chuck and replaces with bolt.

  • 5) Starts hydraulic action which forces bolt into hole.

  • 6) Starts rotation of chuck to turn bolt and open expansion head to exert pressure upon rock formation.

  • 7) Tests bolt for specified tension, using torque wrench.

  • 8) May install truss bolts traversing entire ceiling span and tighten ends of anchored truss bolts, using turnbuckle.




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End Of Job Description for: "ROOF BOLTER"
DOT:   930.683-026

Job Number: 8560