Job Description:

• 1) Throws switches and couples, or attaches to cable, cars being hauled by locomotive or hoisted by cable or chain in mines, quarries, or industrial plants: Uncouples loaded cars at their destination or uncouples and distributes empty cars to sidings or to loading areas.

• 2) Moves switches to route cars and signals DINKEY OPERATOR to start or stop cars.

• 3) May open and close ventilation doors in mines.

• 4) May open or close chute gates to load or unload cars.

• 5) May crush oversize rock or ore on grizzly to prevent clogging, using sledgehammer.

• 6) May remove and tag ore samples for laboratory analysis.

• 7) May be designated according to type of hauling machine as Dinkey-Operator Helper.