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       CODE: 513.462-010 Buy the DOT:Download/CD-ROM
TITLE(s): FURNACE OPERATOR (smelt. & refin.)
Operates furnace to remove moisture, arsenic, or sulfur from ore: Charges top hearth of roaster
with ore, regulating rate of charge by means of chute door. Determines speed with which roaster is
being charged by weighing sample of charge ore obtained over measured interval of time. Starts
rabbles (automatic rakes) that scrape hearth beds continually and move ore from one hearth to next
lower one. Regulates draft and temperature of roaster by adjusting dampers and gas pressure.
Replaces rabble arms by detaching arm from shaft with bar and removing it with hoist. Replaces
defective rabble teeth. Directs workers in removing incrustations from hearth beds. Removes samples
of roasted ore for laboratory analysis. May clean arms and rabbles with scrapers and iron bars. May
determine oxide content of dried ore by titrating specified amount of flakes and calculating
percentage. May replace defective parts and clean equipment.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77
ONET CROSSWALK: 92923 Furnace, Kiln, Oven, Drier, or Kettle Operators and Tenders
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