| Job Title |
First Helper |
| Job Description |
Operates Open-hearth Furnaces To Produce Specified Types Of
Steel: Examines Raw Materials For Conformance To Specifications.
Signals Charging-machine Operator (steel & Rel.) To Place
Materials In Furnace. Turns Fuel, Air, And Steam Controls To
Adjust Fuel Mixtures And Draft. Moves Levers To Circulate Gas
Throughout Furnace To Distribute Heat And Prevent Burning Out Of
Furnace Walls. Signals Overhead Crane Operator (any Industry)
921.663-010 To Pour Molten Metal In Furnace. Obtains Sample Of
Metal, Using Long-handled Spoon, And Pours Sample Into Test
Mold. Tests Sample For Carbon Content, Using Carbon Analyzer.
Moves Controls To Open Furnace Doors, And Shovels Additives,
Such As Fluorspar, Lime, And Alloys, Into Furnace To Obtain
Specified Type Of Steel. Determines Temperature Of Metal, Using
Thermocouple. Observes Color Of Molten Metal Through Cobalt-blue
Glasses To Determine When To Tap Furnace And Notifies Melter
Supervisor (steel & Rel.). Directs Crew In Tapping Furnace And
Adding Specified Additives To Ladle. Records Operational Data On
Forms. Examines Furnace To Determine Repairs Needed, And Directs
Crew In Repairing Furnace Walls And Flooring.
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