Job Description:

• 1) Mixes flux for graphite tubes and replaces tubes and chemical supply tanks on aluminum remelt furnaces: Mixes silicon aluminum paint solution and dips ends of new graphite tubes into solution to coat them.

• 2) Transports tubes and tanks of chlorine and nitrogen to furnaces, using handtruck.

• 3) Turns valves to shut off flow of chlorine and removes tubes from furnace, using handtools.

• 4) Discards broken tubes and installs new ones.

• 5) Cleans usable tubes, using wire brush, and installs them to specified depth.

• 6) Installs replacement tanks of chlorine and nitrogen on furnace, using handtools, and adjusts valves until tank pressure and flowmeters reach specifications.

• 7) Records amounts of chemicals and tubes used for each furnace.

• 8) Tours furnace area to verify readings of pressure and flowmeter gauges and makes required adjustments.