Job Description:

• 1) Removes tar, pitch, and carbon accumulated in coke-collecting mains, using chisel bar: Lifts plugs from collecting main, using hook.

• 2) Places disk over plughole and shoves chisel bar through center hole of disk.

• 3) Twists bar to pry tar from walls of main.

• 4) Removes tar and pitch from traps, using spooning bar.

• 5) Sweeps and cleans area.

• 6) Cleans spray nozzles of collecting mains, using wire-cleaning tool.

• 7) May apply steam to loosen residue from walls of collecting mains.