A professional who operates filter presses to separate oil of paraffin distillate from paraffin wax. Respnsibilities include:

• Installs filter plates, using handtools, and turns handwheel to adjust hydraulic ram pressure.
• Turns valve to regulate flow of chilled distillate into filter plates.
• Starts machine to activate hydraulic rams that squeeze oil from distillate as wax solidifies.
• Observes oil pressed from filter plates, and adjusts ram pressure to extract maximum amount of oil from wax.
• Scrapes accumulated wax from filter plates into spiral conveyor that carries it to melting pan.
• Turns valve to regulate flow of steam into melting pan to heat wax.
• Starts pump to return salvaged distillate from tank to filter press for reprocessing.
• May be designated according to phase of processing as Leak Operator, Paraffin Plant; Press Operator, Paraffin Plant.