A professional who tends equipment to regulate flow of liquor (sugar solution) from char filters to receiving tanks, as scheduled. Respnsibilities include:

• Opens valves and starts pumps to maintain flow of liquor into specified storage tank.
• Places weir box (flow box) under outlet pipe from filter with flow box outlet over gutter leading to tank inlet.
• Changes position of weir, in accordance with notices from char-filter operator, as prescribed by schedules, or when tests of salt content, densities, and purities indicate change in quality of liquor.
• Regulates flow of soft liquor bypass to attain specified color and purity of soft-sugar liquor (brown sugar).
• Records hourly readings of soft-liquor flow and purities.
• Directs liquor-bridge-operator helper in regulating flow and routing of sweetwater and wash waters from char filters.
• Keeps record of filter operations.
• Takes samples of liquors for laboratory analysis.