A professional who empties slurry from precipitator tanks as directed by top-precipitator operator. Respnsibilities include:

• Starts and stops pumps to transfer slurry to thickener tanks.
• Adjusts valves to control rate of discharge of slurry and to maintain required level of mixture in equalizer tanks.
• Removes barrel flanges, using handtools.
• Cleans precipitator barrels and screen boxes, using hose and cleanup tools.
• Cleans airline of precipitator tank, using metal rod.
• Lubricates valves and adjusts packing glands to prevent leaks.