A professional who operates decker or rotary filter machines to remove water from pulp stock and reduce stock to specified consistency for bleaching or beating. Respnsibilities include:

• Turns valves to regulate flow of pulp stock into machine vat.
• Starts machine and adjusts controls to regulate speed of cylindrical screen in vat.
• Turns valve to adjust suction in cylinder to deposit pulp on screen at specified rate and remove white water through meshes of screen.
• Turns handwheels or pulls lever to adjust press roll against screen to obtain pulp of specified consistency.
• Pulls lever to adjust blade that scrapes pulp from screen into storage chest.
• May tend flat or rotary screens to remove coarse fibers from pulp.