A professional who operates machine to perforate wood products, such as timbers, ties, or poles, to facilitate penetration of wood preservatives. Respnsibilities include:

• Installs knife-studded incising rollers in machine and sets roller stops according to size of material being processed, using hand wrenches and pry bar.
• Turns air valve to regulate pressure on incising rollers and starts machine and conveyor system.
• Signals other workers to load or move timbers or poles onto conveyor or powered feeding tram.
• Moves levers or presses pedal to regulate speed of conveyor and opening of incisor rollers to accommodate various size timbers and poles.
• Examines rollers, knives, bearings, and conveyor mechanisms, and replaces worn or broken parts, using handtools.
• May operate discharge conveyor with lifting controls to unload poles onto ramp or into water.
• May operate trim saw to square ends on poles.
• May brand poles or timbers, using branding hammer.
• May be designated according to product processed as pole-incisor operator; timber-incisor operator.