Get a solid grip- and use two hands. Hold the machine steady. Apply the cutting wheel gently at full throttle. Keep the machine In line with the wheel. Pressure from the side can damage the wheel and cause it to jam. Simply move the wheel slowly forward and backward in the direction of the cut. Maintain full speed until the cut is complete, allowing the machine to work without applying downward pressure. The cutting depth per pass should not exceed 2.5 Inches.