The stump grinder is maneuvered into position, and then it is operator guides the cutter wheel in a sweeping motion through the stump. The grinding teeth have a carbide sharp tip on the end that pulverizes or grinds the wood bers in the stump.This process continues until the stump is fully gone. If the stump is larger the operator may readjust the machine to different angles to ensure that all of the stump is reached.