How to Remove a Tree Stump with a Grinder (DIY) | Family ...
Pivot the grinding head slowly across the stump by rolling the unlocked wheel forward and back. Shut the engine off after removing about 4 to 6 in. of stump, then roll the machine forward, reset the brake and resume grinding. It usually takes about 45 minutes to grind a 20-in. oak stump. Check out another way to remove a tree stump yourself.