i just picked up a woods tsg50 stump grinder for my bx 24. its a **** of a unit and seems to be built like a brick ***** house. first off, i have never grinded a stump before. what i need to know is, do most of you guys that grind just set up over the stump and goto town or do you generally dig around the stump a bit clearing the dirt first. i dont want to wipe out the teeth on the thing right off the bat. are they delicate where if i hit a stone or sand it will wipe the teeth right out. i am generally looking for some first time user tips here. i probabaly wont be doing any stumps for a while since i have to set up all the hydraulics on the grinder and tractor first.