Hey kid. I do have a 3010. My procedure is farther up in thread. I could not figure a way to get to the power panel from the basement. It seemed impossible to me but a dealership might know some tricks. I think many who have responded "just put it in the basement" don't have our model.
About my procedure and going in through the bottom.......
I have cut into most all of my under bellies. Once I am done I put a small piece of wood on top of the corrugated plastic and run a screw into it holding the wood through the hole. Then another screw into the wood holding the wood again. Then once all the cutouts but one are screwed down then one last screw to button up the last piece of plastic. As you can tell I normally make multiple cuts.
There are slits left open but there are so many intrusion points in the underbelly it does not bother me.
If I ever need to go back in.....I simply remove the screws.
Gary