whoa, poldim we used two EXACT SAME TOOLS!! Mine is husky brand also.
Yes, getting that bolt unscrewed is a bit tough, you just gotta be patient and take it slow.
I did sand the surface a bit(just in case). I really didn't sand much at all though, I just cleaned it out in case there are some dust or something. I don't think its needed though. V1 powers up strong.