I had forgotten about those power adjust harrows. It seems that I always had a miserable time adjusting them. The ground was either too hard or too soft to hold the harrow while adjusting them. I also remember sitting in grade school and watching the dairy farmer from up the road pulling his set of those discs down the paved road.... what a clatter! 
  Everyone around here is  getting the itch to turn over the soil.... snow possible for the weekend !  Well, that's just springtime around here!
            Cal