3/8/2014 6:03 AM
What area are you in, and what type of grass are you mowing? If your reels were worn down to 4.5 or less, your bedknife attitude was greatly affected. Adding a new reel restore that attitude so you are having a more aggressive cut, and could be causing some scalping issues. Check all the above mentioned items, these items need to be done, such as drum bearings, roller bearings, and squaring of the cutting unit. Raising the HOC and slowing bringing it back down will help your greens adjust to the new reels and attitude of your bedknife.
Let us know what helps you out, and always give as much info as possible, it will help others point you in the right direction quicker