Purchase the adjusting tool from where you bought the scope and then buy the book mentioned above, or check on the net. The adjusting sequence is there someplace. Or, make your own tool
The windage should not be tight. If anything most of the repro's I have looked at, the windage adjustment is quit loose and I have had to correct the condition.
Just out of curiosity, what do you have the scope mounted on and how is it mounted?