Posted 9/25/2014 21:09 (#4093956 - in reply to #4093816) Subject: RE: Shear bar adjustment on 3970 jd
N.C. Iowa
Hopefully you have an operators manual. If I remember right you will have to take off the pieces that allow you to adjust the shear bar and knock out a roll pin and tighten them up to a determined setting. This will take out the end play that can allow the shear bar to move or make it hard to set.