Your EKI should have 0 blade play in any direction. None of the ones I have ever owned save for 1 exhibeted any. The one that did I took it apart and degreased everything with alot of WD40. Put a touch of tetra on both sides of each washer and reassembles. When doing so I smack the pivot end non screw side sharply on a table top with a towel underneath it or on my knee. Seems wierd but this is what I do. Readjust the pivot tension and voila` no more blade play. Works for me. keepem sharp