OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Walk Behind Lawn Mower Frames Question On Scott Bonnar Cylinder Mowers Adjustment of rear drum

I recall Bruce describing a simple alignment device used in the trade to check SBs. I was advocating the use of a flat piece of concrete when he explained the tool and the way it is used. You should be able to find it in the archives - I think it was less than a year ago.