Sep 11, 2019 · So if a grinding wheels is simply out of balance there simply could be a heavier spot in the grinding wheel creating some vibration. If the wheel appears egg shaped or "outofround" that means the wheel was misused and now will hop or bounce against the mower blade when you grind.
· Mounting Aluminum Oxide Grinding Wheels Visual inspection of the grinding wheel and checking the permissible number of revolutions or circumferential speed. Performing a clank test to check whether the grinding wheel has a crack: Light tapping of the grinding wheel with a nonmetallic hammer. If a clear ringing can be heard, then the wheel is ok.