THE RUBBER SNUBBERS ON THE CRUSHER SCREEN NEEDED TO BE REPLACED. AS HE WAS REPLACING THEM HE DISCOVERED THE RUBBER NEEDED TO BE TRIMMED A 1/4"". AS HE WAS TRIMMING, THE LAST CUT DIDN'T HAVE ANY RESISTANCE & THE BLADE PROCEEDED TO CUT HIS UPPER LEFT LEG THAT REQUIRED 7 STITCHES.