Did you have to cut out an area on the front cover for the 3YM-30 for the v belt pully like the others have? Peter J. Ackerman, CPA The Dental Marketplace American Dental Sales 155 N. Michigan Ave. Ste. 600 Chicago, Illinois 60601 Ph: (312) 240-9595 Fax: (312) 896-5909 pjackerman at aol.com