Section R. 408.15452 - Edger-trimmerRule 5452.
(1) The cutting blade of an edger-trimmer shall be covered with a guard to prevent foreign objects from being discharged into the operator's area or at an angle above 15 degrees from the ground.(2) The power shall be shut off when converting from edging to trimming operation or from trimming to edging.Mich. Admin. Code R. 408.15452