Hello, wanting to know whats going on with my C.C. MTD HDS3185 18 hp v-twin. When ingaging PTO switch blades take a while to start turning they start slow barely then builds up speed boggs down when cutting and blades slow way down and i have to wait for it to build back up speed. I noticed that the pto, that rubber thing doe's press down , when i disengage pto switch the rubber thing lifts back up. can any one please help.thanks:frown: