I didn't know where to put this . But I have a proform glx760 treadmill. When I start to walk or run it slips and makes it strange to use. I have been told to tighten the belt I tried that but it didn't help . I'm not sure what else to do . I spent a lot of money on this treadmill and it is driving me crazy.
Any ideas I really need help thank you everyone.
Any ideas I really need help thank you everyone.