Not sure if this is the right place for me to post as I am an elderly Diyer and not a pro. My reason for posting is that I am having some trouble with my Einhell table saw, bought some years ago but not much used. The drive belt spins off the pulleys, stretched possibly though not much used, and I cannot see anyway of tensioning the belt to compensate nor any easy way to fit a new belt on the two grooved pulleys. Result of buying home user style kit I may be told! Any advice on dealing with this problem would be appreciated.