I have one of these - it wasn't easy to put on the belt that they supply, (it wasn't fitted when delivered and the first belt wore out very quickly because the instructions were not clear) and when I got it to work the machine lasted for about 4 hours before it stopped working. Now it will not start and there was no manual supplied to tell me how to repair it - so I have to pay someone to fix it - it is 4 years old and past warranty.I won't buy another !