Obviously make sure you have unplugged from the mains.
1. Take the top and 2 side panels off;
2. Carefully remove the retaining pin from the drum spindle at the back (this will be exposed when you remove the cover plate);
3. Release the top two retaining bars at the front and the front panel can be moved forward to release the drum. Remove the drum from the left side;
4. Carefully release the plastic panel at the bottom to expose the drive spindle - this will allow you to feed the belt onto the drive spindle. Replace the plastic panel;
5. Replace the drum looping the belt over the drum via the back of the drum - this is the trickest bit. Adjust the belt so that it feeds beteen the two tension wheels. You may wish to plug the machine in to ensure the belt drives the drum before re-assembling.
6. Put everything back in the reverse order to above.
It was simpler than I expected and only took about 30 mins.
Jon
November 2007