Hi Neil,
remove the lid & then lay the machine on it's front, remove the rear panel, you will also have to release the cir clip that holds the bearing to the drum shaft. Once the rear panel is removed the Zanussi tumble dryer belt should be easy to replace.
http://www.candmdomesticappliances.co.uk
www.candmdomesticappliances.co.uk
January 2010