Unplug the appliance and either unscrew the base plate or lift the hod of the cleaner to reveal brush roller.
Pull up on the roller and lift out both ends.
loop one end of the new belt over the motor and slip the other end into the slot moulded into the rolller.
Pull on the roller to stretch the belt and carefully fit both ends of the roler into the slots. Then refit the panels.
jonny, November 2004