fan element?

isolate oven from electrical supply ~ working from inside the oven remove shelves / side liners / rear oven liner ~ element now exposed ~ if there are screw heads visable on the elemnt bracket remove these and ease the element towards you into the oven cavity ~ carefully remove any connected wires noting their postion ~ replace element ~ refit in reverse procedure ~ if screw heads were not visable ~ remove oven from its housing ~ remove rear external panel to gain access from the back of the element ~ then procede as before.

Nigel (glotech service engineer)
December 2005