you need to lift hob off.drop grill door 3 screws along top edge,2 at the back.prise metal strips off on both sides nearest the oven doors.remove 3 screw.remove 3 screw holding back edge of side panels.remove side panels.you will now see 2 mountings on each side that hold the hob on.remove screws.hob should carefully lift to one side and give you access to the cooling fan
ck, January 2012