need to release the side screws at the back on each side which will allow you to pull the sides out enough to reach the 2 screws each side holding the hob down (along with the countersunk ones in the frame of the hob itself -only undo the front most one on each side). The hob will lift off and can be put aside or unplugged altogether. Pull the knobs off and you can just about get the screws for the regs though the knob hole.