I require aid fitting a deal with to my Belling 860 oven.?

Qusetions: looked uncomplicated to accomplish so I sent off for a fresh deal with (the outdated an individual cracked). I've taken out the internal glass door but cant get for the screws they look to become trapped behind the metal casing. Can everyone aid make sure you.

Answers:The casing requirements to arrive off, youll obtain the fastenings with the facet with the door just undo them and set your deal with back again on