undo the lid, remove 2 side  rails and remove 2x 7mm studs which are located at front l/h and r/h corners, there are 3 lugs which hold the panel around the soap box which need pressing out of the way, you can do this with a screw driver while pulling on the panel and it will release, its normally the selector thats dodgy
                 keymatic irl.
                
 February 2013