Hopefully my attached picture can be accessed. I cannot remember the manufacturer or how the adjust the float level. I guess I disconnect any linkage then see if the black float screws clockwise or anti-clockwise ?
http://s630.photobucket.com/albums/uu28/headache5678_photos/?action=view¤t=IMG_4128.jpg
http://s630.photobucket.com/albums/uu28/headache5678_photos/?action=view¤t=IMG_4128.jpg