Here's the service guide for the Cardiff. This covers both the original Cardiff and the newer Series A. The instructions are valid for the 100, 200, 300, 400 and left hand equivalent models. I know the Cardiff is a very popular option for the big baits so I hope this helps.

http://www.calfishing.com/freshwater/shimano_cardiff_maintenance_guide.html
http://www.calfishing.com/files/Image/maintenance/shimano_cardiff_series_a/figure_4.jpg