Fortuna Grinders Types AFB300A & AFB300A/M Manual Fortuna AFB-A and AFB-AM (AFB-300 Finimag) Grinders. Very, large Operator's Instruction and Maintenance Manual. This manual has stained pages and is sent as a PDF and your post will be refunded. Manufacturers: Fortuna Models: 300 A AFB AM Finimag AFB300A Contents: Operators Manual Maintenance Manual