TOS FA3A Series Millers FA3AH, FA3AU & FA3AV (Horizontal, Universal & Vertical) Millers: Operator's Instruction and Maintenance Manual. TOS FA3A Millers FA3AH, FA3AU & FA3AV (Horizontal, Universal & Vertical) millers: Operator's Instruction and Maintenance Manual. The various Figures referred to in the text are found in the separate Parts Manual shown below. Manufacturers: TOS Models: FA3A-H FA3A-U FA3A-V Contents: Operators Manual Maintenance Manual