Huller "Ultromat" Tapping Machines UG8, UG20 and UG36 (Hahn and Klob): Operator's Instruction and Maintenance Manual with Parts as Sectional Drawings and Electrical Schematics. Huller "Ultromat" Tapping Machines UG8, UG20 and UG36 (Hahn and Klob): Operator's Instruction and Maintenance Manual with Parts as Sectional Drawings and Electrical Schematics. Manufacturers: Hueller Models: UG UG20 UG36 UG8 Ultromat Contents: Operators Manual Maintenance Manual Parts Manual Electrical Diagrams