VOUMARD Types 200 and 400 Internal Grinders. Detailed Operator's Instruction and Maintenance Manual VOUMARD Type 200 and Type 400 Internal Grinding Machines. Detailed Operator's Instruction and Maintenance Manual with Sectional Drawings and large Hydraulic and Electrical Schematics. Manufacturers: Voumard Models: 200 400 200/400 Contents: Operators Manual Maintenance Manual Electrical Diagrams