PeTeWe Projection Form Grinding Machine PFS-4u Technical Instruction and Operation Manual PeTeWe Projection Form Grinding Machine PFS4u Technical Instruction and Operation Manual with an Electrical Schematic and a copy of the maker's Detailed and Comprehensively Illustrated Sales & Technical Specification Catalogue. Manufacturers: PeTeWe Models: PFS4u PFS-4U Contents: Operators Manual Maintenance Manual