Heckert (WMW & Union) FU-250 and FW250 Milling Machines. Manual and Data Pack supplied with new machines Heckert (WMW & Union) FU-250 and FW250 Vertical Millers. A "Data Pack" as supplied with new machines including an "Electrical Manual" - but no electrical schematics. Manufacturers: Heckert Union WMW Models: FU-250 FW-250 Contents: Operators Manual Maintenance Manual Technical Drawings