Colchester Mascot & Mastiff VS Models,sections including the VS1600, VS1800, and VS2000 (variable-speed) Large and detailed Instruction and Maintenance Manual and Illustrated Parts Manual as Sectional Drawings. Includes sections on the accessories: high-speed threading units, bed stops, taper-turning unit, steadies, toolposts, guards, Heidenhain Glass Scale and other fittings, coolant assembly, etc. This edition includes details of the wiring harness cabling specifications, an electrical schematic for the relay board, schematics and constructional details of the headstock push-button assembly, Electrical schematics and layout diagrams of the apron control panels, constructional and layout details of the electrical enclosure assembly, etc. A large publication printed in Part 1 and Part 2.