Boley 5LZ High-precision Screwcutting Lathe. Boley 5LZ High-precision Screwcutting Lathe. Operating Instructions withsectional drawings through the headstock, headstock backgear assembly and the leadscrew bearings - but not other parts, adjustment of spindle bearings, Operating and repair instructions for the ZF clutches, an electrical schematic, lubrication chart and instructions, report on the build tolerances achieved, instructions for the special thread-cutting attachment Type d3a, instructions for screwcutting with instructions for instant reversal, cutting speed chart, screwcutting chart of metric, inch and MOD pitches, lifting instructions, floor plan dimensions, fault-finding instructions, annotated controls drawings. A copy of the maker's sales and technical specification catalogue. Available with English or German Text