This Training Manual will teach the theoretical knowledge and mental skills needed by a Machinery Repairman. This package may be combined with on-the-job training to provide the necessary elements of practical experience and observation of techniques demonstrated by more senior Machinery Repairmen.Covers the following topics: Toolrooms and Tools, Layout and Benchwork, Metals and plastics, Power Saws and Drilling Machines, Offhand Grinding of Tools and Selection of Carbide Tools, Engine Lathes, Milling Machines and Milling Operations, Vertical Turret Lathe and Horizontal Boring Mill, Shapers, Planers, and Engravers, Precision Grinding Machines, Computer Numerical Control Machines, Metal Buildup, Repair Work, Gears and Gear CuttingMetallurgy and Heat Treating, Tabular Information of Benefit to a Machinery Repairman, Formulas for Spur Gearing, Derivation Formulas for Diametral Pitch System.