The ARRIEL 2B, 2B1, and 2S1 Turboshft Engine Training Service Repair Manual is a comprehensive guide designed for technicians and engineers working with these powerful engines. This manual delves into the intricate details of the ARRIEL engine, providing a thorough understanding of its components and systems. It covers everything from the engine's fundamental design, including the free turbine turbo-shaft configuration, to its complex operational aspects. The manual offers detailed descriptions of the axial compressor, gas generator HP section, power turbine, exhaust pipe, reduction gearbox, transmission shaft, accessory gearbox, oil system, air system, fuel system, control system, starting system, and electrical system. You'll find detailed step-by-step procedures for maintenance and repair, accompanied by clear illustrations and diagrams. This manual also includes sections on fault analysis, troubleshooting, and checking of knowledge, equipping you with the necessary tools to diagnose and address any issues.