This comprehensive DEUTZ Workshop Repair Manual provides detailed instructions and specifications for servicing and repairing DEUTZ BF4M2012, BF4M2012 C, and BF6M2012 C engines. It covers a wide range of topics, including: * **Specifications and key symbols:** Essential data for identifying engine parts and understanding their specifications. * **Control and adjustment:** Detailed guidance on adjusting and calibrating engine components for optimal performance. * **Repair of components:** Step-by-step procedures for repairing and replacing individual engine components, from pistons and connecting rods to injectors and fuel pumps. * **Disassembly and re-assembly of the complete engine:** Thorough instructions for disassembling and reassembling the engine, including detailed diagrams and illustrations. * **Removal and re-installation of components:** Specific instructions for removing and reinstalling various engine parts, ensuring proper alignment and installation. * **Tools:** A comprehensive listing of specialized tools required for engine maintenance and repair. * **Disassembly of engine:** Covers the process of taking apart the engine, including sections on cooling oil nozzles, tappets, camshaft, crankshaft bearings, mass balancing shafts, idler gear, control rod, timing case cover, front cover, shaft sealing inserts, pistons with connecting rods, and more. * **Re-assembly of engine:** Provides clear instructions for putting the engine back together, focusing on components like cooling oil nozzles, tappets, camshaft, crankshaft bearings, mass balancing shafts, idler gear, control rod, timing case cover, front cover, shaft sealing inserts, pistons with connecting rods, and more. * **Installation of injection pumps:** Detailed instructions for installing and adjusting fuel injection pumps. * **Measurement of control rod travel path:** Procedures for measuring the control rod travel path without injection pumps. * **Determination of piston firing TDC:** Guidance on finding the top dead center (TDC) for each piston. * **Determination of the fuel delivery cut-in point:** Instructions for determining the point at which fuel delivery starts. * **Testing for ease of movement of the control rod:** Procedures for checking the smooth operation of the control rod. * **Measurement of the control rod recess dimension:** Guidance on measuring the control rod recess dimension. * **Flywheel and other components:** Covers the disassembly and reassembly of the flywheel, adapter housing, ribbed V-belt pulley, torsional vibration damper, cylinder head, charge air pipe, exhaust manifold, exhaust turbocharger, oil return pipe, starter, governor, injector nozzles, injector lines, engine stop device, oil cooler housing, coolant preheating system, fuel filter housing, water tank, cylinder head cover, control line, pressure control valve, fan bracket, coolant pump, bracket/generator, suspension plate, fuel pump, tension pulley, fan drive, ribbed V-belt, fan, and oil pan. This manual is an invaluable resource for DEUTZ mechanics, technicians, and DIY enthusiasts, providing the knowledge and guidance necessary for successful engine maintenance and repair.

The DEUTZ BF4M2012, BF4M2012 C, and BF6M2012 C engines represent a robust line of industrial powerplants renowned for their reliability and performance. These engines are part of the DEUTZ 2012 series, characterized by their compact design and high power-to-weight ratio. The BF4M2012 and BF4M2012 C models are 4-cylinder engines, while the BF6M2012 C is a 6-cylinder variant. All engines feature water-cooled, turbocharged diesel technology, offering exceptional fuel efficiency and low emissions. Power outputs range from approximately 100 to 200 horsepower depending on the specific model and configuration. The "C" designation signifies a common rail fuel injection system, enhancing fuel economy and combustion efficiency. These DEUTZ engines are designed for a variety of demanding applications, including agricultural machinery, construction equipment, industrial generators, and marine propulsion systems. Their compact size makes them ideal for tight spaces, while their robust construction ensures durability even in harsh operating conditions. The DEUTZ 2012 series engines are known for their low maintenance requirements and long service life. The Service Repair Manual for this series provides comprehensive information on maintenance, troubleshooting, and repair procedures, aiding technicians in ensuring optimal engine performance and longevity. With its focus on reliability, efficiency, and versatility, the DEUTZ BF4M2012, BF4M2012 C, and BF6M2012 C engines continue to be a popular choice for a wide range of industrial applications across the globe.