Engine disassembly training purpose: 1. Consolidate and strengthen the theoretical knowledge of the course of automobile engine structure and principle, and lay the necessary foundation for the following courses; 2. Make students master the assembly, parts and their connection, disassembly methods and steps of automobile engines and matters needing attention; 3. Learn how to disassemble machine tools and measuring tools accurately; 4. Understand the common sense of safe operation, know the accurate placement, classification and cleaning methods of parts after disassembly, and develop good work and production habits; 5. Exercise and cultivate students' practical ability. Engine disassembly training requirements: 1. Learn how to use tools and instruments to accurately disassemble automobile engines; 2. Learn the overall disassembly and adjustment of the automobile engine and the accurate disassembly and assembly of the main components of each system; 3. Learn to check and measure the main parts of automobile engines; 4. Master the basic structure and working principle of automobile engine; 5. Understand the structure and working principle of each component system of automobile engine. Engine disassembly training tool: Pu Sang gasoline engine; Cummins diesel engine; Disassembly and assembly of special tools and general tools; Gloves. Training steps for engine disassembly: First, disassemble the engine 1. Remove the distributor and spark plug. 2. Remove the carburetor assembly. 3. Remove the intake manifold 4. Remove the exhaust manifold. 4. Remove the exhaust manifold. 5. Remove the engine belt and timing belt, flange, water pump assembly, etc. 6. Remove the cylinder head cover. 7. Remove camshaft 8. Remove cylinder head 9. Remove the valve assembly. 8. Remove the oil filter, vacuum valve and other accessories. 9. Remove the oil pan. 10. Remove the piston connecting rod assembly. 1 1. Remove the crankshaft flywheel assembly. Part disassembly 1. Disassembly of water pump (understanding internal structure) II. Remove the valve mechanism (observe the valve, tappet, valve seat, etc.). 3. Disassembly of oil pump 4. Disassembly of piston connecting rod assembly 3. Cleaning of spare parts Clean the removed parts with diesel oil and brushes. Four. Assembly of accessory 1. Assembly of engine water pump 2. Assembly of valve mechanism. 3. Assemble oil pump 4. Assemble the piston connecting rod assembly. Verb (abbreviation of verb) Engine assembly 1. Assemble crankshaft flywheel assembly 3. Assemble the piston connecting rod assembly. 2. Assemble the machine filter and oil pump. 3. Assemble oil pan 4. Assemble the oil filter, vacuum valve and other accessories. 5. Assemble valve assembly 7. Assemble cylinder head 8. Assemble camshaft. 6. Assemble cylinder head cover 7. Assemble engine belt and timing belt, flange, water pump assembly, etc. 8. Assemble the exhaust manifold. 9. Assemble the intake pipe 10. Assemble carburetor assembly 1 1. Assemble distributor and spark plug. Training process: Dismantle the engine: 1. Remove the engine cylinder head. 1) Remove the fixing screws of cylinder head 13. Pay attention to loosen the screw from both ends to the middle, and remove the temperature screw for three times. 2) Lift the cylinder head. 3) Remove the cylinder gasket and pay attention to the installation direction of the cylinder gasket. 4) Loosen the oil drain screw of the oil pan 20 to drain the oil in the oil pan. 5) Turn the engine over and remove the oil pan locking screw (note that the screw should also be centered at both ends.