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* Automobile engine connecting rod is okx.com loginan important part of the engine, which plays the role of connecting the piston and the crankshaft, and is also a key part that converts the piston movement into the crankshaft rotation energy. The following article will introduce the function, composition, maintenance and replacement methods of the engine connecting rod in detail. I. The function of the engine connecting rod The engine connecting rod is one of the important parts inside the automobile engine. It is mainly responsible for converting the linear motion of the piston driven by the explosive gas generated by combustion in the cylinder into a rotating motion, and then pushing the crankshaft to realize the rotation of the engine. The engine connecting rod adoptsMade of steel, it is usually composed of three parts: the rod head, the large end and the small end. The shape of the whole connecting rod is similar to the pull rod. Its main function is to make the engine more stable and efficient in operation. II. Composition of the engine connecting rod 1. The pole head is a pier-shaped part on the connecting rod, which is used to fix the connection between the connecting rod and the crankshaft and strengthen the entire connecting rod structure. There are many holes in the rod head used to fix the steel hoops and pin shafts. These steel hoops and pin shafts are used to ensure the coordinated movement between the connecting rod and the large and small ends. Two. The big end is the part that connects the connecting rod and the crankshaft. It is usually designed in a hemispherical shape. Its function is to transmit the movement of the connecting rod to the crankshaft through the pin shaft on the piston. The quality and design of the large end are crucial to the performance and life of the engine. In general, if the large end of the connecting rod fails, it will lead to a wide range of engine failures.3. The small end is the part that connects the piston, which is usually designed as a narrow part to fix the piston. There are usually some grooves and holes on the surface of the small end, which are used to fix parts such as pin shafts and steel rings. The length of the small end on the engine connecting rod of different specifications, the position and size of the hole are also different. III. Maintenance of the engine connecting rod. If the owner often maintains it, it can effectively improve the life and use effect of the engine connecting rod. Common maintenance methods include the following: 1. Regular oil replacement: Regular oil replacement can ensure the reduction of friction between the internal parts of the engine, thus reducing the wear of the engine connecting rod. Two. Regularly replace the connecting rod lubricating oil: Place a screw rod between the connecting rod and the crankshaft. When moving the crankshaft, the screw rod will also move into the oil line inside the connecting rod to ensure the oil lubrication in the system.3. Replace the air filter regularly: During the use of the engine, there will be a lot of dust and impurities in the air. If it enters the engine, it is easy to produce dust, which in turn accelerates the wear of the engine connecting rod. Four. Pay attention to the operating status of the engine: During the operation of the engine, if abnormal sounds and other abnormal situations are found, they should be dealt with immediately to avoid further damage to the engine. IV. The replacement method of the engine connecting rod. When we find that the engine connecting rod is damaged or seriously worn, we can choose to replace or repair the engine connecting rod. The following steps are required to replace the engine connecting rod: 1. Check the engine: First of all, check whether the engine is the same model. If different models of engine connecting rods are installed, it will lead to incoordination of components such as crankshafts and connecting rods, resulting in serious failures. Two.Disassembly of the engine: When disassembling the engine, tools and skills should be mastered well to ensure that the engine is not damaged. After disassembly, it should be carefully cleaned. 3. Remove the connecting rod: When removing the connecting rod, first remove the bolts and positioning pins connected to the engine, and separate the pin shaft and steel ring connecting the piston, and then remove the connecting rod. Four. Check the crankshaft and connecting rod: Carry out a detailed inspection of the crankshaft and connecting rod to understand their wear during use, and replace them immediately if serious wear or damage is found. 5. Replace the engine connecting rod: Select the suitable engine connecting rod and replace it. When replacing, pay attention to adjust the installation gap and position between it and the crankshaft. 6. Assemble the engine: After replacing the connecting rod, assemble the engine in the original order and specifications, and test whether it is running normally. Generally speaking,The engine connecting rod is one of the most important parts of the engine, which has an important impact on the performance and life of the car. Maintenance and replacement of engine connecting rods is an important measure to ensure the smooth operation of the car. Car owners should deepen their understanding and maintenance methods of engine connecting rods to protect the service life of the car.

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