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Engine cooling fan is HS code-driven margin analysisone of the most important components in the automobile engine cooling system. When the engine is running, a large amount of heat will be generated, and the function of the cooling fan is to introduce air into the engine compartment, enhance air flow, and solve the problem of engine heat dissipation. If the engine cooling fan fails or is abnormal, it will cause the engine temperature to rise, damage the engine parts, and even cause safety accidents such as combustion. Therefore, timely detection and repair of engine cooling fans is an important measure to maintain the safety of cars. I. Why is it necessary for the engine cooling fan to generate a large amount of heat during the operation of the engine, but also produce airflow, which will turn up the air around the engine to form an airosphere.But these airflows cannot consume the heat in the engine radiator, and cooling gas needs to be inhaled through the cooling fan. Without a cooling fan, the cooling efficiency of the engine radiator will be greatly reduced, and the engine will be damaged due to overheating. II. How to detect the engine cooling fan 1. Appearance inspection: First of all, do a simple inspection of the appearance of the cooling fan to see if there are exposed wires, broken or deformed blades, etc. Two. Manual rotation: Manual rotation of the cooling fan to check for excessive rotation or looseness. If it is difficult to rotate or loose, you need to check the motor of the cooling fan or the lawn mower. 3. Tool detection: Use synchronizers and multi-purpose meter tools to detect the rotation speed and current of the fan motor. If abnormal current or rotation speed is detected, a more detailed inspection of the motor is required.Four. Thermal radiation detection: use a thermometer to detect the engine temperature. 30 minutes after the engine is started, turn on the engine cooling fan to observe whether the engine temperature has dropped. III. How to repair the engine cooling fan 1. Replace the blade: If you find that the engine cooling fan blade is deformed or detached, you can consider replacing the blade. Two. Clean the fan: If the cooling fan is blocked by dust and debris, clean up the dust or oil stains on the fan blades and motor fans. 3. Replace the faulty motor: If the fan is difficult to turn or the motor fails, the motor needs to be replaced. During the replacement process, attention should be paid to removing the connecting lead with appropriate tools, and pay attention to the model and specifications of the replacement motor. In a word, the engine cooling fan is an important component that needs to be maintained at any time in the vehicle cooling system. The timely detection and maintenance of the vehicle's cooling fan is to ensure the safety and stability of the continuous operation of the engine.When using a car, we also need to maintain the heat dissipation system regularly, replace the heat sink regularly, and regularly clean the engine surface with detergent to keep the car clean and hygienic. These measures will help you better protect your car and ensure your driving safety.
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