Surgical instruments HS code classification

How to clean the car engine (the right way to clean the car engine) The Surgical instruments HS code classificationengine is the heart of the car. It is responsible for turning the wheels and providing power, so its operation is also very important.However, due to improper use or lack of proper maintenance, it is easy to accumulate sediment, debris or dirt inside the engine, which has a serious impact on the normal operation of the engine. In order to maintain the normal operation of the car engine, we need to clean it regularly. If you don't know how to clean your car engine, you can refer to the following content. Preparations before cleaning. Before cleaning the car engine, we must pay attention to some preparations: 1. Turn off the engine. When cleaning the engine, you must first turn off the engine and unplug its power supply to avoid circuit short circuit or other accidents. Two. Avoid direct sunlight. It is best to park the vehicle in a shady place to avoid direct sunlight on the engine, which is conducive to the heat dissipation of the engine and can also avoid the cleaning agent from drying too quickly.3. Prepare the necessary tools. When cleaning the engine, you need to prepare a high-pressure car wash with nozzles, air guns, cleaning liquids, brushes, cloths and other tools. Step 1 of cleaning the engine. Spray the cleaning liquid. Apply the cleaning solution to the surface of the engine, including the cylinder head, cylinder block, radiator, fuel tank, oil pump and other parts. It is better to spray detergent from the bottom to the top to avoid the dirt splashing down and re-adhering to the engine. Two. Wash with a brush. After applying the cleaning solution fully to the surface of the engine, use a brush to brush off the oil and dust on the surface of the engine. When brushing, be careful not to get the cleaning solution on the electronic components and hoses of the engine. 3. Rinse. After brushing off the cleaning liquid and dirt, point the nozzle of the high-pressure car wash machine at the engine and inject water to rinse. Rinse and startWhen using the machine, pay attention to the use of appropriate nozzles, and do not spray water directly on the electronic components and hoses of the engine. Four. Drainage. After rinsing, drain the water from the engine and clean up the water near the wheels. When draining water, do not use compressed air to drain water, otherwise it will spray water on the electronic components and hoses of the engine, causing damage. 5. Dry. After the engine is completely drained, the surface of the car engine can be dried with an air gun to avoid oxidation and bacteria when rainwater or other liquids are attached to the surface. Precautions 1. Do not spray detergent or water on the hot engine to avoid damage to the car engine. Two. When you clean the engine, be sure to follow the guidelines and safety operating procedures. You must wear personal protective equipment, such as gloves, goggles, etc., and avoid direct contact with various chemical solvents, detergents and water.3. Car repair and maintenance tools can be used, which can be purchased in car stores and online stores. If you are not sure about your ability, please send your car to a professional car repair center. It is very important to summarize and clean the car engine, because it can widen the surface area of the engine and prevent sediment and other particles from accumulating on the surface of the engine. When you work near hoses and electronic components, be sure to hold cleaners and other materials. It is best to use the right tools and methods to clean the car engine to avoid accidents and possible damage.

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