How to maintain the engine engine maintenance tips
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1. Use an appropriate quality grade of lubricant. For gasoline engines, SD-SF grade gasoline engine oil should be selected according to the attachment and use conditions of the intake and exhaust systems; diesel engines must be selected based on the mechanical load.
For B-CD diesel engine oil, the selection criteria shall not be lower than the requirements specified by the manufacturer.
2. Regularly change the oil and filter element. The oil quality of any quality grade oil will change during use. In order to avoid the occurrence of failure, the oil should be changed regularly according to the conditions of use, and the oil volume should be moderate (usually the upper limit of the oil scale is good).
3. Keep the crankcase well ventilated. Most petrol engines are now equipped with PCV valves (positive crankcase ventilation), but contaminants in the helium gas can be deposited around the PCV valve, which can cause the valve to clog. Therefore, the contaminants around the PCV valve must be regularly removed.
4. Clean the crankcase regularly. During the operation of the engine, the high-pressure unburned gas, acid, moisture, sulfur, and nitrogen oxides in the combustion chamber enter the crankcase through the gap between the piston ring and the cylinder wall and mix with the metal powder produced by the wear of the components. Sludge. Therefore, the crankcase should be cleaned periodically to keep the interior of the engine clean.
5. Regularly clean the fuel system and control the formation of coke to keep the engine in top condition.
6. Rust and scaling of engine tanks are the most common problems. The rust and scale can limit the flow in the coolant cooling system, reduce heat dissipation, cause the engine to overheat, and even cause engine damage. Therefore, clean the tank regularly to remove rust and scale.
7. Maintenance three filters: Three filters refer to air filters, oil filters and fuel filters. The third filter acts as a filter for air, oil, and gasoline on the engine of the car, thereby protecting the engine and improving the efficiency of the engine.