Winter maintenance of tractor
Check the battery case for leaking electrolyte. If there is leakage, the battery should be replaced; if there is no leakage, the surface of the battery and the oxide on the battery post should be cleaned with hot water, but be careful not to let the water enter the inside of the battery from the ventilation hole. After the water is dry, it is best to use sandpaper to clean the contact surface between the pole and the connector, and tighten the fixing screw on the connector to ensure that sufficient current passes through the connector. Check electrolyte specific gravity and liquid level. After the battery is fully charged, the sulfuric acid concentration of the electrolyte is adjusted. If the sulfuric acid concentration is too high, the battery life will be shortened. The liquid level of the electrolyte should be 10 to 15 cm above the upper edge of the plate. When the height is not enough, distilled water or battery replenishment solution should be added in time. Do not directly add electrolyte or tap water. This will immediately cause the destruction of the battery. Seasonal maintenance of cooling system First, from the appearance, check the water pump drain hole, thermostat joints, upper and lower water pipe joints, water outlets, water tank caps and water tanks and other parts with no signs of leakage. If leakage is found, it should be immediately eliminated after finding out the cause. It must not be done. Check the freezing point of the antifreeze. In general, the liquid freezing point of the antifreeze can be 5 to 10 degrees Celsius lower than the lowest temperature in the area where the vehicle is traveling. Finally check the thermostat. If the thermostat does not work properly, and the tractor's engine is working at a low temperature or high temperature for a long time, it will aggravate the wear of the engine and shorten the life of the engine. Therefore, the thermostat must maintain a good state. More importantly, the thermostat should never be removed. After a typical tractor removes the thermostat, it will take about two to thirty thousand kilometers and the engine will be scrapped. Oil and filter replacement Lubricating oil in tractor engines involves the life of the engine. Some drivers do not understand this principle. If any brand of engine oil is replaced at will, it is easy to make the engine appear mechanical accidents such as pulling cylinders and burning tiles. The replacement of engine oil is generally performed once every 10,000 km, and some require 7,000 km or 5,000 km of oil to be replaced. These can be based on the driving conditions of the farmers' tractors and the driving conditions. However, do not add unnecessary additives, anti-wear agents, etc. when changing the oil. Pay attention to change the oil filter when replacing the oil, if you want to save money, do not change the oil filter, then the performance and lubrication of the oil will be greatly reduced.
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Check the battery voltage. When the engine temperature is normal and the starter is in good condition, the engine can start smoothly several times in a row, indicating that the battery is in good condition and the voltage is normal. If each engine starts, the engine speed is gradually reduced, or the engine is barely able to start, indicating that the battery voltage is in a depletion state and charging should be performed in time.
Pay attention to the antifreeze liquid level. Generally about 10 millimeters from the water tank inlet, or according to the standard scale on the replenishment tank to add the same kind of antifreeze, do not add too much antifreeze or water, give the tank sufficient thermal expansion space.
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