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换油时,取出量油尺,拧开放油螺堵,使油全部流出;若冷车,则需起动发动机3～5 min,使发动机预热.油记高.油的粘度变小,流动性好,油更易从发动机内放出,而且油中变劣的物质及机械杂质易被悬浮分散和油一同排出发动机。当发动机长期工作之后检查油面或更换油时,应防止烫伤。若放出的油太出,应加人原规定油量的60％左右的润滑油(或用20％煤油稀释配成的混合油),使发动机怠速运转l～2 min,然后拆下火花塞,用脚踏起动蹬杆3～5 min,将清洗油全部放出。当检查放油螺堵上()
Oil change, remove the dipstick, unscrew open the oil plug, the oil all out; if the cold car, you need to start the engine 3 ~ 5 min, so that the engine preheat oil high oil viscosity decreases, mobility Good, the oil is more likely to be released from the engine, and the deterioration of oil and mechanical impurities are easily dispersed by the oil and discharged together with the engine. When the engine after long-term inspection of oil or oil replacement, should be scalded. If the released oil is too high, add about 60% of the oil (or mixed oil diluted with 20% kerosene) to make the engine idle for l ~ 2 min, then remove the spark plug and use Pedal kick lever 3 ~ 5 min, all the cleaning oil release. When checking the drain plug ()