正确确定柴油机机油换油周期,对柴油机的使用寿命至关重要,换油过迟会加速机械磨损,过早换油又会造成浪费。换油期一般按说明书进行,但换油期与技术状态、使用条件、油的质量等方面有直接关系。如机车技术状态和油 Correctly determine the diesel engine oil drain intervals, the life of the diesel engine is crucial, too late to change the oil will accelerate the mechanical wear and tear, too early to change the oil will cause waste. Oil change period is generally carried out according to the instructions, but the oil change period and the technical status, conditions of use, the quality of oil has a direct relationship. Such as locomotive technology status and oil