一、采用“眼看”视觉检验用眼睛直接观察农机具的异常现象,如漏油、漏水、发动机排出的烟色以及机件松脱、明显断裂、扭曲变形等。二、采用“耳听”声觉检验根据响声的特征来判断故障部位,辨别故障发生时应注意到的异响声与伴随声等现象,注意响声与 First, the use of “seeing ” visual inspection Direct observation with the eyes of agricultural machinery anomalies, such as oil spill, water leakage, the engine exhaust smoke and loose parts, significant fracture, distortion and so on. Second, the use of “ear to hear ” sound test According to the characteristics of the sound to determine the fault location, identify the sound of the fault should be noticed sound and accompanying sound and other phenomena, pay attention to sound and