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2.第二类异响: (1)柴油机发出类似小铁锤敲打铁钎子强而尖的“当当”异响声,用长柄改锥抵在气缸体上部最易清晰听出柴油机低速运转或转速突然变化时,响声更加清晰。这种异响声是连杆小头轴套间隙太大引起的。如果这种异响声不十分严重,且在刚起动后发生,待柴油机温度正常后就减轻或消失,则可继续工作,待对柴油机进行三级保养时,再更换已磨损的零件。但是异响声严重时,要立即停车更换零件。 (2)柴油机发出“空咚”、“空咚”的敲击声,在柴油机转速突然变化或低速运转时特别明显。用长柄改锥抵在机体气缸套全长部位时听得更加清晰,同时伴随有烧机油征象。这种异响声是由于活塞与气缸壁间隙过大,当柴油机工作时,增加了活塞对气缸套壁的撞击而引起的。为进一步证实,可在柴油机温度正常时停车,向气缸套内加入
2. The second type of abnormal sound: (1) Diesel engine issued a similar iron hammer tapping iron strong and pointed tip “Dangdang ” abnormal sound, with long handle screwdriver arrived in the upper part of the cylinder body most clearly hear the diesel engine speed When running or speed changes suddenly, the sound is clearer. This noise is connecting rod head sleeve gap is too large caused. If the noise is not very serious, and just after the start occurred until the normal temperature of the diesel engine to reduce or disappear after normal, you can continue to work on the diesel engine when the three maintenance, and then replace the worn parts. However, when the abnormal noise, stop the replacement parts immediately. (2) Diesel engine beeps “empty boom” and “empty boom”, which are especially obvious when the diesel engine speed changes suddenly or at low speed. With long-handled screwdriver arrived in the body parts of the cylinder liner to hear more clearly, accompanied by burning oil signs. This abnormal noise is due to the piston and cylinder wall clearance is too large, when the diesel engine, increasing the impact of the piston on the cylinder wall caused. To further confirm that the normal temperature in the diesel parking, add to the cylinder liner