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1.科右前旗五叉沟林业局有一台C12M联合收割机,近期使用中出现发动机油底壳进水故障。但是在着车时油底壳不进水,而当发动机熄火一段时间后,油底壳里才进水。修理人员根据这一情况,对发动机的冷却系统从水箱下水室到油水交换器,再到气缸盖,进行了全面检查,都没有发现问题。最后在堵住机体进、出水口进行加水试验时,发现第5缸气缸内壁上有两道细裂缝渗水,原来这就是油底壳进水的原因
1. Section right before the banner Wuchaigou Forestry Bureau has a C12M combine harvester, the recent emergence of the engine oil pan water problem. However, when the car sump does not enter the water, and when the engine flame out after a period of time, the oil pan only water. Based on this situation, the repairer conducted a thorough inspection of the cooling system of the engine from the tank sump to the oil-water exchanger to the cylinder head and found no problems. Finally, blocking the body into the outlet for water test, we found that the cylinder wall cylinder bore five fine cracks seepage, which is why the oil pan into the water