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一台内蒙-15型新拖拉机,运转时发动机温度高,排气管冒白烟。经检查,燃油供给系的零部件和供油时间等均正常,后打开曲轴箱盖板检查,发现机油混浊,经沉淀后,放出不少水。进一步检查气缸套阻水圈及缸垫等,都封闭良好。后经加水观察,发现气缸盖上的防冻堵贴合不严,导致水从四周渗出,经推杆孔流入油底壳。用圆冲顺防冻堵周围边缘铆冲,使防冻堵封闭严密后,故障排除。
A new Inner Mongolia -15 tractor, the engine running temperature is high, the exhaust pipe take white smoke. After examination, the fuel supply system components and fuel supply time are normal, open the crankcase cover inspection and found that oil turbidity, after precipitation, release a lot of water. Further check cylinder block water ring and cylinder pad, etc., are closed well. After water observation, found that the antifreeze block on the cylinder seal fit lax, resulting in water seeping from the periphery, into the oil pan through the hole into the pusher. Use a round punch along the edge of the anti-freeze riveting punch, so that the antifreeze block closed tightly, troubleshooting.