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qu bing lian gan ji gou de gu zhang yuan yin ji jian cha fang fa
Author(s): 
Pages: 88
Year: Issue:  10
Journal: Farm Machinery Using & Maintenance

Abstract: 曲柄连杆机构是发动机的力量源泉,是发动机的心脏.发动机运转中,曲柄连杆机构的活塞、活塞环、活塞销、连杆、曲轴和机体受到巨大的冲击力,易产生变形、裂纹或断裂,造成发动机不能启动、异响等.因此,曲柄连杆机构出现故障一定要及时排除.下面就曲柄连杆机构故障的现象、产生原因及判断方法做一叙述. 一、发动机拉缸 1.故障现象 新车或经过大修的车在磨合期容易产生拉缸现象.
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