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fa dong ji qu zhou lian gan ji gou yi xiang fen xi zhen duan
Author(s): 
Pages: 23
Year: Issue:  6
Journal: Farm Machinery Using & Maintenance

Abstract: 发动机产生故障时,往往伴随有各种异常响声.响声异常是发动机故障的重要表现.掌握和利用响声异常的规律,可以迅速判断出故障的部位,有经验后,还可以判断出故障部位的损坏程度. 1.活塞敲击声 此响声是有节奏的间响,发响部位在气缸的上部,急速运转时发出明显而清晰的"哨、哨"声,和连杆轴承响声接近.这种响声在发动机低温时明显,温度升高后,响声即减弱或消失.另外,响声严重时,从加机油口处冒烟.
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