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gen ju you ya biao du shu fen xi run hua xi gu zhang
Author(s): 
Pages: 39
Year: Issue:  1
Journal: Farm Machinery

Abstract: <正> (1)发动机启动后,机油压力逐渐下降至规定值以下,甚至降到0。其原因多因曲轴主轴瓦、连杆瓦或凸轮轴套严重磨损,配合间隙增大,当机油温度升高使粘度下降时,机油从这些间隙处大量泄漏;另一种原因是限压阀和回油阀磨损,密封不严而造
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