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dong fang hong 28 liang ge xiao gu zhang
Author(s): 
Pages: 35
Year: Issue:  7
Journal: Farm Machinery

Keyword:  供油提前角供油时间出油阀压缩力花键钉头;
Abstract: <正>1.单缸不工作的原因何在?有一台东方红—28拖拉机,产生二缸不工作、冒白烟的现象。经检查二缸的喷油嘴雾化情况很好,出油阀密封性、气缸压缩力也没问题。后来,再仔细检查,原来是二缸供油提前角过小(为14°,规定是16°~20°),供油时间过晚引起的。我们采取将花键接盘向"十"方向移动一个孔,供油提前角增大3°,使一、
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