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wei shi me jie shang hui you guan jiu mie huo
Author(s): 
Pages: 30
Year: Issue:  2
Journal: Farm Machinery

Keyword:  回油管密封环带开启位置高压燃气针阀体喷油嘴针阀小四轮拖拉机顶杆燃烧不完全细滤清器;
Abstract: <正> 一台长春小四轮拖拉机发生接上回油管后就灭火的故障。经检查发现,是由于喷油器针阀卡死在开启位置。当针阀卡死在开启位置时,压缩与爆发时的高压燃气,通过针阀与针阀体锥面(即密封环带)的缝隙冲向喷油器体内,沿着顶杆、调压弹簧、调压螺钉的空隙冲到回油管空心螺栓处。因回油管的另一端是用铜管
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