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shi yong wei xiu
Pages: 23
Year: Issue:  8
Journal: Farm Machinery

Keyword:  螺孔主轴承盖主油道行驶速度上三角齿轮啮合直喷式柴油机柴油机工主轴承座气缸壁;
Abstract: <正>机体为何裂纹一台泰山-25拖拉机没用多长时间,就发现飞轮一侧主轴承盖座孔上方的螺孔处有裂纹。由于该螺孔与主油道相通,机油便从裂纹处渗出,又无法修理,只好更换新机体。但使用时间不久,又出现同样故障,只好又更换新机体。经认真分析,找出了故障原因。原来,柴油机上三角皮带轮的外径应为14厘米,但该车跑运输,为提高行驶速度,换成了直径为16.5厘米的皮带轮。即使将柴油机置于最
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