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新闻详情
微耕机发动机故障分析排除
时间:2013-06-17 来源:本站 作者:管理员

 发动机无力的检查与故障排除。

 
一是检查空气滤清器是否被堵塞,排除方法是清洗滤清器;检查排气管是否畅通,堵塞严重时清除积炭。二是检查发动机机油是否变质或变少,处理方法是更换或补充机油。三是检查发动机是否有压缩,处理方法是更换活塞环。四是若为柴油发动机,检查供油时间和气门间隙是否正确,然后进行调整。五是若为汽油发动机,检查点火提前角是否符合要求,是否贫油或富油等。 
 
 
发动机不运转的检查与故障排除。
 
一是检查燃油是否 用完,如果是,要及时补充燃油。二是检查发动机启动顺序是否正确,检查启动拉盘是否能正常使用。三是检查发动机压缩情况是否良好,排除方法是不拉减压操纵杆,用手旋转查验反冲力。四是若为柴油发动机,检查是否燃油喷射不出,排除方法是检查喷油嘴是否卡死,燃油管道是否进空气。五是若为汽油发动机,检查点火是否正常,油道是否堵塞等。 
 
其他常见故障的排除。
 
一是如果发现中间链盒已经松了,调整旋耕机动力输入轴与主机变速箱动力输出轴的间距即可。二是如果发现挂挡困难或在操作中自动脱挡,多数原因是由于齿轮损坏造成,只要更换齿轮就可以了。三是如果离合器分离不彻底,这是因为离合制动手柄自由行程过大,只要调整离合器拉杆长度就能解决。四是倘若发现V带打滑,这主要是由于V带过松或胶带本身磨损过多引起的,首先要检查V带是否需要更换,然后再调整V带的松紧度。五是机器使用时间长了,最容易出现的问题就是变速箱内有杂音。这主要是由于齿轮磨损或有毛刺,润滑油不足或质量不符合要求造成的,查明原因后及时解决。