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shou fu tuo la ji yi liao an li xuan bian
Author(s): 
Pages: 25
Year: Issue:  11
Journal: Farm Machinery

Keyword:  顶杆自动熄火进气门气门室发动机曲轴气门间隙间隙增大主动齿轮零件磨损异常响声;
Abstract: <正>案例一机型:工农-12型手扶拖拉机。症状:大修后使用一段时间,在一次起动后不到2分钟就突然自动熄火。熄火后再也起动不着了。病因检查:发动机曲轴转动灵活,可排除大小瓦烧死、气门折断和活塞咬死等。再检查供油情况,发现喷油状况也正常。最后,拆下气门室罩盖发现,进气门顶杆脱落。
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