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Author:
Journal / Book Title:
Year:
Volume:
Issue:
shou fu tuo la ji yi liao an li xuan bian
Author(s):
ZUO Xiaohua
Pages:
25
Year:
1993
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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