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發電機

發電機組氣門彈簧響怎么辦?

發布日期:2022-10-09 點擊率:16

  發電機組的氣門彈簧在發動機怠速時,可清楚的在氣門罩蓋處聽到“喀噠喀噠”的響聲,且有時帶有嗡聲,嚴重時汽車的加速性能下降,并伴有起動困難和個別缸工作不良的現象。那遇到發電機組的這種情況怎么辦呢?下給大家解析一下:

  1.原因

  ① 氣門彈簧質量差,彈力過弱或歪斜。

  ② 氣門彈簧斷裂。

  2.診斷與處理方法

  ① 氣門彈簧響主要是由于彈簧斷裂引起的,它的聲音沒有氣門腳響的余音干凈。氣門彈簧是否斷裂,拆開氣門室罩蓋就可以看出。

  ② 在響聲不很明顯的情況下,可抖動油門,當發動機改變轉速時,氣門彈簧會發出明顯的無節奏的異響。

  ③ 在靜態下,可用旋具撬動彈簧檢查,也可用旋具滑動敲擊彈簧,若聲音不同于其他彈簧,有沙啞聲,則說明該彈簧有裂紋或折斷,應及時更換。

  ④ 若在途中同時有幾根彈簧折斷,影響行駛,可就地停車,拆下斷彈簧后,將兩端平面相對,再按原方式裝在氣門桿部,暫可以工作,但到維修點后必須更換。

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