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0311-89651889
常見故障

氣門錐面局部燒蝕(俗稱燒口)

發布時間:2014-9-16 10:48:37  點擊數:2247

產品名稱:氣門

問題描述:氣門錐面局部燒蝕(俗稱燒口)

特  征:氣門錐面局部燒蝕(俗稱燒口)

圖  片:

原因分析:

磨合面密封不良,漏氣是引起燒蝕的直接原因,發動機過熱引起的氣門變形,更換氣門時與氣門座研配不良,氣門間隙過小,氣門彈簧彈力不足,過多的積碳使氣門發卡座合面上沉淀,或氣門座圈磨損,下陷等,都會造成座合面密封不良。


 
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