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铲车拉缸会出现什么现象
更新时间: 2020-10-03 00:00:00  

会出现的现象:

1、润滑油上窜到气缸内引起烧机油;

2、排气管冒烟严重;

3、发动机噪声异常;

4、发动机不能正常工作甚至熄火。

拉缸是汽车发动机的常见故障之一,拉缸就是指气缸内壁被拉成很深的沟纹,活塞、活塞环与气缸壁摩擦副丧失密封性,从而导致气缸压缩压力降低,动力性丧失。可燃混合气下窜使曲轴箱压力增大,严重时会引起曲轴箱爆炸。

关键词: 铲车 出现 什么 现象

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