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一、气门座圈的安装 气门座圈和汽缸盖上座孔的配合有0.04～0.09mm的过盈量,因此在更换新气门座圈时不可采取硬性敲击的方法镶入,应采用冷冻法或加热法安
First, the installation of the valve seat Valve seat ring and the cylinder head seat hole with 0.04 ~ 0.09mm interference, so the replacement of the new valve seat can not be taken hard knock method, should be used frozen or Heating law and order