C7.1 Engines for Caterpillar Built Machines Caterpillar


Valve Guide - Inspect

Usage:

525D 2L5
进行该项检查是为了确定是否需要更换气门导管。


    图 1g00314806
    测量气门导管中气门的径向移动。
    (1) 气门导管
    (2) 气门在气门导管中的径向移动
    (3) 气门杆
    (4) 千分表
    (5) 气门头

  1. 将新气门放入气门导管内。

  2. 将适当的带磁力底座的千分表放在缸盖表面。

  3. 升起气门头边缘,直至距离为 15.0 mm (0.60 in)

  4. 径向移动气门,使其远离千分表。 确保气门尽量远离千分表。 将千分表接触点定位到气门头边缘。 将千分表指针位置归零。

  5. 径向移动气门,使其尽可能靠近千分表。 记录千分表上指示的移动距离。 如果此距离大于气门在气门导管中的最大间隙,则需更换气门导管。 请参考技术规格, "缸盖气门",查看间隙有关信息。

当安装新气门导管 (1) 时,必须安装新气门和新气门座镶圈。 更多信息,请联系您的经销商或代理商。

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