C1.1, C1.5 and C2.2 Engines for Caterpillar Built Machines Caterpillar


Piston Ring Groove - Inspect

Usage:

CB-22 220

表 1
所需工具 
零件号  零件名称  数量 
8H-8581  塞尺 

检查活塞和活塞环

  1. 检查活塞有无磨损和其他损坏。

  2. 检查活塞环是否能在环槽中自由移动以及活塞环有无断裂。

检查活塞环间隙

  1. 卸下活塞环,清洁环槽和活塞环。


    图 1g00905732
    (1) 塞尺
    (2) 活塞环
    (3) 活塞环槽

  2. 将新活塞环 (2) 装配到活塞环槽 (3) 中。

  3. 通过将 8H-8581 塞尺 (1) 置于活塞环槽 (3) 和活塞环 (2) 顶部之间,检查活塞环的间隙。 有关尺寸的信息,请参阅技术规格, "活塞和活塞环"。

    注: 在 C2.2T 发动机上,活塞具有锥形顶部环槽且其活塞环为楔形。 这种情况下,不能采用上述方法检查顶活塞环的间隙。

检查活塞环端隙



    图 2g01109214
    (1) 塞尺
    (2) 活塞环

  1. 清除缸孔顶部的所有积碳。

  2. 将各活塞环 (2) 置于缸孔中。

  3. 使用 8H-8581 塞尺 (3) 测量活塞环端隙。 有关尺寸的信息,请参阅技术规格, "活塞和活塞环"。

    注: 在测量控油环间隙之前,必须从环上拆下螺旋弹簧。

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