3176C and 3196 Engines For Caterpillar Built Machines Caterpillar


Lifter Group - Remove and Install

Usage:

140H 126

拆卸步骤

开始:

  1. 拆卸缸盖。 请参阅拆解和组装, "缸盖 - 拆卸"。


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损和缩短部件寿命。



注意

在进行检验、保养、测试、调整及维修产品期间,必须小心以确保装好排放出的油液。 在打开任何舱室或解体任何储有液体的部件之前,要准备好合适的容器收集液体。

有关收集和盛接 Cat 产品上油液的适用工具和用品,请参阅专门出版物, NENG2500, "代理商维修工具目录"。

按照当地法规和要求处置所有液体。




    图 1g01022184

  1. 拆下螺栓 (1) 和挺杆组件 (2)。 挺杆组件可以分两节拆除。


    图 2g01022187

  2. 从挺杆轴 (5) 右端拆除下列项:托架组件 (6), 气门挺杆 (8) 和 单体喷油器挺杆 (9)。

  3. 从挺杆轴 (5) 中部拆除下列项:气门挺杆 (8) 和 单体喷油器挺杆 (9)。

  4. 从挺杆轴 (5) 左端拆除下列项:托架组件 (7), 气门挺杆 (8) 和 单体喷油器挺杆 (9)。

  5. 从挺杆轴 (5) 上拆除定位销 (4) 和盖螺塞 (3)。

  6. 必要时将弹簧销从托架组件 (7) 上拆除。

  7. 必要时,将定位销 (10) 从托架组件 (6) 上拆下。

安装步骤


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损和缩短部件寿命。




    图 3g01022187

  1. 将弹簧销和定位销 (10) 安装在托架组件 (6) 中。 将弹簧销和定位销安装在托架组件 (7) 中。

  2. 将定位销 (4) 和盖螺塞 (3) 安装在挺杆轴 (5) 中。 组装前用清洁的发动机机油润滑挺杆轴。

  3. 将下列项安装在挺杆轴 (5) 左端:托架组件 (7), 气门挺杆 (8) 和 单体喷油器挺杆 (9)。

  4. 将下列项安装在挺杆轴 (5) 中间:气门挺杆 (8) 和 单体喷油器挺杆 (9)。

  5. 将下列项安装在挺杆轴 (5) 左端:托架组件 (6), 气门挺杆 (8) 和 单体喷油器挺杆 (9)。


    图 4g01022184

    注: 所有挺杆组件在被安装到发动机上之前,要在先浸入到清洁的发动机油中。

  6. 将挺杆组件 (2) 定位到发动机上并安装螺栓 (1)。 拧紧螺栓至扭矩为 30 ± 3 N·m (22 ± 2 lb ft)

结束:

  1. 安装缸盖。 请参阅拆解和组装, "缸盖 - 安装"。

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