C4.4 Engines for Caterpillar Built Machines Caterpillar


Balancer - Remove

Usage:

C4.4 2W2

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
9U-6198  曲轴转动工具 
230-6283  正时销(曲轴) 
231-8849  正时销(平衡器) 
1P-2320  组合式拉拔器  

开始:

  1. 拆下发动机油底壳。 请参阅拆解和组装, "发动机油底壳 - 拆卸和安装"。

  2. 拆下前盖。 请参阅拆解和组装, "前盖 - 拆卸和安装"。

注: 要拆卸平衡器,必须从机器上卸下发动机。 应将发动机倒置安放在适当的台架上。


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

在检验、保养、测试、调整及维修产品时,务必留心,确保液体盛装在容器中。 在打开任何腔室或拆解任何储有液体的部件之前,要准备好用合适的容器收集液体。

按照本地法规和指令处置所有液体。


  1. 使用工具 (A) 转动曲轴,使 1 号活塞处于上止点位置。


    图 1g01259627
    典型示例

  2. 将工具 (B) 穿过孔 (X) 安装到前齿轮室中。 使用工具 (B),将曲轴锁定到位。


    图 2g01259635
    典型示例

  3. 卸下螺栓 (3) 和吸油管 (2)。

  4. 从吸油管上卸下密封垫。


    图 3g01252310
    典型示例

  5. 将工具 (C) 安装到平衡器 (1) 上。 确保已将工具 (C) 在驱动轴 (5) 的孔中啮合。

  6. 将适当的起吊设备连接在平衡器 (1) 上。 支撑住平衡器的重量。 平衡器重量约为 23 kg (51 lb)

  7. 拆下螺栓 (4)。 使用起吊设备卸下平衡器。


    图 4g01259636

  8. 除非定位销损坏,否则不要从曲轴上卸下定位销 (6) 和定位销 (7)。

    注: 平衡器装置是一个不可维修的部件。 发动机机油泵和发动机机油安全阀是平衡器中唯一可以维修的零件。

拆解步骤

  1. 拆下发动机机油安全阀。 请参阅拆解和组装, "发动机机油安全阀 - 拆卸和安装"。


    图 5g01478152
    典型示例

  2. 拆下螺栓 (8) 和轮毂 (9)。 卸下惰齿轮 (10) 和止推垫圈 (11)。


    图 6g01259631
    典型示例

  3. 拆下螺母 (12)。 使用工具 (D),从机油泵的轴上卸下齿轮 (13)。

    注: 不要通过使用正时销锁定平衡器的方式来松开螺母 (12)。

  4. 卸下螺栓 (14),然后卸下前齿轮室 (15)。

  5. 卸下外转子 (17),然后卸下内转子 (16)。

    注: 标出转子的旋向。

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