C4.4 Industrial Engine Caterpillar


Vacuum Pump - Remove and Install

Usage:

C4.4 444

拆卸步骤


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。


注: 为便于安装,在所有软管、软管组件及管组件上做出识别标记。 塞住所有软管组件和管组件。 这将有助于防止液体泄漏和防止污染物进入系统。



    图 1g01254510
    典型实例

  1. 从真空泵 (1) 及缸体上卸下管组件 (4)。

  2. 从真空泵的接头 (3) 上断开真空管。

  3. 拆下螺栓 (2)。 从前壳体上卸下真空泵 (1)。

  4. 拆下垫片。

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 2g01254510
    典型实例

  1. 确保真空泵清洁、无损坏。 如有必要,更换真空泵。

  2. 清洁前壳体的表面。

  3. 将新垫片安装到真空泵 (1) 上。

  4. 将真空泵 (1) 安装到前壳体上。 如有必要,转动真空泵的轴来对齐齿轮。

  5. 安装螺栓 (2)。

    拧紧 M8 螺栓至扭矩为 22 N·m (16 lb ft)

    拧紧 M10 螺栓至扭矩为 44 N·m (32 lb ft)

  6. 将真空管路连接到接头 (3) 上。

  7. 将管组件 (4) 安装到真空泵 (1) 及缸体上。 拧紧管组件上的螺母至扭矩为 9 N·m (80 lb in)

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