C4.4 Industrial Engine Caterpillar


Wastegate Solenoid - Remove and Install

Usage:

C4.4 444

拆卸步骤

注: 为便于安装,在所有软管、软管组件、导线及管组件上做出识别标记。 塞住所有软管组件和管组件。 这样有助于防止污染物进入系统。



    图 1g01247498
    典型实例

  1. 按照步骤 1.a 至步骤 1.d,断开废气旁通阀电的线束组件。

    1. 滑动锁扣 (1)到解锁位置。

    2. 从发动机线束上拔下插头 ( 2)。

    3. 切断电缆扎带 (3)。

      注: 标识所有用于安装的电缆扎带的位置。

    4. 将线束组件 (4) 从管组件 ( 5) 上拆下。 用塑料夹 ( 6) 将线束组件固定在管组件上。


    图 2g01247569
    典型实例

  2. 从废气旁通阀 (7) 断开管组件 ( 5)。

  3. 从废气旁通阀 (7) 断开管组件 ( 8)。 从用于涡轮增压器供油的管组件拆下管组件 ( 8)。 用弹簧夹将管组件 ( 8)固定在用于涡轮增压器供油的管组件。

    注: 必须松动管组件 ( 8),以将管组件从废气旁通阀拆下。

  4. 卸下螺栓 (9),然后从缸体上卸下废气旁通阀电磁阀 ( 7)。

安装步骤



    图 3g01520645
    典型实例

  1. 将废气旁通阀 (7)松散地安装到管组件 ( 5) 上。

  2. 将管组件 (8)松散地安装到废气旁通阀电磁阀 ( 7) 上。

  3. 安装螺栓 (9)。 拧紧螺栓 (9) 至扭矩 44 N·m (32 lb ft)

  4. 拧紧管组件 (5) 和 ( 8) 至扭矩f 18 N·m (13 lb ft)

  5. 将管组件 (8)固定到用于涡轮增压器供油的管组件。 用弹簧夹固定管组件 ( 8) 。

    注: 确保管组件不接触其他发动机组件。



    图 4g01247498
    典型实例

  6. 按照步骤 6 至步骤 6.d,连接废气旁通阀的线束组件。

    1. 将线束组件 (4) 安装在管组件 ( 5) 上。 用塑料夹 (6) 将线束组件固定在管组件上。

    2. 将插头 (2)连接到发动机线束组件。

    3. 滑动锁扣 (1)到锁定位置。

    4. 将新的电缆扎带 ( 3) 安装到先前标识的位置。

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