950M T3 and 962M T3 Wheel Loader Engine Supplement Caterpillar


Electronic Control Module - Remove and Install

Usage:

950M ENE

拆卸步骤


注意

请确保对燃油系统进行的所有调整和修理均由经过适当培训的授权人员执行。

在燃油系统上开始任何工作之前,请参阅操作和保养手册, "一般危险信息和高压燃油管路"以了解安全信息。

有关在燃油系统上进行任何作业时必须遵循的清洁度标准的详细信息,请参阅系统操作,测试和调整, "燃油系统部件清洁度"。


  1. 将蓄电池断路开关转到断开位置。

  2. 将燃油供应转到断开位置。


    图 1g06089593

  3. 松开将原始设备制造商(OEM)导线线束组件 (2) 固定到电子控制模块 (4) 的螺栓 (3)。 将(OEM)导线线束组件从电子控制模块上断开。 将(OEM)导线线束组件远离电子控制模块。

  4. 松开将发动机导线线束组件 (9) 固定到电子控制模块 (4) 的螺栓 (8)。 将发动机导线线束组件从电子控制模块上断开。

  5. 切断将发动机导线线束组件 (9) 固定到电子控制模块 (5) 的电缆扎带 (1) 和电缆扎带 (7)。

    注: 记录将导线线束组件连接到电子控制模块的电缆带位置。

  6. 将发动机导线线束组件 (9) 远离电子控制模块 (4)。

  7. 断开线束组件 (5) 和 (6)。


    图 2g06089590

  8. 拆下螺栓 (10),然后拆下垫圈 (11) 和垫圈 (14)(未显示)。 小心不要损坏接地接头 (15)。

    注: 拆下螺栓时,支承电子控制模块的重量。

  9. 将电子控制模块 (5) 从电子控制模块支架上拆下。

    注: 记录电子控制模块的朝向。

安装步骤

  1. 按与拆卸相反的顺序安装电子控制模块 (5)。

    1. 拧紧螺栓 (10) 至扭矩为 22 N·m (195 lb in)

    2. 将螺栓 (8) 拧紧至扭矩为 6 N·m (53 lb in)

    3. 将螺栓 (3) 拧紧至扭矩为 6 N·m (53 lb in)

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