C7.1 Engines Caterpillar


ECM Mounting Bracket - Remove and Install

Usage:

525D 2L5

拆卸步骤

开始:

  1. 拆下电子控制模块(ECM)。 有关正确步骤,请参阅拆解和组装, "电子控制模块 - 拆卸和安装"。


    图 1g03397464

  1. 将电缆带 (1)、电缆带 (4) 和电缆带 (9) 从导线线束组件 (8) 上切断。

    注: 标注将导线线束组件连接到 ECM 安装支架的电缆带位置。

  2. 将导线线束组件 (8) 远离 ECM 支架 (10)。

  3. 将螺栓 (5) 从塑料管组件 (7) 的支架 (6) 上拆下。

  4. 将塑料管组件和支架远离 ECM 支架 (10)。

  5. 将螺母 (2) 从母线绝缘体上拆下,将线束 (3) 从母线绝缘体上断开。


    图 2g03397465

  6. 将螺栓 (11) 从 ECM 支架 (10) 上拆下。 拆卸螺栓过程中,支承支架。

  7. 将 ECM 支架 (10) 从缸体 (12) 上拆下。

安装步骤

  1. 确保 ECM 支架清洁、无损坏。 如果 ECM 支架损坏,则进行更换。


    图 3g03397465

  2. 将 ECM 支架 (10) 定位在缸体上。 确保支架朝向正确。

  3. 将螺栓 (11) 安装到 ECM 支架 (10) 上。 安装螺栓过程中,支承支架。

  4. 拧紧螺栓 (11) 至扭矩为 22 N·m (195 lb in)


    图 4g03397464

  5. 将导线线束组件 (8) 定位到 ECM 支架 (10) 上。

  6. 将新的电缆带 (1)、电缆带 (4) 和电缆带 (9) 安装到导线线束组件 (8) 上。

    注: 确保电缆带符合原始设备制造商(OEM)的技术规格。

  7. 将塑料管组件 (7) 和支架 (6) 定位到 ECM 支架 (10) 上。

  8. 将螺栓 (5) 安装到塑料管组件 (7) 的支架 (6) 上。

  9. 拧紧螺栓 (5) 至扭矩为 22 N·m (195 lb in)

  10. 将线束 (3) 连接到母线绝缘体。

  11. 安装螺母 (2)。 拧紧螺母至扭矩为 10 N·m (88 lb in)

结束:

  1. 安装电子控制模块。 有关正确步骤,请参阅拆解和组装, "电子控制模块 - 拆卸和安装"。

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