C4.4 Engines for Caterpillar Built Machines Caterpillar


Support and Mounting (CEM) - Remove and Install

Usage:

AP500F 449

拆卸步骤




    图 1g03729120

  1. 将电缆带 (6) 从线束组件 (5) 上拆下。

  1. 将螺栓 (1) 和螺母 (3) 从支架组件 (2) 上拆下。 拆卸螺栓和螺母时,支承支架组件。

  1. 将支架组件 (2) 从气门机构盖 (4) 上拆下。



    图 2g03729121

  1. 必要时,遵循步骤 4.a 至 4.e 拆解支架组件 (2) 。

    1. 拆下螺母 (7) 和垫圈 (8) 。

    1. 将安装件 (9) 从上部支架 (10) 上拆下。

    1. 将上部支架 (10) 从后支架 (15) 和前支架 (16) 上拆下。

    1. 拆下法兰 (11) 、套筒 (12) 和安装件 (13) 。

    1. 如有必要,将螺柱 (14) 从后支架 (15) 和前支架 (16) 上拆下。

  1. 将支架组件 (2) 从气门机构盖 (4) 上拆下时。 建议更换气门机构盖密封垫。 请参考拆解和组装, "气门机构盖 - 拆卸和安装"以了解正确步骤。

安装步骤

  1. 确保所有部件清洁、无磨损或损坏。 如有必要,更换所有磨损或损坏的部件。



    图 3g03729121

  1. 必要时,遵循步骤 2.a 至 2.e 组装支架组件 (2) 。

    1. 如有必要,将螺柱 (14) 安装到后支架 (15) 和前支架 (16) 上。 拧紧螺柱至扭矩为 25 N·m (221 lb in)。

    1. 将安装件 (13) 、套筒 (12) 和法兰 (11) 安装到后支架 (15) 和前支架 (16) 的螺柱 (14) 上。 确保法兰正确座合在安装件上,且套筒处于安装件中。

    1. 将上部支架 (10) 安装到后支架 (15) 和前支架 (16) 上。 确保支架朝向正确。

    1. 将安装件 (9) 安装到上部支架 (10) 上。

    1. 安装垫圈 (8) 和螺母 (7) ,并手动拧紧



    图 4g03729120

  1. 将支架组件 (2) 安装到气门机构盖 (4) 上。

  1. 将螺栓 (1) 和螺母 (3) 安装到支架组件 (2) 上。 安装螺栓和螺母时,支承支架组件。

  1. 拧紧螺栓 (1) 和螺母 (3) 至扭矩为 22 N·m (195 lb in)。

  1. 如有必要,将支架组件 (2) 安装件的螺母拧紧至扭矩为 78 N·m (58 lb ft)。 参考图 3。

  1. 将新电缆带 (6) 安装到线束组件 (5) 上。

    注: 确保电缆带符合原始设备制造商(OEM)的技术规范。

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