C6.6 Engines for Caterpillar Built Machines Caterpillar


Fuel Transfer Pump - Install

Usage:

CS-56B 437

安装步骤


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。

有关在所有燃油系统工作期间必须遵循的清洁度标准的详细信息,请参阅系统运作,测试和调整, "燃油系统部件清洁度"。


  1. 确保喷油泵 (1) 和输油泵 (2) 的配合面清洁且无损坏。



    图 1g01335045

  1. 将新的 O 形密封圈 (11) 安装到输油泵 (2) 上。 用清洁的发动机机油润滑 O 形密封圈。



    图 2g01335043

  1. 将输油泵 (2) 上的孔与喷油泵 (1) 上的定位销 (10) 对准。 将输油泵安装到喷油泵上。



    图 3g01334899

  1. 用球头通用扳手安装六角螺钉 (3) 。 拧紧六角螺钉至扭矩为 30 N·m (22 lb ft)。

  1. 从端口和管组件上拆下螺塞和盖子。

  1. 将发动机机油供油管组件 (4) 安装到喷油泵 (1) 上。 将新垫圈安装到机油供油管组件的中空螺栓上。 将中空螺栓安装到缸体上。 拧紧两个接头至扭矩为 15 N·m (11 lb ft)。

  1. 将燃油回油管组件 (8) 从输油泵 (2) 和缸盖上拆下。 拧紧两个中空螺栓至扭矩为 21 N·m (15 lb ft)。

  1. 将新的 O 形密封圈安装到接头 (6) 上。 将接头 (6) 安装到输油泵 (2) 上。 拧紧接头至扭矩为 15 N·m (11 lb ft)。

  1. 如有必要,将新的 O 形密封圈安装到接头 (9) 上,再将接头 (9) 安装到输油泵 (2) 上。 拧紧接头至扭矩为 15 N·m (11 lb ft)。

  1. 将塑料管组件 (5) 连接到输油泵 (2) 的出口上。

  1. 将塑料管组件 (7) 安装到输油泵 (2) 上。

  1. 将燃油供应转到接通位置。

  1. 排出燃油系统中的空气。 请参阅系统操作、测试和调整, "燃油系统 - 充注"。

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