C7 and C9 Engines for Caterpillar Built Machines Caterpillar


Injector Trim File

Usage:

511 511
Caterpillar电子技师 (ET) 用于在电子控制模块 (ECM) 中加载喷油器调整文件。

如果发生任何下述情况,必须向 ECM 中加载喷油器调整文件:

  • 更换喷油器。

  • 更换 ECM。

  • 253-02 诊断代码激活(如果适用)。

  • 268-02 诊断代码激活(如果适用)。

  • 调换所有气缸的喷油器。

调换喷油器

调换喷油器有助于确定喷油器或气缸中有无燃烧问题。 如果在气缸之间调换已装在发动机上的两个喷油器,还应调换喷油器调整文件。 按下 Cat ET 的"Injector Trim Calibration(喷油器调准标定)"屏幕底部的 "Exchange(调换)"按钮。 选择需要调换的两个喷油器,然后按下 "OK" 按钮。 被调换喷油器的改变次数会增加一次。

    注: 喷油器序列号和喷油器确认代码位于喷油器上。

  1. 记录各喷油器的喷油器序列号和喷油器确认代码。

  1. 点击 SIS 网站中的"维修软件文件"。

  1. 在搜索区输入喷油器的序列号。

  1. 将喷油器调整文件下载到 PC 上。 根据需要,对各个喷油器重复本程序。

  1. 将Caterpillar ET 与维修工具连接器连接。 请参阅 故障诊断与排除, "电子维修工具"中的电气故障诊断与排除。

  1. 恢复 ECM 的电源。

  1. 在Caterpillar ET 上选择下列菜单选项:

    • 维修保养

    • 标定

    • 喷油器调整校准

  1. 选择适当的气缸。

  1. 点击 "Change"(更改)按钮。

  1. 从 PC 上选择适当的喷油器调整文件。

  1. 点击 "Open"(打开)按钮。

  1. 如果得到 Cat ET 的提示,将喷油器确认代码输入字段。

  1. 点击 "OK"(确定)按钮。

    喷油器调整文件被载入到 ECM 中。

  1. 根据需要,对各个气缸重复本程序。

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