C3.4B Engines Caterpillar


Service Information Report

Usage:

CD-44B 398
确认对发动机执行正确的修理后,提供简单扼要的信息。 此信息至关重要,能够帮助 Caterpillar 更好地服务于您和客户。

建议

客户投诉

从客户获取尽可能多的信息。 调查研究所有可资利用的书面信息资料,记录所有从客户搜集到的信息资料。 下列信息资料尤其重要:

  • 指出是否记录了事件代码。

  • 指出是否记录了诊断代码。 另外,记录所记录的代码。

  • 指出出现的有关发动机运转的故障现象。

  • 指出发动机软件零件号。

应尽可能具体详实。

故障的原因

有关故障原因的说明应包括记录的诊断代码的编号。 说明也应指出代码是否是激活的诊断代码。 指出故障的根源。 同时指出使用何种方法发现故障根源的。 以下所列是几例可能用于发现故障根源的方法:

  • 遵循手册中的特定步骤。

  • 目视检查指出发动机线束上出现导线磨损。

  • 发动机测力计测试指出功率低于 1700 rpm 下的技术规格。 功率损失是由于 4 号喷油器缺失引起的。 发动机测力计测试指出在高于 1700 rpm 的所有发动机转速下,功率低于技术规格。

应尽可能具体详实。

修理步骤

修理步骤的说明应包括以下类型的信息资料:

  • 对导线线束进行了修理。

  • 根据工厂说明修改了满负荷设定(FLS)。

应尽可能具体详实。

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