C175 Generator Sets Caterpillar


Engine Oil Sample - Obtain

Usage:

C175-20 BXR
除了良好的预防保养项目以外,还应采用 S·O·S 定期机油油样分析的 Caterpillar 建议。 S·O·S 定期机油油样分析提供红外线分析,用以确定硝化和氧化程度。

采样与分析

------ WARNING! ------

热油和热的部件可能会导致人员受伤。 不要让热的油和部件接触皮肤。


在进行机油采样以前,先填写标签, PEEP5031,以识别油样。 为了有助于获得最精确的分析结果,要提供下列资料:

  • 发动机型号

  • 发动机的工作时数

  • 上次更换机油以来的累计工作小时数

  • 上次更换机油以来的机油添加量

为了确保油样能代表曲轴箱中的机油,要获取热的、充分混合的机油油样。

为了避免机油油样的污染,用来获取机油油样的工具和容器必须清洁。

Caterpillar 建议使用取样阀来获取机油油样。 使用取样阀时,油样的油质和一致性较好。 取样阀的位置使得油样能在发动机正常运转时压力下流出。

用取样阀的情况下,建议使用 169-8373 油液取样瓶 。 油液取样瓶包括取样所需要的零件, 同时还提供了说明。


注意

必须分别使用专用的机油采样泵和冷却液采样泵。 使用同一个泵去进行两种液体的采样会污染抽取的液样。 这种污染可能会导致代理商和客户关注由此造成错误的分析和不正确的解释。





图 1g02361263

发动机机油取样端口

如果发动机上未装取样阀,就使用 1U-5718 真空泵 。 该泵设计成可安装取样瓶。 必须使用一次性的管子接到泵上,并插入油底壳中。

有关说明请参考专门出版物, PEgj0047, "如何获得良好的 S·O·S 油样"。 为了获得完整资料和协助制订您发动机的机油定期油样分析程序(S·O·S),请与 Cat 代理商联系。

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