C175-16 Locomotive Engines Caterpillar


Coolant Sample (Level 1) - Obtain

Usage:

C175-16 3A9
注: 如果冷却系统加注 Cat ELC(长效冷却液),建议每 2000 小时采取一次冷却样本(1 级)。 加注了 Cat ELC 的冷却系统,应在保养间隔表中规定的建议间隔取得冷却液液样(2 级)。

注: 如果冷却系统加注了任何其它类型冷却液,而不是 Cat ELC 冷却液,包括以下冷却液在内的,应取得冷却液液样(1级)。

  • 符合 Caterpillar 发动机冷却液技术规格 -1(Caterpillar EC-1)的市售长效冷却液

  • Cat DEAC (柴油发动机防冻液/冷却液)

  • 市售重负荷冷却液/防冻剂

表 1
建议间隔 
冷却液类型  1 级  2 级 
Cat DEAC  每250个工作小时数  每年(1) 
常规的重负载冷却液 
符合 Caterpillar EC-1 标准的市售冷却液 
Cat ELC 或常规 EC-1 冷却液  2000 小时  每年(1) 
(1) 如果怀疑或确定存在问题,应更快地进行 2 级冷却液分析。


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。


注: 1 级分析的结果可能表明需要进行 2 级分析。

尽可能接近推荐的取样间隔期进行冷却液的取样。 为获得最佳的 S·O·S 分析效果,必须建立前后一致的数据趋势。 为了建立相关的数据历史记录,应按均匀间隔进行一致的取样。 从 Caterpillar 代理商处获得采样所需的器具。

请遵循下列指南,对冷却液进行正确的取样:

  • 开始采样前,填写采样瓶标贴上的事项。

  • 将未用过的取样瓶保存在塑料袋中。

  • 从冷却液取样口直接获得冷却液液样。 不要从其它地方取样。

  • 直到开始取样时,再取下空取样瓶的瓶盖。

  • 为防止杂质污染,取样后应立即将样品装入邮寄管中。

  • 切勿从膨胀瓶中取样。

  • 切勿从系统的排放口取样。

提交样本进行 1 级分析。

有关冷却液分析的更多信息,请参见本 操作和保养手册l, " 加注容量和建议" 或咨询您当地的 Caterpillar 代理商。

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