3512C and 3516C Marine Auxiliary and Generator Set Engines Caterpillar


Engine Oil Level - Check

Usage:

3512C 2A2
发动机停机时,可以对机油油位做最精确的检查。


    图 1g01920093
    (1) 加注口盖
    (2) 发动机机油油位表(油尺)

  1. 为了确保曲轴箱压力等于大气压力,请拆下加注口盖 (1)。

    过大的压力或稍小的真空度都将影响所测量的发动机机油油位。

  2. 确保发动机油位表 (2) 就位。


      图 2g02864756
      (3) "发动机停机,机油处于冷态"侧
      (4) "发动机低怠速,机油处于温态"侧
      (5) "加"标记
      (6) "满"标记

    1. 如果发动机停机,则取出发动机油位表。 观察"发动机停机,机油处于冷态"侧 (3) 的发动机油位。

    2. 如果发动机处于运行状态,降低发动机的转速到低怠速。 取出发动机油位表,观察"发动机低怠速,机油处于温态"侧 (4) 的发动机油位。

      发动机油位应介于"加"标记 (5) 与"满"标记 (6) 之间。


    注意

    如果曲轴箱中的机油量超过机油油位计(油尺)上的"满(FULL)"标记,发动机就可能会损坏。

    曲轴箱注油过量能使曲轴浸在机油中。 这将降低发出的功率,还迫使空气泡进入机油中。这些气泡(泡沫)会造成下列问题: 降低机油的润滑能力, 降低机油压力, 冷却不充分, 机油从曲轴箱呼吸器处涌出 and 更多的机油消耗量。

    机油的过度消耗将在活塞上和燃烧室中形成积碳。燃烧室中的积碳会导致下列问题: 气门形成冲蚀槽, 活塞环后积碳堆积 and 缸套磨损。

    如果机油油位高于油尺上的"满(FULL)"标记,立即放掉一些机油。


  3. 必要时,添加机油。 关于要使用的正确发动机机油,请参考本操作和保养手册, "油液建议"专题(保养部分)。 加注曲轴箱时,不要使油位超过发动机油位表上的"满"标记。 清洁加注口盖 (1)。 安装加注口盖。

  4. 记下加注的机油量。 为了进行下一次机油取样和分析,记录应包括上次更换机油时已添加的机油总量。 此记录将有助于提供最准确的机油分析。

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