C175 Generator Sets Caterpillar


Engine Oil Level - Check

Usage:

C175-20 BXR
最精确的发动机机油油位检查是在发动机停机和发动机机油处于冷态时。



    图 1g01245718

    (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。

  1. 确保发动机油位表 (2) 就位。



      图 2g00735162

      (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。

    1. 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 和 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 和 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。





    图 3g01229836

  1. 如有必要,向位于发动机某个气门盖上的补充机油加注口 (7) 加注发动机机油。 使用支架或平台以接近补充注油盖。 按照"安装和拆卸"专题中的安装发动机说明进行操作。 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。 安装加注口盖。

  1. 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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