3064 and 3066 Engines for Caterpillar Built Machines Caterpillar


Cooling System - Inspect

Usage:

320B L 1ES
冷却系统如果不进行定期检查就会引起发动机温度升高。 在进行任何测试之前应对冷却系统进行目视检查。

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

溢出的带压液体可能导致人身伤害。

如果压力表上显示有压力值,从散热器上拆卸任何软管之前,应先按压放气阀来释放压力。


  1. 检查冷却系统中的冷却液液位。

  2. 查看冷却系统有无渗漏。

    注: 少量冷却液通过水泵密封渗漏出来是正常的。 这一渗漏是为这种密封提供润滑所必需的。 水泵壳体上有一个小孔,该小孔使得这些冷却液/密封润滑剂能够从水泵壳体中流出来。 少量冷却液从此小孔中断断续续地渗漏出来并不表明水泵密封失效。

  3. 确保通过散热器的气流畅通。 查看散热器芯上有无弯折的散热片或波折的散热器芯之间有无碎屑。 还要检查波折的散热器芯之间有无碎屑。

  4. 检查风扇的驱动皮带。

  5. 检查风扇叶片是否损坏。

  6. 查看冷却系统是否有空气或燃烧气体。

  7. 检查加注口盖和气密封表面。 该表面必须清洁。

  8. 检查散热器芯中有无大量污垢。 检查发动机上有无大量污垢。 去除散热器芯和发动机上的污垢。

  9. 护罩松动或缺失会导致冷却空气流动性差。

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