854K Wheel Dozer Caterpillar


Cooling System Water Temperature Regulator - Replace

Usage:

854K 221
定期更换自动调温器以降低计划外停车和冷却系统发生故障的机率。

清洁冷却系统之后,应安装新的自动调温器。 在冷却系统完全排空或将冷却系统冷却液排放到其液位低于自动调温器壳体时安装自动调温器。


注意

不按计划定期更换发动机的节温器可能严重损坏发动机。


注: 如果只是安装一个新的自动调温器,则只需将冷却系统冷却液排放到其液位低于自动调温器壳体即可。



    图 1g01459869

  1. 拆下自动调温器上的所有软管。

  2. 拆下自动调温器壳体组件上的螺栓。

  3. 拆下垫片、自动调温器和密封件。


    注意

    如果用过的节温器符合测试技术规格并且没有损坏,则可以将其安装使用。 请勿使用有过多积垢或沉淀物的节温器。



    注意

    由于卡特彼勒发动机采用了分流式设计的冷却系统,所以要求必须有节温器才可以运转发动机。

    如果不用节温器,由于负载不同可能导致过热或过冷。



    注意

    如果节温器安装不正确,则会造成发动机过热。


  4. 在自动调温器壳体中安装新的密封件。 安装新自动调温器和新垫片。

  5. 安装软管。

  6. 加注长效冷却液,直到目测表中能见到冷却液液位。

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