990K Wheel Loader Caterpillar


Cooling System Coolant Extender (ELC) - Add

Usage:

990K A9P

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

热的冷却液、蒸汽和碱会造成人身伤害。

在工作温度下,发动机冷却液是热的而且处在压力下。 散热器和所有到加热器的管路或发动机中都有热的冷却液或蒸汽。 与它们的任何接触都会造成严重烫伤。

只有当发动机停机且冷却系统压力盖已经冷却到可以徒手触摸时,再慢慢拆下冷却系统压力盖以释放压力。

不要试图在冷却液还热的时候去拧紧软管接头,软管会脱落而造成灼伤。

警告:冷却系统的冷却液添加剂含碱。 应避免它与皮肤和眼睛接触。



注意

在检查、保养、测试、调整及维修产品时,请小心确保盛接油液。 在打开任何舱室或拆卸任何含有油液的部件前,请准备好盛接液体用的适当容器。


向冷却系统添加冷却液时,应使用 Caterpillar 长效冷却液(ELC)。 请参阅专门出版物, SEBU6250, "Caterpillar 机器推荐的液体"中有关冷却系统的全部要求。 使用 Caterpillar 长效冷却液 (ELC) 时,必须向冷却系统添加长效剂。

使用冷却液防锈剂测试包来检查冷却液的浓度。

  1. 将机器停放在平地上。

  2. 发动机停机,使发动机冷却下来。

    注: 进行维修前,必须从系统上去除压力。 请参阅本操作和保养手册, "系统压力释放"。



    图 1g03353907
    (1) 检修门
    (2) 冷却系统压力盖
    (3) 冷却液液位目测表

  3. 打开位于发动机室顶部发动机空气滤清器之间的检修门 (1)。 缓慢拆下冷却系统压力盖 (2)。

    注: 请参考操作和保养手册, "一般危险事项"中关于盛装溢出液体的信息。

  4. 可能需要从散热器排出一些冷却液,以便向冷却系统中加注 Cat 延长剂。

    参考: 有关从冷却系统排放冷却液的信息,请参阅操作和保养手册, "冷却系统冷却液 (ELC) - 更换"。

    注: 一定要根据当地法规弃置排放的液体。

  5. 向冷却系统添加 Caterpillar 长效冷却液(ELC)。 参阅下述各节确定 Caterpillar 延长剂的适宜用量:

    • 专门出版物 , SEBU6250 , "Caterpillar 机器推荐用的液体"

    • 操作和保养手册, "加注容量"

  6. 观察冷却系统目测表 (3),并保持正确的冷却液液位。 参考操作和保养手册, "冷却系统冷却液液位 - 检查"。

  7. 安装冷却系统压力盖,并关闭发动机室顶部的检修门。

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