657G Wheel Tractor-Scraper Caterpillar


Cooling System Pressure Cap - Clean/Replace

Usage:

657G A4G

------ 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。

冷却系统添加剂的冷却系统含有碱性。 避免它与皮肤和眼睛接触。




图 1g01279048
牵引车的冷却系统压力盖

牵引车冷却系统压力盖位于散热器顶部,发动机罩的下面。



图 2g01279049
铲斗车的冷却系统压力盖

铲斗车冷却系统压力盖位于铲斗车发动机室的左后侧,散热器盖检视盖的下面。

  1. 清除冷却系统压力盖周围区域中的任何尘土或碎屑。 在可以拆下冷却系统压力盖前,必须完成此项工作。

  2. 缓慢拆下冷却系统压力盖,以释放系统压力。

  3. 检查冷却系统压力盖有无损坏、异物和沉积物。 如有必要,更换冷却系统压力盖。

  4. 检查压力盖垫片的状态。 如有必要,更换密封垫。

  5. 清洁冷却系统压力盖。 安装冷却系统压力盖。

Caterpillar Information System:

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