G3500 Generator Sets Caterpillar


Coolant Temperature Regulator - Replace

Usage:

G3520E GZE



图 1g01848875

在调节器发生故障之前,更换冷却液温度调节器 (1) 。 更换冷却液温度调节器是推荐的预防性维护措施。 更换冷却液温度调节器可降低计划外停机的概率。

冷却液温度调节器在部分开启位置发生故障时,会导致发动机过热或过冷。

冷却液温度调节器在关闭位置发生故障时,会导致严重过热。 发动机严重过热会引起气缸盖开裂或活塞卡缸故障。

冷却液温度调节器在开启位置发生故障时,会导致部分负载操作时发动机工作温度过低。 发动机部分负荷时工作温度过低会造成气缸内过分积碳, 从而加速活塞环和缸套的磨损。 此外,低温也会使湿气凝结到机油中。 低温可能形成有害酸。


注意

不能定期有计划地更换水温调节器会引起发动机严重损坏。

切勿在没有安装温度调节器的情况下运行发动机。

如果水温调节器安装不正确,发动机可能过热,造成气缸盖损坏。 确保新的水温调节器安装在原来的位置。


关于更换冷却液温度调节器的步骤,参见维修手册, "拆解和装配"模块。 咨询您的 Cat 代理商以获得帮助。

注: 如果只是更换冷却液温度调节器,将冷却系统中的冷却液排放至液位低于调节器壳体即可。

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