Cooling System Water Temperature Regulator - Replace
定期更换水温调节器,以降低非计划停车误工及冷却系统出故障的机率。
在冷却系统清洗完毕之后,再更换水温调节器。 彻底排空冷却系统后,更换水温调节器。 将冷却系统冷却液排放至低于水温调节器壳体的液位后,更换水温调节器。
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注意 |
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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。 |
注: 如果只是要更换水温调节器,将冷却系统冷却液排放至低于水温调节器壳体的液位。
- 打开发动机室。
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图 1 g06006698 Show/hide table在工作温度下,发动机冷却液是热的,并且带有压力。
蒸汽还会引起人身伤害。
只有在发动机已关闭且加注口盖冷却到可徒手触摸后,才能检查冷却液液位。
缓慢卸下加注口盖,释放其中压力。
冷却系统添加剂含碱。 应避免皮肤和眼睛与其接触,以防造成人身伤害。
- 拆下冷却系统压力盖,以便释放冷却系统压力。
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图 2 g06009122 水温调节器的位置 Show/hide table图 3 g03827873 - 松开软管卡箍 (3),从水温调节器壳体 (1) 上拆下软管 (4)。
- 卸下水温调节器壳体 (1) 的螺栓 (2),然后卸下水温调节器壳体 (1)。
- 从水温调节器壳体上拆下密封垫和水温调节器。 记下旧调节器的方位。
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注意 如果水温调节器在测试的技术规格内,没有损坏、没有过量的沉积物,水温调节器可以再用。
Show/hide table注意 由于卡特彼勒发动机采用了分流式设计的冷却系统,所以要求必须有水温调节器才可以运转发动机。
否则由于负载不同可能导致过热或过冷的情况。
Show/hide table注意 水温调节器 如果安装不正确,则会造成发动机过热。
- 安装新的水温调节器。 使水温调节器与旧调节器处于同样的方位。 安装新密封垫。 安装水温调节器壳体。
- 安装水温调节器壳体和软管。 拧紧软管卡箍。
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图 4 g06006725 - 向冷却系统加注冷却液。 使分路水箱上冷却液的液位保持在最低线与最高线之间。
- 检查冷却系统压力盖和垫片有无损坏。 如果压力盖或垫片损坏,更换压力盖。
- 安装冷却系统压力盖。
- 关闭发动机室。
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