G3612 and G3616 Engines Caterpillar


Water Pump Seal - Install

Usage:

G3612 BB2

安装步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
8T-3034  水泵密封起子 
169-5464  快速固化底漆 


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损並縮短部件使用寿命。



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。


  1. 使用钢丝绒清除轴上的沉积物和腐蚀。


    注意

    不要使用会在泵轴上留下明显划痕的砂纸。


  2. 检查接触碳精密封橡胶的轴区域。. 仅在该区域中存在以下状况之一时,更换轴:穴蚀、腐蚀和划痕。 上述状况可以为橡胶和泵轴之间的冷却液泄漏提供通道。 如果在该区域轴发亮,这一现象表明碳精密封总成在轴上打转。 在安装新的密封组件前,使用细砂纸打磨抛光区域。

  3. 使用工具 (C)清洁轴和壳体的密封沉孔。


    图 1g01206688


    注意

    只允许使用干净的水作为辅助安装的润滑剂。 不要损坏或将手置于碳环或陶瓷环的磨损表面。 在环最光滑面朝向碳密封组件的情况下,安装陶瓷环。


  4. 将干净的水涂抹在密封总成 (10)内的陶瓷密封件部分,该密封总成由 O 形密封圈盖住。

  5. 将密封总成 (10)中的碳密封件浸入水中。 将密封总成 (10)中的碳密封件安装到轴上。 使用工具 (B) 和手力将密封总成 (10) 内的碳密封件推到轴上,直至碳密封件的表面与陶瓷密封表面接触。

  6. 将密封总成 (10)中的弹簧置于轴上。

  7. 将叶轮 (7)置于轴上,并安装垫圈 (6)和螺栓 (5)。

  8. 将螺栓 (5) 拧紧至扭矩为 360 ± 50 N·m (270 ± 37 lb ft)。 用锤敲击螺栓头,并再次拧紧螺栓。 重复这一步骤,直至螺栓扭矩没有变化。

  9. 在定位销上安装一个新的 O 形密封圈 (8)。 将肥皂液涂抹在 O 形密封圈上。

    注: 将壳体安装到水泵上时确保壳体 (4)指向正确。

  10. 将壳体 (4)和螺栓 (9)安装到水泵上。


    图 2g03891807

  11. 安装弯头 (3)。

  12. 安装适配器 (1)。 将适配器 (1) 连接到管和水泵 (2) 上。

  13. 向冷却系统加注冷却液。 请参阅操作和保养手册, "冷却系统冷却液 - 更换"。

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