776D, 777D and 777D HAA Off-Highway Trucks Machine Systems Caterpillar


Pump Drive - Remove

Usage:

776D AFS

拆卸步骤

表 1
所需工具 
工具  零件号  零件说明  数量 
138-7575  连杆支架 

开始:

  1. 拆下齿轮泵(举升)。 请参阅拆解和组装, "齿轮泵(举升)- 拆卸"。

  2. 拆下活塞泵(转向)。 请参阅拆解和组装, "活塞泵(转向)- 拆卸"。

  3. 拆下齿轮泵(变速箱注油和回油)。 请参阅动力传动系拆解和组装, "齿轮泵(变速箱注油和回油)- 拆卸"。


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。


注: 将盖和塞安装在全部孔口上,以免污垢或碎屑进入系统。 清洁度是一项重要的因素。 拆卸步骤开始之前,应彻底清洁部件外部。 这将防止脏污进入内部机构。



    图 1g00650471

  1. 拆下固定护罩 (1) 的三个螺栓 (2) 和硬垫圈。 卸下挡板 (1)。

  2. 在所有软管组件上贴标签,以便于组装。 将适当的容器放到泵驱动装置 (4) 下方盛装机油,以便存放或弃置。 从泵驱动装置 (4) 上断开软管组件 (3) 和软管组件 (5)。


    图 2g00650472

  3. 将软管组件 (6) 从泵驱动装置 (4) 上断开。


    图 3g00650479

  4. 拆下将泵驱动轴 (7) 固定在泵驱动装置 (4) 上的四个螺栓 (8) 和垫圈。

  5. 将工具 (A) 固定到泵驱动装置 (4) 上,如图所示。 将适当的吊索固定到工具 (A) 上。 将吊索固定到适当的举倾机构上。


    图 4g00650480

  6. 拆下将泵驱动装置 (4) 固定到机架组件上的四个螺栓 (9) 和硬垫圈。 从机器上拆下泵驱动装置 (4)。 泵驱动装置的重量为 68 kg (150 lb)

Caterpillar Information System:

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