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


Pump Drive - Install

Usage:

776D AFS

安装步骤

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

注: 检查所有 O 形密封圈和部件有无磨损或损坏。 如有必要,请更换部件。 利用正要密封的润滑剂稍微润滑所有 O 形密封圈。 利用不起毛的抹布擦拭所有部件。



    图 1g00650479


    图 2g00650480

  1. 将工具 (A) 固定到泵驱动装置 (4) 上。 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。 将泵驱动装置 (4) 提升到机器上的适当位置,如图所示。 泵驱动装置的重量为 68 kg (150 lb)

  2. 安装将泵驱动装置 (4) 固定到机架组件上的两个螺栓 (9) 和硬垫圈。

  3. 将泵驱动轴 (7) 放置在泵驱动装置 (4) 上。 安装将泵驱动轴 (7) 固定在泵驱动装置 (4) 上的四个螺栓 (8) 和垫圈。 拧紧螺栓至扭矩为 55 ± 7 N·m (40 ± 5 lb ft)


    图 3g00650472

  4. 将软管组件 (6) 连接在泵驱动装置 (4) 上。


    图 4g00650471

  5. 将软管组件 (3) 和软管组件 (5) 连接到泵驱动装置 (4) 上。

  6. 将护罩 (1) 放置在泵驱动轴上。 安装固定护罩 (1) 的三个螺栓 (2) 和硬垫圈。

结束:

  1. 安装齿轮泵(变速箱注油和回油)。 请参阅动力传动系的拆解和组装, "齿轮泵(变速箱注油和回油)- 安装"。

  2. 安装活塞泵(转向)。 请参阅拆解和组装, "活塞泵(转向)- 安装"。

  3. 安装齿轮泵(举升)。 请参阅拆解和组装, "齿轮泵(举升)- 安装"。

Caterpillar Information System:

2000/06/19 Special Instructions, REHS0611-01 (SI1128-01), "Installation of Axle Cooling" is Available {1365}
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