773D, 773E, 775D and 775E Off-Highway Trucks Machine Systems Caterpillar


Piston Pump (Steering) - Install

Usage:

773D 7CS

安装步骤

  1. 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。

  2. 利用所密封的润滑剂轻轻润滑所有 O 形密封圈。


    图 1g00505172

  3. 将 O 形密封圈 (5) 安装在转向活塞泵 (2) 上。


    图 2g00505166

  4. 将适当的起吊设备绕在转向活塞泵 (2) 上。 转向活塞泵 (2) 的重量约为 42 kg (93 lb)。 安装花键连接器。 定位转向活塞泵 (2)。

  5. 将螺栓 (4) 安装至转向活塞泵 (2)。


    图 3g00505140

  6. 将软管组件 (3) 连接在转向活塞泵 (2) 上。


    图 4g00505135

  7. 将软管组件 (1) 连接在转向活塞泵 (2) 上。

  8. 重新加注液压油箱(转向)。 请参阅操作和保养手册, "转向系统油 – 更换"。

  9. 调整转向活塞泵的压力。 请参阅转向系统、测试和调整, "活塞泵(转向)压力 - 测试和调整"。

  10. 调整备用安全阀的压力。 请参阅转向系统、测试和调整, "安全阀(主转向备用)- 测试和调整"。

结束:

  1. 拆下车斗固定销。 请参阅拆解和组装, "挡圈和销钉(车斗)- 拆卸和安装"。

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