324D, 325D, 326D and 329D Excavators and 329D MHPU Mobile Hydraulic Power Unit Machine Systems Caterpillar


Counterbalance Valve (Travel) - Install

Usage:

325D L A3R

安装步骤


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: 检查 O 形密封圈、垫片和密封件有无磨损或损坏。 如有必要,请更换部件。



    图 1g00901215

  1. 安装 O 形密封圈 (8) 和 (7)。


    图 2g01220056

  2. 将背压阀 (6) 安置在行驶马达上。 安装螺栓 (5)。 用 80 ± 8 N·m (59 ± 6 lb ft) 的扭矩拧紧螺栓 (5)。


    图 3g00901224

  3. 安装软管组件 (4)、 (3)、 (2) 和 (1)。

  4. 检查液压油油位。 有关正确的加注步骤,请参阅操作和保养手册, "液压系统油位 – 检查"。


    图 4g00651025

  5. 将行驶马达护罩 (2) 定位到机器上。

  6. 安装螺栓 (1)。 用 130 ± 10 N·m (96 ± 7 lb ft) 的扭矩拧紧螺栓 (1)。

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