311D LRR Excavator Machine Systems Caterpillar


Receiver Dryer (Refrigerant) - Remove and Install

Usage:

311D LRR CLA

拆卸步骤

    ------ WARNING! ------

    接触制冷剂会使人受伤。

    此系统永远处于加压状态,即便发动机没有工作也是如此。 切勿让已加注制冷剂的系统受热。

    接触制冷剂会造成冻伤。 让手、脸避开有助于防止受伤。

    制冷管路打开时,须始终佩带护目镜,即便压力计显示系统中已经没有制冷剂,也须佩带。

    取下接头时务必小心谨慎。 慢慢地拧松接头。 如果此系统仍然有压力,请抽空系统,回收制冷剂,然后再拆下接头。

    通过点燃的香烟吸入制冷剂会导致人身伤害或死亡。

    通过点燃的香烟或其他抽烟方法吸入空调制冷气体,或吸入燃烧空调制冷气体形成的烟雾,都会导致人身伤害或死亡。

    维修空调时,或在任何可能存在制冷气体的情况下都不要抽烟。

    请先将机器移至平坦的地方,然后再对空调和加热系统进行检查。 把所有机具降到地面。 确保变速箱处于空档或停车位置,确保停车制动器接合。 让所有其他人员远离机器。


  1. 回收空调系统中的空调制冷剂。 请参阅维修手册, SENR5664, "使用 R-134a 制冷剂的空调与暖风系统",了解相关正确步骤。 有关正确的工具,请参阅专门出版物, NEDG2500, "空调工具"。

  1. 打开发动机罩。



    图 1g01441433

  1. 打开机器左侧的检修门 (1) 。



    图 2g01442842

  1. 断开管组件 (2) 和 (3) 。

  1. 拆下卡箍 (4) 和 (6) 。 拆下制冷剂干燥和储液罐 (5) 。

安装步骤




    图 3g01442842

  1. 定位制冷剂干燥和储液罐 (5) 并安装卡箍 (4) 和 (6) 。

  1. 连接管组件 (2) 和 (3) 。



    图 4g01441433

  1. 关闭机器左侧的检修门 (1) 。

  1. 关闭发动机罩。
,,

End By: 加注空调系统。 请参阅 维修手册SENR5664"使用 R-134a 制冷剂的空调与暖风系统",了解相关正确步骤。 有关正确的工具,请参阅 专门出版物NEDG2500"空调工具"。

Caterpillar Information System:

307D Excavator Engine Oil and Filter - Change
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