307D Excavator Engine Supplement Caterpillar


Refrigerant Compressor - Remove and Install

Usage:

307D DSG

拆卸步骤

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

接触制冷剂会使人受伤。

接触制冷剂会造成冻伤。 让手、脸避开,有助于防止受伤。

制冷管路被打开时,即使压力计显示系统中已经没有制冷剂,也要始终戴着护目镜。

拆卸管件时,务必小心谨慎。 慢慢地拧松接头。 如果系统内仍有压力,就要把它缓慢地释放到一个通风良好的地方去。

通过燃着的香烟吸入制冷剂会使人受伤或死亡。

通过燃着的香烟或其他抽烟方法吸入空调制冷气体,或者,吸入空调制冷气体接触明火而形成的烟雾,都会造成对人体的伤害 或死亡。

维修空调时,或者,在任何可能存在制冷气体的地方都不要抽烟。

采用经过认可的回收和循环利用车妥善地从空调器中取出制冷剂。





    图 1g01622066

  1. 打开发动机罩 (1) 。

  1. 收回空调系统中的空调制冷剂。 有关步骤请参阅维修手册, SENR5664, "使用 R-134a 制冷剂的空调和暖气系统"。 有关工具请参阅专门说明书, NEDG2500, "空调工具"。



    图 2g01622111

  1. 断开管组件 (2) 。



    图 3g01622112

  1. 拆下四个螺栓 (3) 和制冷剂压缩机 (4) 。

安装步骤




    图 4g01622112

  1. 安置制冷剂压缩机 (4) 并安装四个螺栓 (3) 。



    图 5g01622111

  1. 连接管组件 (2) 。

  1. 充注空调系统。 有关步骤请参阅维修手册, SENR5664, "使用 R-134a 制冷剂的空调和暖气系统"。 有关工具请参阅专门出版物, NEDG2500, "空调工具"。



    图 6g01622066

  1. 关闭发动机罩 (1) 。

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