301.5,301.6,301.7,301.8,302 Mini Hydraulic Excavator Machine Systems Caterpillar


Cab Heater - Remove and Install

Usage:

301.8 H8X

拆卸步骤

开始:

  1. 升起驾驶室

  1. 回收制冷剂。 有关回收和加注步骤的信息,请参阅维修手册, SENR5664, "适用于所有 Caterpillar 机器的所有空调和暖风用 R134a 产品"。 请参阅专门出版物, NENG2500, "空调工具"以了解正确的工具信息。


    图 1g06337746

  2. 拆下螺栓 (1) 和板。 将软管组件 (2) 和 (3) 从驾驶室底部拆下。

    断开软管组件 (4)。

    降下驾驶室组件。



    图 2g06337766

  3. 拆下所有螺钉 (5) 和盖组件。


    图 3g06337775


    图 4g06337780

  4. 断开线束组件 (6)。

    拆下壳体组件 (7)。



    图 5g06337785


    图 6g06337791

  5. 拆下螺钉 (8) 和盖 (9)。

  6. 拆下支架 (11) 和加热器芯组件 (10)。


    图 7g06337813


    图 8g06337838

  7. 卸下壳体 (12)。 重新定位探针 (13)。 拆下蒸发器芯组件 (14)。

    拆下膨胀阀 (15)。



    图 9g06337841


    图 10g06337845

  8. 拆下侧盖 (16)。 拆下鼓风机 (17)。

安装步骤

  1. 按与拆卸相反的顺序安装驾驶室加热器。

  2. 充注制冷剂。 有关回收和加注步骤的信息,请参阅维修手册, SENR5664, "适用于所有 Caterpillar 机器的所有空调和暖风用 R134a 产品"。 请参阅专门出版物, NENG2500, "空调工具"以了解正确的工具信息。

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