910K and 914K Compact Wheel Loaders Engine Supplement Caterpillar


Pressure Sensor (Mass Air Flow) - Remove and Install

Usage:

910K AY4

拆卸步骤

  1. 请参阅操作和保养手册, "散热器的倾斜"。


    图 1g03098499


    注意

    质量空气流量传感器的方位对于发动机性能至关重要。 质量空气流量传感器定位错误可能会导致产生故障代码。


  2. 标记质量空气流量压力传感器组件的位置,以便安装。 断开线束组件 (1)。 拆下夹子 (2)。 松开卡箍 (3)。


    图 2g03098529

  3. 断开软管 (4)。 拆下质量空气流量传感器组件 (5)。


    图 3g03098530

  4. 卸下螺钉 (6)。 拆下质量空气流量压力传感器 (7)。

安装步骤



    图 4g03098530

  1. 安装质量空气流量压力传感器 (7)。 安装螺钉 (6)。 拧紧螺钉 (6) 至扭矩为 1.47 ± 0.03 N·m (13.0 ± 0.27 lb in)


    图 5g03098529


    图 6g03070082


    注意

    质量空气流量传感器的方位对于发动机性能至关重要。 质量空气流量传感器定位错误可能会导致产生故障代码。


  2. 安装质量空气流量传感器组件 (5)。 确保质量空气流量传感器组件 (5) 定位在与水平方向成 50° 的位置。 参考拆解和组装, "压力传感器(质量空气流量)的拆卸和安装"。 连接软管 (4)。


    图 7g03098499

  3. 拧紧卡箍 (3)。 安装夹子 (2)。 连接线束组件 (1)。

  4. 请参阅操作和保养手册, "散热器的倾斜"。

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