3176C and 3196 Industrial Engines Caterpillar


Speed/Timing Sensor - Remove and Install

Usage:

3196 1DW

拆卸步骤



    图 1g00518483

  1. 从夹子 (3) 上拆下螺栓 (1) 和垫圈。

  2. 断开转速/正时传感器接头 (2)。

  3. 拆下转速/正时传感器 (3) 。


    图 2g00518484

  4. 将 O 形密封圈 (5) 从转速/正时传感器 (4) 上拆下。

  5. 安装时延长滑动头 (6)。

安装步骤

  1. 检查 O 形密封圈的状况。 必要时,更换密封圈。


    注意

    编号 必须有 1 个活塞位于压缩冲程上止点或者排气冲程上止点。 安装传感器之后,必须再次标定电子正时。


    注: 请参阅故障诊断与排除, "发动机转速/正时传感器"的标定。



    图 3g00518484

  2. 安装 O 形密封圈 (5) 并延长滑动头 (6)。


    图 4g00518485

    注: 安装前,确保可经由前壳体内的转速/正时传感器开口看到齿轮齿顶部。 请参阅图 4。



    图 5g00518483

  3. 安装转速/正时传感器 (4)。 将传感器上紧到 40 ± 5 N·m (30 ± 4 lb ft) 的扭矩。

  4. 连接转速/正时传感器接头 (2)。

  5. 用螺栓 (1) 和垫圈安装夹子 (3) 。

  6. 重新标定正时。

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