安装474发动机正时皮带,先将发动机正时皮带的上方挂在2个凸轮轴上面,将发动机正时皮带的下方挂在曲轴上面,具体的操作步骤如下:
1、先将发动机正时皮带的上方挂在2个凸轮轴上面。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6f061d950a7b02081eeaa79d72d9f2d3572cc8af?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、将发动机正时皮带的下方挂在曲轴上面。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d833c895d143ad4bfe0cdebc92025aafa40f06af?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、找到2个凸轮轴上面的正时圆点,将2个圆点相对。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/730e0cf3d7ca7bcb8f585f53ae096b63f624a8af?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、将1号凸轮轴的最高点朝着箱体外壳这一边。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0df431adcbef7609fc2801e33edda3cc7cd99eaf?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、将2号凸轮轴的最高点朝着进气管这一边。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9d82d158ccbf6c816d14b494ac3eb13533fa40af?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、挂上涨紧器的弹簧就操作完毕了。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6159252dd42a2834a284ae774bb5c9ea15cebfa8?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/37d3d539b6003af3576d34fd272ac65c1138b65c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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