作者：煮鸡蛋

 一、博世手电钻更换电机

19年买的这只博世GSB120LI一直很顺手，好多小活儿自己顺手就干了，在装修中帮我省了不少钱，前一阵发现用坏了，转的时候电机噗噗冒火，在网上搜了搜，也不是大问题，只是碳刷磨没了，更换新的碳刷，或者换新的电机就可以了，搜索到站内有好几篇文章讲解怎么更换，教程很详细，有很强的参考性。

碳刷长这样

成本最低的办法就是直接更换碳刷，几块钱解决问题，就是电机开盖需要花一点功夫。

考虑到我最近干啥啥不顺，我选了较低难度的，直接更换整个电机。
因为这个齿轮是13齿的，我还没有拉马，齿轮不好取下来，拉马需要二十多块钱，单个齿轮还十多块钱一个，我就放弃了买万宝至8520的念头，其实动手能力强的朋友应该买万宝至，型号是万宝至RS-550VC-8520，够力，质量据说比原厂不差。

万宝至RS-550VC-8520

原装的齿轮是13齿

因为我懒，我就买了带包装原装的电机，带13齿的齿轮，到手直接装就好了。

到货看着外型和原装的差不多，手电钻螺丝都在外面，直接拧就能打开，分离两个塑料壳的时候，注意拿镊子把壳子中间的金属卡子拔下来就好。

拆开很方便

毛刷清理一下里面的渣渣，电烙铁多上点焊锡，就没啥问题了。装回的时候记得抹一些润滑油在齿轮上，买昆仑的就可以。

满血复活了。

二、东成手电钻更换全新外壳

觉得没啥挑战性，不如把手头的东成手电钻再翻新一下。 

这个手电钻还有个小故事，两三年前装家具的工人落在我这一个东成手电钻，型号是DCJZ10-10，联系他让他来取，他说不要了，说公司有的是，然后就归我了。

为了能用上，我还买了个充电器，然后看到原配的工具箱不贵，我就也买了一个，哈哈哈。

太脏了，每次用都感觉很膈应。

所以这次我又花了二十元，买了全新的外壳。

外壳还是新款的，带防伪标，不过博世的外壳才十几块，这个二十一块有点贵。

虽然是新款外壳，不过内部是一样的。

用毛刷，简单清理一下，吹吹，按原位置塞进去。

达到女生一手自用的成色了，哈哈哈。

新款外壳比老款防尘好一些。

装起来继续吃灰了。手贱搜了一下全新的裸机，才一百出头，我这是图个啥。

想起马志明先生的相声《看不惯》，说剩碗底醋买四斤河螃蟹吃的就是我了。

三、龙韵手电钻清灰

梅开三度，我又把龙韵的手电钻拆开清了清灰，博世坏了这段时间就是靠它干活的，这个里面的电机也是550的。

这么拆开一看，十几块的龙韵，还真是挺良心的，还没有东成一个外壳贵。

这一感动，又花了十几块钱，给他配了个博世原厂的工具箱，放进去还挺合适，嘿嘿。

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