作者：小福粑粑

回收站8块买了南威无刷手电钻，上次买的那个无刷10块钱，回来发现主控板坏了，换一个18元不划算。

这次8元拿下，反正也不知好坏，买不到吃亏买不到上当。成色还是那么伊拉克。

看牌子南威，估计也是共模贴牌，和我的另外两把一模一样。外面灰很厚啊。

前面转头锈死，wd40喷点等待10分钟，就可以转动了。

底部是大艺的接口。

拆开了，这灰尘，工地上正常。

看里面混杂着石灰粉和木粉。

里面到处都是。

盖子上面也都是。

真的挺像刚出土的。

准备清理了。

一代里面不打算用清洗剂，用牙刷简单刷一下。

外壳还是要用水清洗。洗完白白净净，就是有些包浆洗不掉。

开始维修开关，拿回来插电试机，能转，不能连续转就已经知道就是大概率开关接触不良。

打开发现触角黑且凹陷。wd40喷一喷。清理干净氧化物，装回。

开始清理行星齿轮。油都已经干了。我也不打算全部清理，毕竟这不是我主力使用的。

二级行星齿轮。

买的黄油用了这么多了，10块钱60g。

给轴承也打一点油，里面干了。

试了一下，不错，都正常。

放一个对比图。

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