Old Model Cordless Hammer Drill Restoration | Makita 8411D

Cordless Hammer Drill Restoration Video
After I saw it, I started to wonder if it was strong enough for a concrete drill because it looked so unlikely. It doesn't work because it is corroded, so my job is just to clean, change the new bearings and put grease in a gearbox.
I hope you find this video useful and enjoy!
I use the battery that I build with my previous video
https://youtu.be/BR8E5ax9lMc?t=364
I am happy to receive feedback, suggestions to improve myself.
!!! I'm sorry for the mistake if I did this video !!!
*** I still keep some parts, I want to help the world environment ***
Thank you very much for your likes, comments and subscribe!
Have a nice day
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