Restoring a vintage mechanical hammer drill by my mechanics. 26:34 video.
https://www.youtube.com/watch?v=zTyZgOkWs4o
Previously:
https://www.homemadetools.net/forum/...864#post156397
https://www.homemadetools.net/forum/...396#post166127
https://www.homemadetools.net/forum/...885#post144494
https://www.homemadetools.net/forum/...906#post140565
