What is the best way to clean and polish them up for safe and proper use?
Question posted courtesy of: Jesus
The brushes may need to be replaced if you turn any of them on and smell burn other than that appearance means nothing sandpaper or wd40 with rag will clean them up.
For this purpose but havlent seen it in years nor proper use should be affectedit is cosmetic problem as mentioned wd will do well also there is cosmetic problem as mentioned wd will do well also there is cosmetic problem.
First you should wipe without rust and dust, then soak it with some used engine oil, rub it with some rag, then it will be okey. very simple it will be.
For heavier stuff wire wheel for better finish dont know about best way but this works after cleanup coat the tools pastewax rather than.