Noob here. I am wondering how to know the OPM settings from machine to machine. Is a 4 = 4800 or does the dial need to be closer to 5? I purchased a used PC7336 from a neighbor and couldn't find any online help. The HarborFrieght DA I purchased didn't have any either but when I used the same dial setting I think I heated up the compound and specks flew everywhere.
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