I just got a new-to-me used Bostitch finish nailer. I turned the depth knob too far, apparently, because the nailer stopped firing and I cannot move the adjustment knob. Even prying with a screwdriver does nothing. I have been holding down the safety catch that blocks the knob from turning.
Is disassembly the best option to free the knob? Or should I use brute force like a vise grip or channel lock plier?
An additional question about the same nailer. It occasionally fires short, leaving a nail head sticking out of the workpiece by 1/16" or so. The next nail or few drive well. I also hear a slight air leak out the exhaust cap whenever air is connected. Very slight. I understand any steady air leak should be fixed. I took the cylinder and piston apart for cleaning. Nothing looked wrong except grease and grit outside the cylinder. After cleaning and oiling it still leaks air.
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