3. Use a roll pin punch. It has a small projection on its face that will keep the punch centered on the roll pin as the pin is tapped in. 4. Once everything is aligned, make the first tap a smart one.

All it takes is a set of roll pin punches designed to fit in an air hammer. If you DON’T have an air hammer, this is a time when it would pay to invest in one--along with a set of roll pin ...