When preparing an X-valve for anodizing, what steps need to be done? I'm trying to confirm that I've done everything up to a point.

1. Separate valve
2. Remove reg seat, pin and all visible o-rings
3. Remove reg nut and spring pack, piston
4. Remove on/off and all o-rings
5. Remove powertube front and thin powertube o-ring

This leaves me with what appears to be the front half of the valve, all aluminum, and the back half, all aluminum except the z-lock pin. And, there sits my problem. Anyone know how to painlessly remove the z-lock pin?