I've posted the method I use many, many times. Tried to find it for you so I wouldn't have to type it out once more, but the search function isn't working... AGAIN! Maybe SOMEDAY the forum will get a search function that actually works.[>:]

Anyway, here's the way I do it. There are some ways of doing this that are pretty involved. I've tried them all and settled on this one. Down and dirty.

1) Start off setting your tiller to where it measures equal distance from the limb to the string at each end of the riser. For a single cam bow, you have to stretch a string over the axles and measure to that, rather than to the bowstring.

2) Set your nock point.

3) Assume your normal shooting stance. Hold your bow out and put a sight pin on a point on the wall, target, etc. Any aiming point works fine. Begin to draw the bow straight back. (This is also an excellent test to determine if you are over-bowed.)

4) Watch the sight pin. It will probably pull off the target either up or down.

5) If the pin pulls up, you must take a turn off the top limb bolt, add a turn to the bottom limb bolt, or both. If it pulls down, take a turn off the bottom limb bolt, add a turn to the top one, or both. Keep adjusting in smaller increments until the pin doesn't try to move up or down as you draw.

6) Done. Now continue with your normal tuning procedure.