Their manual is free to non-commercial customers.
Try www.championaerospacepubs.com to help yourself. If still lost try [email protected] for Joe Logi who is the best there is in the support world and is totally hot on slick mags.
Order an e-gap tool from ACS, this essentially sets the gap. Then check it with a feeler gauge. The E gap tool essentially sets the field to pass the magnet at the optimum time to achieve the highest voltage output.