please help asap (alternator removal)

[blue thunder]

sorry for the short notice. can anyone who has removed an svx alternator tell me how to remove the unit from the pulley and belt. i can't see any more bolts to remove. the unit swivels right now on the right bracket that it sits in and thats all. do i need to remove any of the bolts for the pulleys to get the belt loose enough. i haven't messed with the main nut and bolt that runs through the middle. any guidance would be appreciated.