I am trying to replace the three bellows for the transom to stern drive have new parts but am stuck trying to take apart bell housing to gimbal pins. the book says use tool #------ found tool #------ it's wrong tool !!! my hinge pins are held in with a large long nail than maybe they will unscrew with proper tool , how do i remove the nails? heads sticking out to short to grab,cant push out from behind,cant get there.help !