That's certainly what the schematic implies, but now you're off into that strange Scott world where somebody snuck into the power transformer vendor and thought if some windings are good, then more are better! There's no rhyme or reason to it: some power transformers are dead on the money, while others like mine (and apparently yours) simply put out waaay too much juice -- but all show the correct part number. To my knowledge, Scott never addressed the issue, either -- by way of a bulletin or "fix", or whatever. It just was what it was. Anyway, your approach certainly works, so it sounds like you've got it on the run now!
Dave
Dave