Recently bought used, needs (hopefully minor) adjustments/repairs done to it. Need repair and/or maintenance manual for it, or a source for one. Only ID found for it is "Toro 1600 HMR" Couldn't locate any other serial or ID number (don't you just HATE that???) I'd LOVE to keep it, (only one I've found with a cut that size that fits into the spaces it does) but...