Planetary attachment unit

before I take this apart, if someone is already familiar with Hobart repairs please contact me. Thank you
My old 20 qt. Toledo Scale is gtting louder while mixing and now overheats and shuts down during the first batch of bread dough. I think it is in the gearbox. Does it just need greas? Where do repairs on this sort of equipment get done. I am not finding any repairservices online.