Our Agie-Puls sparker packed up a while ago, can't find anyone to look at it, our wiring diagrams are for a similar machine

It's not worth a lot in cash terms, but priceless when confronted with a broken tap or the need to put an awkward shape into a hard component.
I don't suppose that anyone has any expertise in the field? We think that the downfeed stepper motor has shorted and is blowing the fuses that control that whole circuit, including cooling fans (the only tell-tale we can identify)
