There is only 1 small snap ring. But you need to remove the pulley and the grub screws in the head that hold the head to the shaft. A generous spay of WD-40 is helpful. Here is the diagram. you will need Abobe reader as it is a PDF file. It is a copy of the original documentation that came with your jointer brand new. vintagemachinery.org/pubs/222/596.pdf
How did you end up getting the cutter head off the shaft? Is there another snap ring in there?
There is only 1 small snap ring. But you need to remove the pulley and the grub screws in the head that hold the head to the shaft. A generous spay of WD-40 is helpful.
Here is the diagram. you will need Abobe reader as it is a PDF file. It is a copy of the original documentation that came with your jointer brand new.
vintagemachinery.org/pubs/222/596.pdf