Another set screw--This time no super glue! On the mid element housing, you will see a brass ring with a single set screw. There is no reason to remove this element from the housing since you have access to both sides of the element to clean--However, I am through and wanted to inspect everything for more fungus and remove all dust and debris from the lens. I want it to last another 60 years!
Here is the counter bore hole for the set screw removed that allowed the housing to be removed. You will need to ensure all the holes realign on re assembly.
No idea why these holes are here...But whatever.