Swapping the spider out is a 5 minute job - at the press , pull the retaining clip off with a small screwdriver / end of a scribe - slide gear and washer off - replace gear , use same washer , replace clip use bigger screwdriver to ensure it clicks into place - done - you may have to get you pawls set up again
CocoB thought it through , I absolutely agree that shallac would be a better application as shallac is not a permanent as JB weld and you could separate that shallac joint by pulling on it - I used JB, If I have to remove it , I would have to cut the tube flush and flip the head over and just run a mill into it, however on saying that I have never needed to in the last 2.5 years that its been there