Then I found out the base was loose (not sure how, its been sat in the garage for the best part of a year) I fitted the lock ring last year when I first built it.
I've not been great about re-tightening it, and I can turn the boiler using the lever pretty easily. But it's not a leak-risk so I tend not to bother. Not helped by the process of tightening the boiler flange being a pain. If I had a proper little workshop I'd absolutely make one of those little grouphead mounts for a vice and use that. But alas that's not the case.
I think that's the legendary Bruce Pappas! Have watched a few of his videos.
I have an electric impact hammer tool thingy but it's on its last legs, and it flings the oil filter wrench so fast it occasionally slips off, so breaker bar it is!!
This has been a constantly occurring thing for me, can only assume it's the boiler spacer/gasket (https://espressocare.com/products/boiler-spacer-europiccola), that's compressed over time and therefore loosened a bit.
I've not been great about re-tightening it, and I can turn the boiler using the lever pretty easily. But it's not a leak-risk so I tend not to bother. Not helped by the process of tightening the boiler flange being a pain. If I had a proper little workshop I'd absolutely make one of those little grouphead mounts for a vice and use that. But alas that's not the case.
Though this sort of thing seems like overkill: https://www.youtube.com/watch?v=oKu0qmFurrA