My U-Mods Unitank v2, I thought the only weakness it had was the filling mechanism, that it was easy to pull the chimney off the rba head.
Well I had another look at Mark Todd's video and I've changed my mind after learning more about the tank, it's now in my top three, pretty much perfect design & machine work. It costs €90, so it is certainly not cheap.
When I finally figured out how much force I had to use to separate the top filling and the chimney screw......this is how the parts should be used, and if you ask me, it's a perfect solution Greg made.
What I thought was one part was actually two:
here the chimney screw is in place, but not the filler cap, and, now we see that it is designed to do two things....
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Tightening of the RBA section:
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And done:
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