Omega 1012 friction spring

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I am working on an Omega 1012.
The friction spring for the seconds pinion did not look great so I bought a replacement from Gleave.
After installing the train, not the barrel or keyless yet, the action of the train, it’s stiff, very stiff, I literally have to force the centre wheel for the train to move.
It runs well without the friction spring.
I will have to bend the spring which I would not expect to do with a new spring.
I have seen a post explaining the ‘rule of thumb’ the third wheel…

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