Looking for tutorial on fixing slipping chrno seconds a7750

[polaris]

I remember seeing a tutorial on fixing the chrono seconds hands (gluing the cog and shaft that the seconds sit on, i think*) but don't seem to be able to find it.

If you know where the guide is could you point it out to me?
Please excuse the nub search skills

Thanks

 

[polaris]

Think I am just confused about the situation, in between the tutorials on fixing the minute counter and the tutorial on a slipping chrono. For some reason was thinking the chrono seconds is slipping on the post attached to the gear, rather than the post the actual hands sit on.