AS 1904 Second wheel friction pinion?

[DoingTime]

Hello, here is a first for me, i have been a watch hobbyist for over 2 years now.  Well today I went to service a Caraville with a AS 1904 movement, got everything cleaned and oil, have a great amplitude and beat error,  Well here is the issue, the second hand ticking like a heard of cattle grazing the pasture, but the minute hand is not moving, I can move the minute/hour hands via the crown. Disassemble and found that the second wheel has a friction pinion on it, so I am assuming its a friction fitted pinion. This is the first I have seen of this design.  I do not know how to tighten the pinion on the shaft or remove it.  Can anyone please give ma a little insight on this AS 1904 movement and let me know if I am correct about the friction fitted pinion to turn the motion works so i can tell time.

[Nucejoe]

If you don't have a canon pinion remover tool, you can use a hand remover.

I made me a clipper for the tightening task, dulled the blade so it wouldn't cut into the canon pinion and a screw- nut on it that does a micrometer action so I can tighten in small increment to avoid overtightening. 

I know  !!   a picture of this contraption I made helps, I see if I can post one.

 

 

[Nucejoe]

Here is one member canthus made, 

https://www.watchrepairtalk.com/tags/cannon pinion/

 

[watchweasol]

Hi Joe is on the mark first culprit is the canon pinion not driving and needing tightening. Attached are acouple of sttes apertaining to the AS 1904

AS 1904, 1914.pdf AS 1904, 1906, 1866, 1886, 1885, 1896, 1895.pdf

[Nucejoe]

13 hours ago, DoingTime said:

  I do not know how to tighten the pinion on the shaft or remove it. 

I remove this OFFSET canon pinion to do the tightening. then clean, rinse and put a dab of GREASE on the arbour and refit. 

[DoingTime]

Thanks Nucejoe and watchweasol for the reply, as soon as i get it apart again, i will photograph the second wheel with the additional pinion attached to it.