To remove a cog from a threaded driver; 1. Remove the right cone and lift out the driver with the cog attached.
2. Place a piece of 5/16" or 1/4" bar stock or plate in a vice
3. Slip the driver splines onto the bar.
http://bikesmithdesign.com/
4. Remove the cog with a chain whip.
5. After re-installing the driver, cone, RH cone locking washer and locknut, always adjust bearing play with the left cone.
At 06:00 PM 2/9/2010, cmontgomery15@cox.net wrote:
> A few years ago a friend closed down his shop and gave me a
> few hubgears. One is a Hercules "B Type 5". Now mind you, the spoke
> holes show that it had been built up, but as I was playing around
> with the thing and took out the guts it appeared to be pristine:
> perfectly clean, dry, and with no wear patterns anywhere (didn't
> have my glasses on though). Decided I'd build it up as a "touring"
> wheel on a Sun CR 18 590 rim. The problem is that it is a screw-on
> cog. Does anyone know the trick for getting that cog off? Does it
> have to built up first? Or should I just stay away from the bugger
> and build up the '54 AW instead? If you know of any history of the
> animal I'd be interested also.
Mark Stonich;
BikeSmith Design & Fabrication
5349 Elliot Ave S. - Minneapolis. MN 55417
Ph. (612) 824-2372 http://bikesmithdesign.com
http://mnhpva.org