JPG wrote:Have you discovered the pointy set screw that positions the bearing within the eccentric?
Not yet. The bearing should just move with the eccentric, correct? My hammer taps on the screwdriver to loosen the ecc hopefully didn't damage it. Once loosened, it rotated with my climber's tendon strength.
JPG wrote:The speed control parts(idler shaft/idler sheave/control sheave/quadrant gear can indeed prevent insertion of the eccentric fully into the headstock bore. I cannot emphasize enough to again recommend tearing the idler shaft and speed control completely down, lubricating etc. They are the most important parts that insure correct operation.
So the reassembly process here would be to install the eccentric, tension the belt, tighten everything, then install the speed control I would assume. Can't the SC arm just be moved out of the way? What about that shaft rotating on the speed control arm - moly grease there?
JPG wrote:I think you are quite capable of succeeding in that and will not regret it later. I am suspicious when I see 'butchering' evidence. I understand your wanting to get it running ASAP, but I think prudence at this point is a good thing.
My preference is things running in perfect order by my wrench. This will give me time to plan the project better. The squealing banshee in my garage just sounds terrible! I like fresh bearings, and I've cut my teeth on some tens of crusty bike restorations. I would also like to see the speed control dial axis straightened; methinks this causes part of the rotation issue.
JPG wrote:As for the quill bearings, you have not posted any pix that reveal you have removed the quill. I would not be concerned re which version the quill is at this point. I also question the advantage of the two bearing quill for 'typical' operations. It is only when runout becomes critical that it matters.
While there, it would be my preference to reduce the tolerance error to 1/5th what it was. The problem is I still don't know what model I have per the textured gray paint being 85+ modern, but SN being 1981 (2 diff articles). I'll know by 5am when the wine bottle is empty.
Thanks JPG for continuing to assist me on my journey. You are the Patton of KZ Riders forum, a foundation for the creative and productive.
EDIT: Time to build a parts list for a single order (ideal but unlikely;-).
Any minor things that make a major difference? I've seen a few upgrade posts about splined connectors, etc.
Planer sharpening jig! America! Blank yeah!
Conical sander and papers
Bearing kits **** Is there upper, mid, lower? If rebuilding, I don't want to do this again. Until morning pictures...