One of the things I an having a problem with is the part that slides into the frame. the point at which that tube is welded to the frame has a decreased inside diameter.
This is most likely due to shrinkage after welding. The part only slides in as far as the welded area. Any recommendations?
Posted 8/25/2015 6:10 AM (#85968 - in reply to #85879) Subject: Re: note to Jay at DMC
Location: Now D-Bäk else San Isidro de Heredia, Costa Rica
Hello Jim. when you work with welded parts, shrinking on spots is normal. In general the diameter is not that much affected. Sometimes it is less then the paint thickness.
I would use some Prussian blue or easier to get hand on is some permanent marker. Spread/mark the internal part stick it in as far as you get wiggle and twist so the external part will get marked. Look with a bright flash light and work only on those marked spots or with a triangle scraper, or with a die grinder or Honer (flexhone or brake cylinder hone). Or if all the sticking is not too much, then simply get some FINE valve grinding compound, ...(I love Clover brand) and after some body exercise the parts should slide fine.
By the way you can use the course valve grinding paste as anti-slipping compound too. Once you clamp parts they should be locked better then on pure paint.
Good luck with your project.
Yesterday I took off my Ural sidecar for the first time... assembled dry as usual. Wiggle gaps all over the bike. It was time to do something before damage would show up.