On Tuesday, June 6, 2017 at 6:54:52 AM UTC-4, Tango Eight wrote:
http://www.tost.de/PDF/Arbeitskatalog_engl.pdf
Page 19.
Welded rings are long obsolete (or possibly counterfeit).
The right rings to use are easily identified.
It's pretty important to be using the right rings.
best,
Evan / T8
The manual also says that the standard dimensions should be checked and they are available from the factory. Does anyone in ras-land have them?