I won’t go beyond an alcohol wipe. The ball is a precision surface. It still works. It’s just not perfectly fluid as it once was,
Paul > On Mar 17, 2018, at 11:55 PM, David Mann <dmann...@gmail.com> wrote: > >> On Mar 17, 2018, at 11:06 PM, mike wilson <m.9.wil...@ntlworld.com> wrote: >> >> Sometimes, a piece of grit may become trapped between the ball and clamping >> piece of plastic, distorting the plastic. The resulting "pip" will always >> cause drag. Judicious scraping with an extremely sharp implement (I've used >> a suitably shaped piece of broken glass) will relieve the lump. A light >> dusting with PTFE spray can work as a substitute for scraping if there are >> multiple instances of the issue. Buying a new pad would be the ideal >> answer. Good luck with that. > > Sounds like a bit of fine sandpaper would do the job. > > Cheers, > Dave > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
