> On 18 March 2018 at 03:55 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.
Only if you want to introduce a much larger number of embedded particles. -- 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.
