It's the old light seals. Clean them off, clean out the groves, install new ones. Regards, Bob S.
On Mon, Nov 3, 2008 at 4:59 PM, keith_w <[EMAIL PROTECTED]> wrote: > I took the back off my lovely MX, to find out when it was assembled (Oct. > "80) and noticed a lot of black deposits on the light-seal ridges of the > back, top and bottom. > > Tbinking that was deteriorated foam seal stuff, I got out the denatured > (isopropyl) alcohol and a bunch of swabs. > > Well, it dissolves whatever-it-is well, but it keeps coming off, like tar! > > I'm not down to the base metal of the back, but thought I'd stop and ask > what mild solvent is recommended. > This stuff acted like acetone or MEK! I checked the label three times, to be > sure! > > The rest of the body is really perfect, but on the back there's some black > stuff coming off, like I was dissolving paint! > > What say ye? > > keith whaley > > -- > PDML Pentax-Discuss Mail List > [email protected] > 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 [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
