I think I found the calibration screw after all, it was under a sticker. Not going to mess with it just yet though.
Allan On Tue, Sep 14, 2021, at 1:08 PM, dan penoff.com via Mercedes wrote: > I would agree with the others, don’t attempt any sort of adjustment. I say > that because the few times I’ve tried tinkering with these I usually ended up > making things worse. It’s an antique timepiece, it’s not going to come > remotely close to meeting accurate time standards. > > -D > > > On Sep 14, 2021, at 1:04 PM, Allan Streib via Mercedes > > <mercedes@okiebenz.com> wrote: > > > > Lost about 20 minutes in the past 16 hours. I reset it to correct time > > again will keep monitoring it. > > > > I had read there's a calibration screw on (some?) of these but I don't see > > one, at least not one that's externally accessible. > > > > Allan > > > > On Mon, Sep 13, 2021, at 8:51 PM, Peter Frederick via Mercedes wrote: > >> Unless you have experience with clockworks, I'd leave it alone. They are > >> very well sealed and don't seem to collect dust and dirt, and if it's > >> keeping time the lubricants are good. > >> > >> It's a simple clock, wound as described with a fairly soft spring, so low > >> loading. > >> > >> If you do want to lubricate it, you really need to dis-assemble, clean all > >> the pivots and jewels (and I think it's a jeweled movement, at least the > >> fast running parts), then assemble and lubricate with VERY small amounts > >> of synthetic clock oil applied with a clock oiler. That is, a small wire > >> with the end flattened into a tiny spoon that delivers the correct amount > >> of oil. You only need enough oil to fill the space between the pivot and > >> the hole, and just barely the shoulder behind the pivot (the pin like bit > >> that goes in the hole). > >> > >> Do NOT add oil to an old clock, even a sealed one without complete > >> cleaning. Any dust or grit around the pivot will get carried into the > >> hole by the new oil, and it will start grinding. New oil usually won't > >> thin out gummy old oil either. > >> > >> I'd assume it was lubricated with high quality synthetic clock oil in the > >> first place -- Elgin developed them in the 30s. > >> _______________________________________ > >> http://www.okiebenz.com > >> > >> To search list archives http://www.okiebenz.com/archive/ > >> > >> To Unsubscribe or change delivery options go to: > >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > >> > >> > > _______________________________________ > > http://www.okiebenz.com > > > > To search list archives http://www.okiebenz.com/archive/ > > > > To Unsubscribe or change delivery options go to: > > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
