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
