Starter quartz for service?
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I contacted these guys in the UK and they can either supply a clip on mic to go with their software, or they’ll modify an existing microphone you send them, or they can supply a refurbished and modified microphone. -
The 268 mechanism cover has that gear that’s friction fit to a post and like a cannon pinion it can become loose, creating too much slack and allowing for improper meshing. Instead of the broken setting wheel I often see broken teeth on the gear underneath. This is from the last 3135 I serviced… …it’s really kind of a poorly designed part…and why is it all one part? 🧐 …and on this one I never found the missing tooth. Did the previous service provider just replace this broken part? -
I had it in a little jar in a double bath at 60ºC in a more or less super saturated solution - some crystals came back out of solution as it cooled. Heat was really the trick - When I started at room temperature I could see a bubble form on top of the old stem and just sit there but when heated there was a constant stream of bubbles -
Sorry to bring this one up again: You mention you got new springs, dare I ask where? I haven't been able to find any but those for the manual version. I cleaned and wound the mainsprings in my 2427 using a modified M6 washer and the crank from a winder, but they were a bit coned, have a bit of a kink in the spring where it meets the end of the bridle and the resultant amplitude is quite poor. 250, maybe a bit higher, on a full wind. Confirmed that this is how the yoke should look when taking apart a 2428 for parts. I saw a post that you've left the forum. I hope that's not the case. You've helped me more than once and it was very much appreciated. -
I spent a few hours with this 3135 Rolex yesterday, and as we can all see, the reason the date and time can't be set is obvious. Had I known this—I was expecting a dislocated yoke—I would have refrained from running it, as we have no idea where those broken-off teeth are located inside the movement. It could very well explain the funny timing machine readings. Hopefully, the damage is limited to the first (there are two) setting wheel, but we shall see as the disassembly continues. It's a good sign that the sliding pinion teeth seem to be intact. It also raises the question of how something like this can happen. Perhaps too little or the wrong type of grease in the cannon pinion, and when it became difficult to set the time, the crown was turned with force and too quickly. That reminds me of another movement (years ago) where the cannon pinion was way too tight, and I still tried to set time, which broke off the teeth on the minute wheel. However, it was a scrap Vostok, so no real harm done.
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