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Found 3 results

  1. Can anyone tell me how to remove a 3rd wheel friction pinion without a roller remover? Thanks
  2. I successfully managed to snap off the pinion on the escape wheel of the Favre Leuba Cal 253 movement I’m working on. I thought the pinion was in the jewel hole on the wheel bridge but it wasn’t and when I screwed down the bridge and bent/snapped the pinion off. Before I tightened the bridge mounting screws I looked to see if the pinions from the 3 wheels were visible in the jewel holes (used a 45x loop). I guess I didn’t see the escape wheel pinion—maybe the light reflected and it looked as if it were in the jewel hole. My questions is in pushing the escape wheel down when I broke the pinion could I have moved the plate jewel lower into the plate? The reason I ask is that when I take the wheel bridge off the lower gear on the escape wheel is too low to engage the center wheel. Without these two gears meshing there is no power transmitted from the main springs to the escape wheel. I made a “not-to-scale” drawing to illustrate the problem. Could the plate jewel be too far into it’s hole thus lowering the height of the escape wheel?
  3. I just serviced a 2804-2 which had the problem that when I wound the watch every once in awhile it "slipped". After some advice from a watchmaker it seemed it was a problem with the winding pinion (clutch) and the sliding pinion - their teeth were worn. So I changed them with a set from a 2842 (from a swatch auto). Under the 15x loupe they seemed identical. Also, it solved the problem, there is no more slippage. I presented the above because I want to ask your opinion for the problem that I have now: When I wind the watch the crown turns quite hard IMO. It happens in both directions (both when winding the mainspring and when turning the crown back - when the sliding pinion slips over the breguet teeth on the winding pinion). The problem is also present with the crown wheel off (the one that engages the ratchet wheel). I put silicone grease on the case tube - it didn't help. Do you think the crown is the problem - namely the rubber gasket in the crown - maybe it got old and hardened? Or do you think it's the pinions that I replaced? Thank you, Bogdan
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