Fault Finding / Fault Diagnosis
Discuss fault finding. Post here for advise diagnosing any watch movement issues.
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By nevenbekriev · Posted
Nop, the eccentric You need is where the red arrow points. Hopefully it will move. -
By RichardHarris123 · Posted
Hello and welcome from Leeds, England. -
I'm fixing up another Landeron 48 - this will be my 4th one of these so I'm getting the hang of these a bit. I got it as a non-runner (pallet fork pivot broken, barrel tooth broken) and replaced those so that it runs ok.  Reassembling the chronograph I've hit a snag. The watch stops when the chrono is engaged. I think the teeth are too deep. I think the eccentric to adjust that is on the hammer, circled in the picture. It won't move. Any suggestions? -
Success, and failure. Balance is back together. I need to adjust the position though as the roller jewel is way of. More than that though, rookie mistake. I set the hair spring between the pins, forgetting that to rotating pin is oval. So when I close it up the hair spring is in contact with the outer regulator pin. I assume that's bad. At rest, without the outer pin rotated closed, it sits like this. Edit... I've been reading and I now understand how the gap should be between the spring and the pins. I'll have another attempt at this. Oh, and the pivots look like this. It's not a banana, it's just because of multiple lenses and trying to get a high mag photo Slightly wonky jewel  But, the free oscillation test, 180 degrees, USSR makes that 53 seconds   Turns out I didn't need to take it apart. A tiny tweek got the hairspring between the pins when closed. It doesn't touch and doesn't touch for the operation range of the regulator. Free oscillation test gives me 56 seconds. I'm calling that good. Pallet fork flops about happily. I read different reports on if I should oil the fork pivots or not. Unless told otherwise, I'll leave them dry.  -
Welcome the the forum. Are you talking about the part of the stem that fits to the crown? Photos would help. Â Â
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