balance stem pin stuck in jewel - Lecoultre 8 day clock movement

[cduke]

Hello,

I have a LeCoultre 229 clock movement and wanted to replace the balance shaft as the existing one was not working.  When I removed the balance shaft and went to install the new one, I noticed that a piece of the old stem was still in the bottom pivot jewel.  The back side of the bottom jewel has another jewel (cup) that is set with a screw so it can swivel and reveal the pivot jewel below.  Does this make sense?  It has been hard to get a good photo of this.  Is there a good way to remove the broken pivot in the jewel without damaging the assembly.  It seems like I should be able to push the pivot out of the jewel but it appears as though the hole on the pivot jewel does not go through.  Any ideas?

Thank you

[rduckwor]

Remove the screw and end cap and try (GENTLY) to push the stem piece out of the jewel with a fine oiler, sharpened pegwood, or maybe a sewing needle.  Gently or you could push the jewel out of its setting.  You need to peg that jewel hole anyway and then clean and oil the end cap.

Good Luck,

RMD

[nickelsilver]

Yes, and be sure to push it from the cap jewel side. The pivots are trumpet shaped and the other side is likely larger in diameter, which could crack the jewel if forced.