Strike jamming No Name Korean clock

[kologha]

I have serviced this clock and inserted 4 bushes in the strike train (as well as removing various bits of v-shaped brass soldered to the plates by previous repairman). It is running and striking well but every now and then after running from between 6 hours to 80 hours it stops because the strike stop pin gets jammed between the stop flag and the warning flag (not sure what their proper names are). I cannot get it to reproduce the fault and I must have turned it by hand through dozens of revolutions. The owner has had the clock for more than 40 years and says it suddenly started jamming about 8 years ago when they moved permanently to their retirement home at the coast. I filed a small chamfer on the warning flag to try and help the pin over but it hasnt helped and I do not know what to do now. Any help will be appreciated. Thank you.

 

[roughbarked]

Somehow it appears to be a tooth or two out of synch. You may be able to repair this by repositioning the three pin gathering pallet?

 

[wow]

This is quite common on these clocks. The levers are made of soft thin metal and easily bend. As Rough says, try turning the gathering pallet slightly allowing the pin to stop at a different position after the strike sequence is ended. If that does not do it you may need to bend the lever a tiny bit. Last resort is separating the plates and repositioning the the train.

 

[Willie X]

Also, on the inside of the plate, check the little triangular steel tab that rides on the lifting cam. This part is often twisted/bent. The bottom of the little triangular spring steel tab should be horizontal, parallel to minute hand shaft. Willie X

 

[kologha]

Thank you gentlemen, I will see what I can do...