Pocket watch problems!

[bosstaki]

Hi guys, I've been working on this pocket watch for a week now & I can't seam to get it running properly! I've striped & cleaned the movement & cleaned & oiled the main spring! The watch will run for 3/4 hour then it just stops! Any ideas guy! Cheers

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[Cad101]

Are all jewel holes spotless is there any bent pivots is the main spring original does it need a new one is the hairspring catching. 

[bosstaki]

Thanks for the reply mate! It's spotless inside mate! I just can't see anything wrong with it inside mate?


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[vinn3]

it has been posted here,  an interesting test. "  let the main spring down,  remove balance and pallet fork,  wind a couple turns."   check for a smooth running  gear train.  "observe and see".  vinn

[bosstaki]

Do you know who the star with the s inside mark is? Marked near where it says 15 jewels?
The movement is marked H Wilkinsons of Coventry underneath the dial!


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[clockboy]

It could be many things. Have you a timegrapher.  It could simply be just a mile out of beat. 

[szbalogh]

Also give my vote on a bad train. I would do the quick and easy test as vinn3 suggested.

S in a star

H. Williamson Ltd.Coventry, England; Büren/Aar, Schweiz

[bosstaki]

Hi clockboy! I've no way of timing mate! When it stops I've got to shake the case to make it start again, then it will run! It's been running fine since I started this chat?


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[szbalogh]

Zooming on the last picture it seems that the barrel arbor has a worn hole in the main plate.

[clockboy]

It is difficult to properly analyse a fault or even getting a watch regulated without a devise to measure. Normally if a watch runs for a while before stopping somewhere is tight so it will only run on a full wind.


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[bosstaki]

The only thing I can say about it is that it feels abit stiff when winding the watch up?


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[bosstaki]

Another thing I've just noticed lads is that the watch stop instantly when I lay on its back so I can see the time? When I turn it back over & I give it a slight shake it starts back up again?


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[vinn3]

when i have that problem,  i put a note on it and start on the next watch. "  it happens in the best of familys"  vinn

 

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[oldhippy]

Is the mainspring binding in the barrel, take a look at the barrel cap to see if its marked. Pallet stones are firm and not loose. Impulse pin tight and not loose and clean not chipped, pallet fork smooth, no rough edges, balance staff good in every way, end shake right. No bad teeth in the train, no bad teeth on the barrel, barrel arbor smooth no rough edges, no wear in the barrel or the bridge or bottom plate. I see the center wheel is not jeweled, what are the pivots like? The escape wheel is brass any wear on the teeth, any rough edges. I take it all the pinions are good no sign of wear, pivots all good no wear. Have you tried running the movement out of the case. If all of this has been checked with no problems then I think the fault lies with the balance and escapement.      

[vinn3]

"checking for problems";    it takes time (experience)  to notice (identify) a problem.  so - keep up the good work. cheers

[BillA]

Hi Bosstaki...I would follow oldhippy's advice..stops every 45 minutes?..It could be in the mainspring barrel ( worn arbor holes-wobbling & hitting bridge)..I would take the balance and pallet out and check the gear train by winding the mainspring just a few clicks to get the gear train moving and firstly, observe the escape wheel. One of the pivots could be bent and pinion and wheel binds. Does it stop abruptly or slow down and maybe backspin a little. Secondly, look at the other wheels do they wobble.  Have you replace the mainspring? It could be severely set. Is it the mainspring the wrong width size binding inside the barrel (no clearance)?  Good luck Bill

[oldhippy]

One other thing you could do which I forgot to mention. Take the hands off, remove the dial,hour and minute wheel and see if it still stops. If it goes replace one part at a time that way you will find the problem.

[bosstaki]

Thanks for the tips guys! I'm working on it! Cheers


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