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Cathy, do you have one I could buy? I don't trust trying to buy one from anyone else in case it is advertised wrong! Looking at Sew Classic - it appears the 306w uses the open bobbin cases and the 306k the closed bobbin cases? Makes no sense to me.
Last edited by BoJangles; 05-22-2012 at 04:51 PM.
you may still have a problem, putting in the correct needle will not retime it and correct the needle bar height if it was previously "adjusted"
Nancy per the Vintage Singer Group The 306K and the 306W do not always use the same bobbin case. The 306W use
bobbin case # 105032 -- the open front one.
The 306K and the 319 use #173058, the closed front bobbin case. Though, some machines can interchange...Singer started switching out the hook assemblies of the models some time during manufacturing. Did you get a 306K or W?
Will these bobbins fit other Singer machines in addition to my FW and 301 machines?
Amazing Grace, how sweet the sound, that saved a wretch like me. I once was lost but now am found, was blind, but now I see. [John Newton (1725-1807)]