[amayausers.com] Re: Frequent thread shredding

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Bird nesting is getting a tangled mass of thread underneath the material-almost 
like a spider cocoon. So that's not your problem.
Needles-if they are in correctly (and everyone of us has put them in backwards 
at least once-why can't they be made with a colored dot on the front? LOL...if 
you've changed them, and double checked for a 'bent' tip, and that's not the 
problem-here's what happened to us.
Frequent fraying, constantly-changed thread, bobbin, everything like you did. 
Nothing worked. Tech came up and checked it over-pulled the rotary hook out and 
showed me a nick on that itself from when a needle went sideways or something. 
You could feel the nick on it with your finger and see it. Enough to catch and 
fray thread as it went by!
He said it was time to replace it-$$ ca-ching....but I was a silversmith for 25 
years and took a chance-still have my equipment. Fired up the polishing 
equipment, flexible pumice wheels, etc. and literally put a mirror finish on 
that part after using 0000 jewelers paper to smooth it off. Since he didn't 
have the replacement on him and we would have had to wait, it was worth a shot. 
Half an hour later-he put it back in-and it's been 2 years and it still runs 
fine. I do NOT recommend this to someone to try on their own-I've even 
sharpened needles but only because I had to see if I could. I've got 25 years 
experience in polishing metals for jewelry and the right equipment. Had the 
nick been worse, maybe it wouldn't have worked. But this will give you 
something else to look at for the cause of your problem! Without taking it off 
the machine-you could not see the nick. But it was there doing it's dirty work!
Roland

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