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Auto thread cutter on machine problem

Auto thread cutter on machine problem

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Old 02-21-2010, 10:45 AM
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When I use the auto thread cutter on my Brother, after a few times it unthreads the needle. So frustrating. I have asked Brother dealers and none seem to know why it happens. I have it threaded right. I was threading it wrong for a while and thought that was the problem. Now it's unthreading again. Anyone have that problem when using an auto thread cutter?
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Old 02-21-2010, 11:44 AM
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you aren't alone. :lol:

my best guess is that it happens because it cuts the thread so close, it sometimes pops out of the needle when the thread relaxes.
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Old 02-22-2010, 10:50 AM
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What kind of thread are you using? Polyester threads tend to stretch and that could be the cause.
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Old 02-22-2010, 12:03 PM
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Originally Posted by PatriceJ
you aren't alone. :lol:

my best guess is that it happens because it cuts the thread so close, it sometimes pops out of the needle when the thread relaxes.
because of this, I don't use the thread cutter.
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Old 02-22-2010, 12:35 PM
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I wondered about this... on my machine if I move the wheel slightly forward,it takes a litte tension off of the thread, so when I manually cut the thread it does not "suck back in" and occasionally come out of the needle... I wonder if the same thing would work for the auto cutting machines?
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Old 02-22-2010, 12:40 PM
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I do not have a thread cutter. Guess they are not all they are cracked up to be.
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Old 02-22-2010, 02:53 PM
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It's great to have but I'm going to stop using it because of the unthreading problem. The several dealers I talked to, two at Paducah quilt show, looked at me like I was crazy when I said it unthreads my machine because NO ONE has ever said that has happened before to their knowledge. Yeah right.
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Old 02-23-2010, 11:27 AM
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If I make sure that the needle is at the highest position before I push the cut button it doesn't seem to happen as often.
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Old 02-23-2010, 11:35 AM
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My manual says the needle has to be in the lowest position before using the thread cutter. In fact when I push the auto cut the auto needle down feature is engaged before it will cut. I can't use it with the needle in the high position.
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Old 02-23-2010, 11:45 AM
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I used to work in a sewing factory, and once in awhile we would have the same trouble on the Mitsubishis. Most of the time we just had to make a minor adjustment.

I don't know if your machine is like mine, but mine has 2 tension knobs. the main one that you use to fix your top tension, and a smaller one before that. Turn the smaller one looser one whole turn. try your cutter for a bit, if that doesn't work, turn a little looser again. Keep your eye on your tension though. Shouldn't cause a problem with just a 2 or 3 turns of the smaller knob.

Here is a pic of my machine with the smaller knob circled. remember "Lefty Loosey Righty Tighty" :)
Attached Thumbnails attachment-17993.jpe  
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