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From: <email address removed for privacy>
Date: 01-09-2007, 02:00 AM (1 of 5)
 My serger is an old Brother 934-D. I bought it new many years ago. I had it stored in a secure, dust proof place for about 5 years. (the plastic has even turned a creamy color.) I got it out to start my sewing again, it runs beautifully but it keeps breaking the looper thread. I have threaded it each time as stated in the manuel. ( It is a 4 thread.) I have cleaned all the tension plates. Everything is clean and oiled. I'm at my wits end on the thread breaking. I have been using a cone thread. I'm half afraid to take it to a repair shop, as I haven't had good success with these. Any body have any more suggestions?
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User: <email address removed for privacy>
Member since: Total posts: |
From: plrlegal
Date: 01-09-2007, 02:17 AM (2 of 5)
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My first thought is to check the tension for the lower looper then check to be sure your thread is in the tension desk and all of the thread paths are threaded for the lower looper and that you are threading the loopers in the correct order (upper looper, lower looper, then needle(s). If I skip even the most minor thread path on my 4 thread Juki, I have to unthread and rethread from the beginning in the exact order shown on the thread path diagram. Patsy Patsy
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User: plrlegal
Member since: 05-19-2001 Total posts: 318 |
From: PaulineG
Date: 01-09-2007, 07:06 AM (3 of 5)
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I have absolutely no idea about sergers but I did wonder if the thread in the machine is the original thread (from more than 5 years ago) and if so - does thread have a limited shelf life (somebody else should answer this bit)?
Pauline
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User: PaulineG
Member since: 09-08-2006 Total posts: 901 |
From: DorothyL
Date: 01-09-2007, 08:12 AM (4 of 5)
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I had a similar problem once and it was just the machine was pushed against the wall and the thread wasn't pulling smoothly from the cone. Drove me crazy til I figured it out. Just a thought. Dorothy |
User: DorothyL
Member since: 12-09-2002 Total posts: 3883 |
From: Kylnne2
Date: 01-10-2007, 01:06 AM (5 of 5)
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Are you being sure to thread your needles last. If a looper thread breaks, after you rethread the looper, remove the needle threads from the race and clear them or cut and rethread the eyes. If this is not done, you will probably break more threads. I suggest to yep, just rethread the entire little beast again, in the order in which it is suggested by your brand..which is usually the upper looper first, then lower looper then needles. Be sure your threads are not hung up anywhere on the looper thread that is breaking, and be sure the thread is secure in the tensions. When threading through tensions it is best to set the tensions at 0 then reset them when done. I suggest also to be sure that your antenna is fully extended. (it really does make a difference). You might want to take that looper tension down a notch to see if that helps. Also, I would make sure your needles are inserted correctly, that they are all the way up into the bar and not turned. Since you are starting from scratch you might want to put in some new needles and maybe change the cone of thread on that looper to another cone or even switch the cones around might help decide if it is a thread problem. I hope this helps. Good luck. |
User: Kylnne2
Member since: 07-10-2004 Total posts: 629 |
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