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Forum > Sergers, Coverstitch and Blindhemmers > What is wrong with my serger? ( Moderated by CarolynGM, Deepika)

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What is wrong with my serger?
Please help me troubleshoot
Deepika
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Deepika  Friend of PR
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Date: 3/3/12 9:57 PM



This is the underside. See the loops? Something is messed up. I've changed the needles, fabrics, adjusted looper and needle tensions but nothing seems to work. Any ideas?

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- Deepika
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simplystitches
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Date: 3/3/12 10:14 PM

Your needle thread is loose and/or the lower looper is too tight. This is the process I use to balance the threads.

First make sure your needle thread is properly seated in the tension disk. Start off tightening the needle thread 1/2 a number. I like to grab a biggish scrap and serge at least 6-8" to give the tension time to take hold. Keep changing it 1/2 a number til it close to right. At that point you may have to play with lowering the lower looper the same way, by 1/2 a number.
You may get to a point 1/4 a number works.

These suggestions were made on the assumption that that's the back side. If it's the top side adjust the upper looper if needed.

Debbie

Pamela R
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Pamela R  Friend of PR
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In reply to Deepika


Date: 3/3/12 10:35 PM

It looks like your needle thread is not in the tension disks, or there is something inbetween the tension disks so that they cannot hold the thread.
Try loosening the tension off all the way and then clean between them.
I often thread a piece of dental floss with a knot in it, around between the disks and pull it back and forth to try and get whatever it is out.
Usually the problem in a wadd of thread or a knot.

Hope this helps.

PattiAnnJ
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Date: 3/3/12 11:00 PM

When the serger acts up it is time to re-thread.

Make sure the thread antenna is at it's highest position.

Set the tensions to zero and raise the presser foot.

Begin the threading according to the manual - always in the sequence instructed.

Set the tensions back to mid range, lower the presser foot and stitch a chain. If it is as it should be, then your threading has been successful.

Always test the stitching and settings with scraps of the project fabric before you begin construction of the project.





-- Edited on 3/3/12 11:03 PM --

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"Improvise, adapt and overcome." - Clint Eastwood/Heartbreak Ridge

a7yrstitch
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In reply to Deepika


Date: 3/3/12 11:09 PM

Adding future search term.

sergerstitchingthread

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I have no idea what Apple thought I was saying so be a Peach and credit anything bizarre to auto correct.

Sew4Fun
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In reply to Deepika


Date: 3/4/12 1:30 AM

Definitely a problem with the tension on the needle thread. It's so loose I'd guess the thread isn't seated properly in the tension disc, so there is no tension at all. Unthread the needle thread completely, make sure your presser foot is lifted and start again rehtreading the needle, taking special care when passing the thread through the tension disc. Also check there is no loose thread caught in the tension disc. HTH

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Belinda. Melbourne, Australia
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Deepika
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Date: 3/4/12 8:34 AM

Thanks I'll try this today and report back.

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- Deepika
Founder, PatternReview.com
Blog: http://www.deepikablogs.com

stirwatersblue
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Date: 3/4/12 12:35 PM

I haven't been serging long, but I think I've had every single one of the mentioned things happen! LOL

My most common is probably forgetting to raise the antenna, although this week I had a Really Weird & Silly Thing go wrong--my right needle tension was way too tight, tho' it was at the right setting, and I couldn't figure out why... until the thread broke. Turns out the thread (I was using an older spool of normal sewing thread) had gotten caught in the little slit on the edge of the spool that keeps the thread from unraveling! Flipping the spool over so that slit was at the bottom solved that little glitch.

Obviously that is not your problem, but my point is that starting from scratch can clear up a whole host of problems whose sources aren't easily identifiable. (On my machine, I've also run into trouble when I haven't gotten the needles seated *just exactly right,* so that is something I would need to check out if rethreading didn't help.)

Good luck!

Good luck!

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~Gem in the prairie

threaddy
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Date: 3/4/12 12:45 PM

Whenever I have a serger stitch problem I go to the different colored threads and then I can really see which thread is doing what. red, green, yellow and blue are the colors I use. It does look like something is goofy with your needle tension.
-- Edited on 3/4/12 12:48 PM --

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"The problem is not that there are problems. The problem is expecting otherwise and thinking that having problems is a problem." Theodore Rubin
"Life isn't about finding yourself. Life's about creating yourself." George Bernard Shaw
Dan 9:24-27

Bernina vintage and computerized, Bernina and BL sergers , BLcoverstitch (a stray Pfaff and Viking followed me home too)

Deepika
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Date: 3/4/12 12:52 PM

It worked! Now I can sew.

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- Deepika
Founder, PatternReview.com
Blog: http://www.deepikablogs.com

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