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Forum > Sewing Machines > Bobbin Tension on Bernina 830 ( Moderated by Sharon1952, EleanorSews)

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Bobbin Tension on Bernina 830
Sewing tension seems off
Sonoma33
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Sonoma33  Friend of PR
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Date: 2/2/12 1:15 AM

I'm wondering if I messed something up when I cleaned/oiled my machine. The bobbin tension is just too loose. It sews beautifully if I thread the bobbin for embroidery. I am scared to mess with the settings on the bobbin case, but don't want to have to take the machine to the dealer for this either. When I look at it, it looks to be set right--the dot is just offset like it should be for factory tension settings.

Anybody else experience this?

Susan

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Berninas 830LE ♥ Artista 630PQE ♥ 930 Record ♥ Juki TL2010Q ♥ Pfaffs Creative Performance ♥ Passport 2.0 ♥ Singers 221 ♥ 301 ♥ 500a ♥ Kenmore 1040 ♥ Elna 'Grasshopper' ♥ Tacsew T500 ♥ Babylock Evolution

Sonoma33
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Sonoma33  Friend of PR
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Date: 2/2/12 1:58 AM

Well, I think I found my problem. I don't think it was my cleaning, but changing to Presencia thread that caused it. I had presencia in both the bobbin and top, and when I went to take sample photos to post, I changed my bobbin thread to mettler polyester (was going for a pop of color to show the issue) and now my stitches look beautiful again. So, I guess I will have to change the bobbin tension to use precensia thread in the bobbin.

Anybody else use presencia thread? Do you use it in the bobbin too? Do you alter your bobbin case or just thread for embroidery?

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Berninas 830LE ♥ Artista 630PQE ♥ 930 Record ♥ Juki TL2010Q ♥ Pfaffs Creative Performance ♥ Passport 2.0 ♥ Singers 221 ♥ 301 ♥ 500a ♥ Kenmore 1040 ♥ Elna 'Grasshopper' ♥ Tacsew T500 ♥ Babylock Evolution

SouthernStitch
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SouthernStitch  Friend of PR
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Date: 2/2/12 9:00 AM

I don't have the 830, but have been told that all Bernina's tensions are set for the Mettler thread. I have not had tension problems with anything other than both my 730 and 350 not really liking thicker thread in the bobbin. So, I bought a new bobbin case to handle that.

I did have a problem initially with the 350's tensions even with Mettler thread. Then for some strange reason it seemed to resolve itself. Now I seem to be able to use both Mettler, Metrosene, Gutterman, and Coats, both in the bobbin and upper with no problems. Weird.
One good thing is that Berninas have either the pigtail or the hole in the top of the case so you can get a bit more tension that way for different threads.
I'm glad you figured it out.

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Bernina 780, and 530
Juki TL2010
Babylock Evolution
Singer 403a

When life gives you green velvet curtains, make a green velvet dress.

Maia B
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Maia B  Friend of PR
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Date: 2/2/12 9:24 AM

I know CJ uses 60 wt Presencia for piecing, maybe she can comment. On her recommendation, I bought a big cone of a neutral and LOVE it even more than Aurifil and Masterpiece, especially for thin batiks. So far on my 820, I've only had to adjust top tension or thread it as for embroidery to get the right balance. I really appreciate the jumbo bobbin and thread cutting feature, but the 8 series bobbin system is still mysterious and intimidating to me compared to the CB hook system on my other Berninas, which seems so straightforward and accessible.

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🌸 Plenty of machines, mostly Berninas 🌸

quantum leap
quantum leap
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Date: 2/2/12 9:24 AM

TO: SouthernStitch

I have a B330, and had some problems initially with stitch quality, too. I was only able to use Mettler, now I can use other threads, like Gutermann, and the stitching looks beautiful...Wonder what was up with that????

skae
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In reply to Sonoma33


Date: 2/2/12 9:34 AM

I would buy another bobbin so you can set the bobbin to that thread and leave the other one alone. I have several bobbins that i have set for differen't typs of threads.

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Ecclesiastes 11:7,8 Nothing on earth is more beautiful than the morning sun. Even if you live to a ripe old age, you should try to enjoy each day, because darkness will come and will last a long time. (CEV)

SouthernStitch
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In reply to quantum leap


Date: 2/2/12 9:40 AM

Yes, really strange! And, it's why I use that one the most actually. I want to make sure no more tension problems creep up while it's still under warranty.

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Bernina 780, and 530
Juki TL2010
Babylock Evolution
Singer 403a

When life gives you green velvet curtains, make a green velvet dress.

Maia B
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Maia B  Friend of PR
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Date: 2/2/12 10:15 AM

The 8 series has a unique bobbin system, no removeable bobbin case as on other Berninas, but the manual does explain how to adjust the bobbin tension. I just haven't been brave enough to try it yet.

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🌸 Plenty of machines, mostly Berninas 🌸

PattiAnnJ
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In reply to SouthernStitch


Date: 2/2/12 11:08 AM

Is it really the brand or the thread weight?

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

SewBusy63
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SewBusy63
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In reply to Maia B


Date: 2/2/12 12:22 PM

It is very easy to do! I was scared do do it first but the multipurpose tool fits right on the bobbin case and slowly move it to the right or left. Just remember to line up the dot on the bobbin case to the diagram on the door to return to normal tension.

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~Diana~

♥ Bernina 830E ♥ Bernina 1150MDA serger

✝The Lord is my Light and my Salvation: whom shall I fear? The Lord is the strength of my life; of whom shall I be afraid? Psalm 27:1✝

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