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Message Board > Sergers, Coverstitch and Blindhemmers > Viking S21 serger ( Moderated by CarolynGM, Deepika)

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Viking S21 serger
Skipped Stitches on Coverstitch
woodwardl
woodwardl
Member since 12/7/12
Posts: 12
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Date: 2/1/13 8:58 PM

I recently bought a Viking S21 serger. I started having skipped stitches when I do coverstitch, only on needle E. I mostly sew on stretchy fabrics. I did some research on the internet, where most people say it's problems with the needle. I changed the needle and it worked for a while but started again. I tried to change the needle a few times but has not improved.

Any suggestions or ideas are greatly appreciated.

Karen31
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Karen31
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Date: 2/4/13 12:56 PM

I don't have this model but have had this problem in the past. A couple easy but very important things eliminated the problem -- make sure you are using the needles specified. There is a difference when it comes to coverstitching! And, not sure on this model, but on mine all I had to do was use every one of the three needle thread guides available just above the needle (even though the manual didn't specify to) and the problem was eliminated. Hope that helps!

------
Karen

woodwardl
woodwardl
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In reply to Karen31 <<


Date: 2/4/13 1:41 PM

Karen, thank you for the reply. I tried that too and that didn't work either. It seems the tension for the needle I'm having problems with is too loose, I tried to move the tension disc all the way up and that didn't help either. I definitely think there is a problem with the tension on needle E, and I'm planning on taking it back to the dealer tomorrow.

Thank you.

Karen31
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Karen31
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Date: 2/4/13 3:12 PM

When you say moved it up I'm presuming you mean increased the tension, yes?
Disclaimer, I do work pt for my dealer, but sometimes when I have issues with my own machinery and get frustrated I have to step back and think "what would I do/say if a customer called or came in with this problem?" because it doesn't immediately come to mind when sitting in front of my own project! This happened yesterday and I recalled it was same last time I serged (it had been awhile). One of my looper tensions was just not in tension. I never have problems with it but had been. There was no tension on it. I rethreaded making it a point to hold the thread taut in two hands and very deliberately push it into the tension mechanism to be sure it was well seated. Too lose. Then I remembered something I've told people to do on their sm's - loosen the tension all the way and take a crisp dollar bill and pull it through the tension disks - don't go back and forth, just continue in one direction to try and pull out little bits of lint or thread that can be caught up in there. A really small bit can really interfere big with your tension! That worked! It's still time for a more thorough cleaning but that absolutely made a difference in the tension for that looper. One more thing to try before making a trip to the dealer!

------
Karen

woodwardl
woodwardl
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Posts: 12
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In reply to Karen31 <<


Date: 2/4/13 3:45 PM

Hi Karen,

Thanks again for the reply. I tried putting a crisp dollar bill through the tension disc as you suggested and it didn't work. I then again tried to thread through a different colored thread (on my machine instead of the green as the guide suggests I threaded through the red) and tried sewing again and it still had skipped stitches. When I tried to pull the thread right above needle E it felt a little looser than the thread for needle C. I would say there is about half an inch of extra thread and that could be the problem. What do the dealers do with tension problems like this normally? The lady who sold me the machine is not in today so I'll have to see her tomorrow and it's like 30 some miles away, yikes!

Loren

Mrs.Moos
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Mrs.Moos  Friend of PR
Intermediate
CA USA
Member since 11/5/02
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Date: 2/11/13 0:34 AM

Sorry if this offends anyone but in my world Viking=
Go get a Juki-I have the 654 and a Janome CPX1000-I love them.

------
Brother ULT 2002D, Janome 6500P, Babylock Eclipse SX, Juki MO654DE, Janome Coverpro 1000CPX, Singer 15-91

redfishingirl
redfishingirl
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FL USA
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In reply to woodwardl <<
thumbsup 1 member likes this.


Date: 11/29/13 8:20 PM

I know this is an old message, but hopefully this will solve the problem for someone else. You need to use a stretch needle when working with swimwear. This solves MOST swimwear sewing issues.

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