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Thanks, Wiz. I studied up on my tension/needle theory yesterday until I thought my brain would explode! It really isn't that difficult a concept when you get right down to it, but to get it to actually happen in the material can sometimes (obviously) be a challenge!

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It worked! I adjusted the bobbin tension exactly one quarter of a turn ,verified it has a tiny bit more of a slight resistance, backed out the upper tension nut all the way then back in halfway, stitched a row, and it was just a tiny but still too tight on top, so I backed off one revolution on the top tension, and it is now perfect! Thanks for the help and encouragement!

Posted

I'm glad you got it figured out. Feel free to call me directly if you run into trouble with that machine!

Uwe (pronounced "OOH-vuh" )

Links: Videos 

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Posted
On 5/23/2016 at 5:20 PM, Wizcrafts said:

Wrong! The Juki LU machines use a double capacity type LU bobbin, which holds about 25% more thread than an M style bobbin.

Okay, I'm sure you are right. Just remember it was big!

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Posted
11 hours ago, suzelle said:

Okay, I'm sure you are right. Just remember it was big!

I have a machine that has been retrofitted with a Juki hook, using the large LU bobbins. I also had a machine that used M bobbins, some of which I kept. The M bobbins are smaller and hold less thread.

Posted IMHO, by Wiz

My current crop of sewing machines:

Cowboy CB4500, Singer 107w3, Singer 139w109, Singer 168G101, Singer 29k71, Singer 31-15, Singer 111w103, Singer 211G156, Adler 30-7 on power stand, Techsew 2700, Fortuna power skiver and a Pfaff 4 thread 2 needle serger.

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18 hours ago, Uwe said:

I'm glad you got it figured out. Feel free to call me directly if you run into trouble with that machine!

Thanks, Uwe! I did get it, and the stitches are beautiful, and I sewed for an hour straight and nothing broke and I was still smiling at the end of it! Such an unusual experience for me! I thought the machine would  be a bit daunting to adjust but your video made it so easy - thank you so much for that. I hope you realize how much you mean to people like me!

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Posted
On 5/24/2016 at 8:15 PM, Wizcrafts said:

I have a machine that has been retrofitted with a Juki hook, using the large LU bobbins. I also had a machine that used M bobbins, some of which I kept. The M bobbins are smaller and hold less thread.

Thanks Wiz! I get confused on size of the "M" bobbin vs. the one that is bigger. A friend of mine has so many machines, I sew in her shop sometimes, and help her pattern. She has lots of Juki machines mostly, and a couple Pfaff and Singers, but those don't get used as often as her Juki machines. She seems to have every size bobbin for whatever machine. I would love it if all the machines took the same size bobbin as I seem to spend a lot of time in my own shop sorting things out between bobbins and needles. I have a lot of machines myself. Argh!

I'd also like it if all my machines used the same type of needle. That would be a huge time and money saver, wouldn't it? 

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Posted
On 5/22/2016 at 5:37 PM, gottaknow said:

My Juki LU562 does have reverse and uses a "G" sized bobbins, same as the Singer 111's and 211's. Glad you got a good machine. My 562 gets a lot of binding work in a factory, and we don't sew slow. Uwe really sounds like a good egg. I'd love to have him kick around the factory with me some weekend. You too Wiz. 

Regards, Eric 

Eric,

I love to read your posts. I really follow what you say very closely. Thank you for the information you share.

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42 minutes ago, suzelle said:

Eric,

I love to read your posts. I really follow what you say very closely. Thank you for the information you share.

Thanks Suzelle! Nice to hear someone reads my rambling. I see you're in the Nortwest. If you're ever over by Spokane, the factory is in Post Falls, ID. Give me a heads up and I'll show you around. 

Regards, Eric 

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Posted
3 hours ago, suzelle said:

Thanks Wiz! I get confused on size of the "M" bobbin vs. the one that is bigger. A friend of mine has so many machines, I sew in her shop sometimes, and help her pattern. She has lots of Juki machines mostly, and a couple Pfaff and Singers, but those don't get used as often as her Juki machines. She seems to have every size bobbin for whatever machine. I would love it if all the machines took the same size bobbin as I seem to spend a lot of time in my own shop sorting things out between bobbins and needles. I have a lot of machines myself. Argh!

I'd also like it if all my machines used the same type of needle. That would be a huge time and money saver, wouldn't it? 

I placed an M bobbin on top of a Juki LU bobbin to see the difference. It amounts to about 2mm smaller diameter and just about 1mm thinner inside. The LU bobbin probably can hold about 20% more thread.

Posted IMHO, by Wiz

My current crop of sewing machines:

Cowboy CB4500, Singer 107w3, Singer 139w109, Singer 168G101, Singer 29k71, Singer 31-15, Singer 111w103, Singer 211G156, Adler 30-7 on power stand, Techsew 2700, Fortuna power skiver and a Pfaff 4 thread 2 needle serger.

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