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Posted (edited)

The bobbin "case" on your Consew 226 should actually hold a vertical axis bobbin which does not have a "removable" case in the sense that the horizontal bobbin machines do. Here is a snap of the bobbin on my somewhat similar Chandler CU-563:

post-46726-0-23347600-1389743351_thumb.j

You can see the tension adjustment screw in the approximate center of the frame....a small silver screw that attaches through the center of the black spring and goes into it from the side, not the top. Yours may look a bit different since this one has the larger *U* style bobbin.

-DC

Edited by SARK9

Machines: Juki LU-563, Consew 206-RB5, Singer 20U33, Pfaff 481, Mitsubishi CU-865-22, Consew 29B, Rebadged Juki LU-562,  Mitsubishi LS2-180,  Seiko SK-6, Juki LG-158-1

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Posted (edited)

here is what mine looks like its a consew 225 would it be the two little screws nearest to the bobbin kinda in the middle of the picture shown here

when I pull on the threads the top thread seems a whole lot tighter then bottom should they feel like they have he same tension when pulling back to the left

tried tighten the top thread a half a turn now it seems its so tight its pulling my needle to the left and causing the needle to jam up

post-48183-0-51614400-1389798635_thumb.j

Edited by jkbuzbee
Posted

Here are some links about bobbin and top tension measurement and setting. If I remember correctly, top tension is about twice the bobbin tension. Top needs more tension to pull the knot up into the leather.

http://leatherworker.net/forum/index.php?showtopic=44309&hl=+bobbin%20+tension%20+measure#entry281315

http://leatherworker.net/forum/index.php?showtopic=51956&hl=+bobbin%20+tension%20+measure#entry332668

http://leatherworker.net/forum/index.php?showtopic=42126&st=30&hl=+bobbin%20+tension%20+measure#entry269092

Hope these links help you get it sorted out.

Tom

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Posted

Hello:

Your bobbin tension on a 226 should have a slight amount of resistance. It should not have anywhere near the same tension as the top thread. I usually say about 1/2 pound of pull or less is good for bobbin tension on a machine like this.

They make a metering device for checking bobbin tension as well.

I would check your thread and needle size too. Needles too large for thread size can cause problems with knot centering and vice versa.

The size of thread that you use versus the thickness of the leather can have a direct bearing as well. If for instance if you are trying to use a size 207 thread to sew two pieces of 1.5 ounce leather together then the thread tension and stitch appearance will never be satisfactory as the machine cannot center knots in material that is nearly as thick as the thread itself.

Hope this helps.

Ryan O. Neel

Cowboy Sewing Machines

Neel's Saddlery and Harness

Offices in North Lima Ohio and Toledo Ohio

www.cowboysew.com

www.neelsaddlery.com

toll free: 1-866-507-8926

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