Question about Yamata FY101-1A

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I have a New Yamata FY8500. No matter what I do I cannot get the botton tension right. Ant ideas?

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  • Tony Ramos
    Tony Ramos Nov 13, 2017

    Any luck with this question? I am having trouble with mine too.



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Posted on Feb 27, 2009


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The stiches at the botton are loose,it sound good at sewing but somehow it still a real mess ,no matter how i tried all different adjustment in the control bottons..

Looping on the underside is an indication that your top thread is not under tension. So you need to check again on the top threading up and make sure the thread is seated into the tension discs. Always thread up with the pressure foot raised to open up the tension device. Make sure the thread goes into the tension device, to test, lower the pressure foot and pull on the thread downwards - it should feel firm and resist pulling. If you can't get any tension onto the top thread, then the tension device may be broken.

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The easiest way to get your threads adjusted and learn which thread does what is to thread the machine with 4 different colors. Set your tension dials at 4,3,2,1 from left to right. This is the starting point. Sew on a test strip and look at the threads. You can then adjust the correct tension dial according to the thread color. This is a great way to get the machine set back to correct tensions as well as a learning tool to figure out what each thread looks like so you can adjust later when using all one color.

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