Members Christoffer Posted April 6, 2015 Members Report Posted April 6, 2015 (edited) I've been sewing a lot, but only on others machines (industrial walkingfoots as well). I picked up a Brother LS2-B837 the other day and changed from a thin cotton thread to a tkt 20 (tex 150) nylon thread. It had a 130 needle, which would be about right accordingly to the thread brand (120-140). Seams to do well on the slide test. (Tried 120 and 140 as well) At first I tried with original thread tension, but it broke the thread. I losened both top and bottom tension a little, the bottom so that the bobbin doesnt slide down holding it in the thread, but loose enough to slide a bit with a gentle "jojo move". I would say its on the looser end now. The top tension I did loosen a lot, because the thread did not move at all, to a point where it falls off from the tension wheels. By the moment it will curl the top thread, and do a lot of birdnesting. Ive tried all day, with my limited error searchings skills, and I'm not even close to make one normal stitch, feels like a needle in a haystack! Edited April 6, 2015 by Christoffer Quote
Members gottaknow Posted April 7, 2015 Members Report Posted April 7, 2015 On both the upper thread guide and the one just before the tension disk, I would only wrap the thread through the first and last holes, skipping the middle holes. That will allow you to increase the top tension and set your stitch, it's simply too loose. Make sure after you've pulled up the bobbin thread that you pull on it and make sure it didn't get tighter. Another cause of this with bonded nylon is that if you're hook timing is retarded some, The previous loop won't get pulled up all the way before the hook comes around and breaks it. Remember, a hook makes two revolutions for each stitch. The first is to pick up the loop, the second is to feed the material. If you know how, I'd also check the latch opener adjustment. If you search this forum, I go into great detail on how to check it. Good luck! Regards, Eric Quote
Members cdthayer Posted April 7, 2015 Members Report Posted April 7, 2015 ...and make sure that your bobbin is not over-loaded with thread, binding the bobbin feed.CD in Oklahoma Quote "I sew, I sew, so it's off to work I go....." My sewing machines:Adler 205-370 (Hand Crank), Adler 205-64 (Hand Crank), Consew 226 (Clutch/Speed Reducer), Singer 111G156 (Hand Crank or Clutch), Singer 111W153 (Clutch), Singer 20U33 (Clutch), Singer 78-3 Needlefeed (Treadle), Singer 20U (Treadle), Singer 29K70 (x2) (Both Treadle/Hand Crank), Singer 96-40 w/Darning Foot (Treadle), Singer 31-15 w/Roller Foot (Treadle), Singer 31-15 (Hand Crank), Singer 16-41 (Treadle), Singer 66-1 (Treadle/Hand Crank), Singer 201K4 (Treadle/Hand Crank), Singer 216G Zigzag (Treadle/Hand Crank), Singer 319W (Treadle)
Members Colt W Knight Posted April 7, 2015 Members Report Posted April 7, 2015 I have had problems with certain black thread not performing well in my machine. Quote
Members Christoffer Posted April 8, 2015 Author Members Report Posted April 8, 2015 Now I skipped the middle thread guide hole. Yes, the thread pulls out fine after installing the bobbin as well. No, its about 3/4 full, thanks. It does not longer twist the top thread, how ever it tears a bit sometimes in the needle. Most of the times exactly nothing happens Quote
Members Christoffer Posted April 8, 2015 Author Members Report Posted April 8, 2015 (edited) Still cant gett it to work. Trying the bigger needle (160/23) Edited April 8, 2015 by Christoffer Quote
Members Christoffer Posted April 8, 2015 Author Members Report Posted April 8, 2015 It starts allready after two stitches, higher tension doesnt make a differance, I can higher it untill it wont move, no differance Quote
dirtclod Posted April 8, 2015 Report Posted April 8, 2015 Have you tried a new needle and a different spool of thread ? I had a spool thread that i just couldn't use. It would fray or break when i tried to use it. Quote I'm old enough to know that i don't know everything.
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