Question about Brother XL3750 Mechanical Sewing Machine
Thread came out of the thread hook and wrapped around the inside of the machine, there is no way of getting it out without taking apart. It is tight around the fly wheel post inside and now the fly wheel does not turn loosely. How do you get the front cover off the machine?
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Posted on Jan 02, 2017
SOURCE: top thread wraps around bobbin
Is it birdnesting under the bottom or it is actually getting tangled inside the bobbin case? I've had my machine for almost a year and don't think I've had your exact issue. Sometimes, when you do a stich over a already stitched portion, you may have a problem with the bobbin and I just generally stop and start it again. It is important that you use the correct needle and also use a good embroidery thread and stablizer. Another thing suggested is changing the needle after about every 5 designs. Also, check the bobbin case to make sure there's no fuzzies caught in it. I use "canned air" like you use on computer keyboards. I also only use 40 weight emboidery thread for the top and actual bobbin thread for the bottom. Other threads can really jam everything up. So it's been trial and error to find the right combinations. Good Luck!
Posted on Jan 16, 2008
Cut a round curcle of fabric the size of the spool from a piece of felt. Put a hole in the middle and put it under the spool of thread. If this does not work you can purchase a small net that fits over the spool. It is designed to keep the thread from coming off the spool except for being pulled through naturally.
Hope this works.
Posted on Jan 19, 2008
My wife and I just had this same problem (or at least getting the cover off) and have a possible solution. Safety first, unplug your machine from the wall. Next remove all the screws, three by handle, three on the bottom, one on the rear of the sleeve arm, one on the light bulb cover and one inside the lightbulb cover that goes sideways into the frame. I believe that's all of them but look for any that hold plastic-to-plastic or plastic-to-metal. Take note not to change the stich settings or else you'll have to find and set the number wheel and the adjuster to match, not fun. The way we did it was starting from the top, pry the case apart slightly and with a flat screwdriver gently lift the case over the three adjusting wheels so they clear. We then, with difficulty, pried the case the rest of the way open, with a really loud pop! A better way might have been to start pring from the bottom, but it worked. Reassembly was just the reverse, just fit the top first and put all those screws back in.
Hope this helps.
Posted on Oct 20, 2008
check you tension on the top thread and see if you have it threaded the right way. Also see if the indent of your needle "the indent down by the hole on the needle" is facing the hook by your bobbin case that grabs the thread when it comes around.
Posted on Dec 05, 2008
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