Question about Brother SE-270D Computerized Sewing Machine
The machine made a whinning noise then the motor started skipping on the belt and the machine's computer gave an error. the balance wheel can be turned manually but it is very difficult as though something is caught up in the machine. i opened up the machine and cleaned out the lint but i cannot see where the resistance is coming from. the only thing i can think is that somehow a length of thread may have wrapped itself around the mechanical crank/cam where i can't see it and is preventing it from turning easily. am i on the right track or is there another known issue i am overseeing?
This is the first and foremost problems that I've found: The bobbin case is packed full of threads. The needle is crooked and must be replaced.
1. The bobbin case has a hook that turns to catch the top thread when the needle is down. The bobbin case assembly must be removed and cleaned totally. The bobbin case assembly is where the bobbin sits. The bobbin case has a black bar that sits on top of it. Listen the forward screw and slide the bar slightly. You will need to move the hand wheel to move the hook to the front-most position. When you have done this the bobbin case will come out easily. Clean it thoroughly and put one drop of oil on the track. This is a lower spot where the bobbin case sits on top of. Before you put the bobbin back in you need to check the tension. It is intended to be even with the top tension.
2. Replace needle and make sure it is in totally and is seated the right direction.
HOPE THIS HELPS
Posted on Apr 16, 2017
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Posted on Jan 02, 2017
If your machine bunch up the tread, it has nothing to do with timing. In 90% of the cases the problem lies with the top thread. Check your tension disks for any fluff or thread. Also check that you thread the machine correctly. The best way to check the tension is to thread the machine normally with the presser foot up. when you get to the stage of the threading the needle, first lower the presser the presser foot and check the tension by pulling the thread slowly with your right hand and adjust the tension with your left hand. On zero you should be able to pull freely and on 5 there should be enough resistance. If this is the case your machine should sew perfectly.
Hope this help
Posted on Jan 18, 2008
Comment by margecam52, posted on Aug 12, 2008
It's the bobbin thread. Also, it does not have to be Brother brand. Any 60wt thread will work. I get mine at http://www.threadart.com
They have it on large cones, and I use a cone holder to fill my bobbins. I have not had a single problem since. I like this thread because it has a sheen to it. I also have a longarm quilting machine & I use this bobbin thread 95% of the time. Also, be sure to check the bobbin area (remove the plastic & the metal plates) for lint buildup... I have a small, soft artists paint brush that I use to remove the lint build up with. I check after every embroidery run.
And for the thread not coming through...mine does it when I change thickness of threads. There is an adjustment wheel on the front of the machine, I turn that...seems to make the difference...not even sure that is what it's for...but it works for me.
Posted on Aug 12, 2008
OK; My SE-270D is about 5 years old and it just recently started giving me the "lower presser foot lever" I have already spent $30 going on line to fixit websites only to be told to take the unit to a service center. I went through the normal routine of trying to reset the computer of which did not work. I can't afford to spend $75 just to let someone look at my unit and then pay even more to have it fixed. I could buy the same machine or equivalent (brand new) for about $200. I am sort of mechanically inclined so I decided what the heck, I will just open up this machine and try to figure it out myself. I mean what do I have to loose. I opened up the unit and discovered there is a tiny "pressure switch" which is activated when the lever is pushed up or down. When the lever is up the switch is "off" when the lever is lowered it releases the spring loaded whitch to the "on" position. The tiny switch is right below the thread tension dial. I discovered that the switch could be activated manually by pulling it over with my finger. I had to make a hole in the casing so I could get to the switch after I put it back together. WALA! it works. When I lower the presser foot lever I then pull the broken switch into the proper position and it works like a sewing machine. I gambled on this solution because I have a tiny bit of mechanical knowledge. So if you are lacking in that area, please don't try it.
Posted on Nov 26, 2008
the rubber ring on the bobbin winder has probably gone bad which would mean replacing it but you can buy a portable bobbin winder called a sidewinder for around 20.00
Posted on Jul 16, 2009
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