Question about Consew 14TU Mechanical Sewing Machine

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Maybe it's still a tension thing...

I just bought a used Consew 14TU 4-thread Overlock, and although the owner told me that it had been recently serviced and it was ready to go out of the isn't. I've rethreaded it and adjusted might make one or two loops, but then the thread breaks or comes back through the machine. I'm lost as of now...oh, and she didn't provide instructions.

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Re: Maybe it's still a tension thing...

Do you know much about timing? if not please take it to a near by dealer,,,,should only cost 40-$60 for service....if you are mechanically inclined i can try to run you through a intense process

Posted on Jan 21, 2008

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How can I set the right tension on an overlocker globe lock m-34?

The right tension on an overlocker will vary depending on the result that you want. The standard tension for just a plain 4-thread overlock stitch would generally have all the thread tensions set at the halfway mark between the high and lower number. From that point, you may need to tighten or loosen each thread tension to get all the threads to stitch evenly.

Probably the best advice would be consult your owner's manual. It should have instructions on adjusting the tensions and what to look for.

Another suggestion would be to search YouTube for a video that shows how to adjust overlocker tension.


Nov 14, 2015 | Sewing Machines

2 Answers

Top thread keeps snapping on consew 230b

Top thread snapping. Do you have an idea of there it is breaking?

First I would check the needle throat plate and needle. If you have stab marks on your needle plate, examine it closely for a crack. (get out the magnifying glass or jewelers loop) I recently fixed a problem I had with an old singer that kept breaking the top thread by replacing the needle plate. The old needle plate was so damaged it had actually made a knife edge which consistently cut the thread right at that location.

Change your needle and make sure it is the proper size for your thread. Too narrow of an eye can shred the thread causing it to break.

Next, check anything along your threading process that could be catching or snagging the thread. A worn or chipped thread guide can be a real problem.

Also make sure your thread hasn't dropped down below your thread cones and wrapped around the thread spindle. This would cause extra tension that might not be readily apparent.

Good luck

Aug 15, 2012 | Consew Sewing Machines

2 Answers

I need a manual for a model 230 consew, I recently bought it from a friend, I want to learn how to thread it, and wind my bobbins, can you help me, unable to find one

You can go to the consew official website and download the PDF file for the 210 model. It's the same as the 230 r-1 (which i have). I found this information by calling the consew headquarters. You can also download a PDF with the full parts list for the 230 model specifically. This link may help

Apr 06, 2011 | Sewing Machines

1 Answer

I have an elna overlock Pro 5DC, which I bought new years ago. The dealer went out of business, and with her the repairman who knew Elnas. When mine developed a problem, I had it serviced by an all-brand...

If you google elna overlock pro 5dc, I found this site and you can download your manual for $10, hopefully it will help you.
It is so frustrating to have a great machine and no one can help you. Good luck

Sep 21, 2010 | Elna Sewing Machines

1 Answer

I just bought a Yamata BL4-434D overlock machine,

Put 4 colours of thred on the machine , set all tention knobs to 0 stitch and see what colour is not tight, adjust the colour that is not tight. Also use jersey ball point no 80/12 needles it work on all material E-Mail me From Willem SA

May 10, 2010 | Yamata BL4-434D

2 Answers

Tension problem, consew 225

The bobbin should have a thin metal peice that the thread goes under to create tension, the screw closes to end the thread comes out of is the one to adjust. If they were sewing with a light thread on the machine the tension on the bobbin is probably set pretty tight loosen it a little at a time, turning the screw counter clockwise. You might need to check your top tension also if it is showing a knot on the bottom. The bottom is to tight or the top is to loose.

Nov 03, 2009 | Consew 226R-1

1 Answer

Threading a consew 146RB-2A

I'm not sure why the person told you that because it is not true. You only have to go around the tension wheel once.

May 24, 2009 | Consew 146RB-2A

1 Answer

Cannot get tension balance correct

Try this. reomove thread and bobbin from machine.. Set thread tension to the middle number. Rethread machine carefully making sure the thread is thru the tension wheel. Replace bobbin making sure that thread is thru it's tensioner.
Rule of thumb. Loops on the bottom, problem is on the top. Loops on the top, problem is with the bobbin.

Apr 16, 2009 | Consew 199R-1A Sewing Machine

1 Answer


I answered this a couple days ago but don't know if it went through. I can sew through 6 or more layers of denim with my 226, no problems at all. In my 30 years in the upholstery business I never had a problem sewing leather, vinyl, canvas or multi-layers of fabric. The 226 Consew, the 111W and 211w Singers I had presented zero problems with heavy fabrics - and I don't consider vinyl "heavy".

You need to first of all check threading. If the machine's threaded wrong you're break thread. Also you need to oil under the bobbin case and the bobbin hook and the rest of the parts as well.
Then, loosen thread tension on top by turning the knurled knob that's on the spring that's holding the tension discs. Also loosen bottom tension on the bobbin case by turning the small, left-most screw on the outside of the bobbin case counter-clockwise. Do both with the presser foot down. Pull the thread(s) out and feel the tension. You should be able to pull the threads out with some little effort. Tighten both a little at a time until you get some tension. Run a couple seams and check where the threads meet in the fabric. They should meet in the center. Also check stitch length. If you're using 92 thread (is should be left twist), you should run the machine at about 6 - 7 stitches/inch. I'm running my machine at 5 - 5 1/2 with #69 nylon bonded, and 6 - 6 1/2 with #11 mono.
One more thing; if tension's too loose at the bobbin or top, the machine will jam in the bobbin and thread will break.
Go to and download a pdf owner's manual for free. You need to click on the 224. That machine, the 225 and 226 are the same.

Nov 05, 2008 | Consew 226R-1

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