Proper thread tension is one of the most basic, yet important factors in getting the best results when working with sewing machines of all kinds. If that tension is too tight or too loose, the stitches will be affected as will the entire sewing project. When tension problems arise while using Janome sewing machines like the Janome HD 3000, it is very easy to figure out where the problem lies and then make a quick correction.

Recognizing Thread Tension Problems

When the top and bobbin thread are properly adjusted for tension, stitching looks even and snug on both sides of the fabric, with no evidence of loops from the other side. If either is too tight, loops from the other thread can be pulled through the needle hole. Threads that are not tight enough lay loosely over the fabric. Neither produces a neat, strong seam with adequate flexibility. Threads that are too tense are more prone to breakage during sewing.

Upon noticing any of these symptoms, users of Janome HD 3000 or other sewing machines should stop and adjust the tension to prevent stitching issues.

Check the Simpler Things First

There are actually a number of things that can affect thread tension, so look into those things before using the adjustment control on Janome sewing machines.

  • Check to make sure the bobbin is correctly wound and inserted into the machine.
  • Be sure the needle isn't bent, then inspect to see that the top of the machine is correctly threaded, and that the thread passes correctly through the tension discs.
  • Check that the discs are clean and free of lint and that the machine is clean under the throat plate.
  • Consider whether the needle and both top and bobbin threads are suitable for the fabric being sewn and that a good quality thread is being used.

After determining there are no other reasons for the tension to be wrong, then move on to making adjustments using the tension controls on the machine.

Adjusting Thread Tension

When adjusting tension, be sure to consider both the top and bobbin thread:

  • Adjust the Bobbin Tension - Remove the bobbin in the case and test the tension by holding the end of the thread, then dropping the bobbin. A bobbin that falls an inch or two is properly adjusted. One that falls more than a few inches, or not at all, requires adjustment using the small screw on the side of the bobbin case. Turn the screw a quarter turn at a time, forward or backward, to tighten or loosen and test again.
  • Adjust the Top Tension - With the machine properly set up, use the adjustment dial to tighten or loosen tension as necessary. Try one notch at a time, testing out the adjustment on some scrap fabric until it looks right.

When facing thread tension problems sewing machines, finding the perfect adjustment can be tricky. Sometimes the machine is out of adjustment; however, many other times the problem is due to other factors. In any case, after trying all of the above pointers, Janome HD 3000 owners and those using other Janome sewing machines should contact a repair shop if the issue is not corrected. There could be some other problem affecting thread tension and stitching capability!

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