Question about Euro-Pro Shark Mini Mechanical Sewing Machine

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My machine has a problem with bobbin tension.we installed every thing as given but sometimes we are not getting any stitch

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Make sure the bobbin thread goes through the tension spring. if that's ok, try adjusting the little screw on the bobbin case. bobbin tension is correct if you hold it (with bobbin loaded) by the tail of the thread leaving the bobbin case. when you do that, it should hang in the air but release thread if you pull it gently. if it comes out to freely (case does not hang in air, but slides down) try turning the screw clockwise, 1/4 turn at a time til it's right. if it won't release thread without a struggle, turn the screw counterclockwise, 1/4 turn at a time. Good luck!

Posted on May 12, 2014

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Posted on Jan 02, 2017

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  • 323 Answers

SOURCE: tension on stitches

Loose bottom stitches mean the UPPER tension has a problem. Pull the thread through the tension assembly and test it to make sure the tension is working correctly.
(To do this test, adjust your tension setting to normal or medium or 5 or something in the middle. Raise the presser foot and pull the thread through the tension. It should pull easily!! Lower the presser foot and pull the thread. It should pull noticeably harder.) If it does not work this way( the tension stays loose) you will need to set the tension to Zero, open the discs with a small screwdriver and remove the lint or thread which is stuck in there.
Sewman7

Posted on Jul 01, 2008

  • 40 Answers

SOURCE: Tension problems

start with the bottom- should allow thread to pass freely with slight tension when dangled from the thread. Tiny screw on the bobbin case turned clockwise tightens tension. Next, check upper tension. Thread should pull through with foot down, with good tension. Stitch should 'lock inside the fabric(use two pieces of fabric and make a seam, thread from both top and bottom should be visible when you open the seam.

Posted on Jun 01, 2010

  • 1788 Answers

SOURCE: How do I adjust the

Make sure that your top threading is right. My sister in law has this same machine and it is a really hard thing to do, Your manual has very vague instructions but check your thread going through the tension discs by pulling on the top thread with the presser foot up, it should pull smoothly, now put the presser foot down, it should barely move. /Sometimes this seats the thread in the tension discs. She is having no luck with the buttonhole making. In 50 years of sewing I have never seen a more vague manual and no customer service at all.

Posted on Dec 05, 2010

  • 3 Answers

SOURCE: can't set the tension on needle or bobbin to match

1. make sure your machine is threaded right.2. set the tension between 3 and 4 and play with the tension as you need it to adjust it.3. make sure the bobbin is threaded right.make sure to visit the site below; it has solutions to multiple problems and instructions how to thread the needle or bobbin. Good luck.htt://Fix Looping/Knotting Thread Fix Knotting/Bunching Thread Looping Bunching & Knotting Thread

Posted on Oct 21, 2011

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1 Answer

The top of the stitching is so loose, it can be pulled out with no effort. Have retreaded several times, used manual as guide. Tension is on 4, stitch length on 2.5 and stitch width on A.


Remove the upper thread. Install a brand new needle

RAISE the presser foot and rethread from the beginning--make sure the thread path is correct.

Set the upper tension at the midway point which is usually the factory standard. This is a beginning point. Every machine is different and may require some tweaking to get the stitch tension where you want it.

Make sure the bobbin is inserted in the bobbin case and turning the correct direction and the bobbin tension is threaded correctly.

Retest your machine.

If the bobbin thread is tight and still pulling the upper thread down, either tighten the upper tension slightly and retest. If it is still the case, then the bobbin tension probably needs to lightened up slightly.

The tension is correct when both threads meet in the middle of the fabric.

Sewing Lesson 10 How to Fix Tension on Your Sewing Machine

How to Adjust Sewing Machine Tension on Craftsy

Understanding Thread Tension Threads

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Oct 15, 2016 | Sewing Machines

1 Answer

How can I prevent bobbin thread from bunching up and tangling?


First thing to do: install a brand new needle and clean the lint/dust from the feed dogs and bobbin area. Make sure you are using the right needle and thread for the fabric being sewn.

All About Needles

Second thing: remove all the thread from the machine. RAISE the presser foot and rethread from the beginning making sure that it is threaded correctly through every thread guide (consult the owner's manual). And verify that the bobbin is loaded and threaded in the bobbincase properly.

AVOID using old, fuzzy, and bargain bin threads.

Set the upper tension to the midway point between the high & low number (this is the factory standard although every machine may slightly differ). Now perform a new stitch test.

If the upper thread is creating a thread mess under the fabric, the upper tension is too loose. Tighten it.

If the bobbin thread is coming up to the top of the fabric, loosen the upper thread and retest. Sometimes the upper thread tension is not enough to prevent the bobbin thread from coming up. In that case, the bobbin tension may need to be tightened. (Search the internet for instructions for adjusting the bobbin tension. NOTE: bobbin tension adjustments should be done in micro-increments as a small adjustment will make a big difference in the result. Be sure to test after each adjustment.)

The tension is correct when the upper thread and bobbin thread meet and cross in the middle of the fabric. This will change whenever fabric, needle & thread are changed, so a sewist needs to be comfortable with regularly making upper thread adjustments.

One other thing to try is pull the bobbin thread up through the fabric before stitching and gently holding the thread tails when taking the first couple of stitches.

https://www.youtube.com/watch?v=caPzulMMlMU

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Jan 25, 2016 | Sewing Machines

2 Answers

What makes the stitches loose? How do I make them tight?


You should have a tension knob (1 to 10) on the machine, the lower the number the tighter the tension.

Jan 09, 2016 | Sewing Machines

1 Answer

How do I adjust the bobbin tension on a mademoiselle 300 sewing machine


Take out your bobbin case Hold it in front of you until you can see the little screw head
Mark down on a piece of paper at what o'clock the screw head is sitting ie look at the screw head as a clock face and see where the time is!!
Then left turn is to loosen the bobbin tension right tun is to tighten the tension.
ONLY move the screw head about quarter turn each time, mark where on the clock you have moved it to
Put back in machine and sew, check stitches Take out again and follow above instructions do again. Most times it only takes a couple of tries to get it right.
. The stitches should be even on the top and on the bottom. Sometimes if you are using a thicker thread in the bobbin it can be tricky These instructions are the same for what ever machine you are using. Sometimes in your instruction book there are how to's on setting the bobbin tension. I hope that this can help you Dot

Mar 05, 2015 | Brother Sewing Machines

1 Answer

The top thread is really loopy on the underside of the fabric, sometimes it misses a stitch, sometimes, the upper thread breaks, and it often gets so tangled underneath that the machine won't feed.


Your tension is way too loose on top or too tight on the bobbin. Try adjusting the top tension one number at a time until you get it right. (Only adjust the bobbin tension as a last resort). Also you could have different thickness of thread in the bobbin than on the top or are sewing a very heavy fabric. Try adjusting the tension with same thread in both bobbin and top and use a normal weight fabric until you find the right tension to get you back to a normal stitch before going to a heavier fabric or thread.

Nov 19, 2009 | Craft Master 4300 Mechanical Sewing...

1 Answer

Tension underside looks good, but top side the bobbin thread show


sometimes when you reset the top tension dont forget to reset the bobbin tension so try to tighten the bobbin tension

Nov 08, 2009 | Kenmore Sewing Machines

1 Answer

How to adjust tension on bottom stitch?


There are tow places where the thread tension is adjusted.

One is bobbin. This is not routinely adjusted. Just once and it is good for long time. This is done by turning the only screw on bobbin by about 1/4 turn or so at a time. Try several settings until you find he best.

the other place is the conventionally on body of the machine.

Tension of bottom stitch or top stitch are very confusing words. meaning difft things to difft pple.
All i can say is this. If u see bottom stitch run straight through loops of top thread. then either top tension is too loose or bottom too tight. and vise versa.

With top tension set to middle position adjust the bobbin to get correct stitch. Then later on all u need is to adjust only the top setting according to stitch and cloth


Oct 16, 2009 | Brother LS-2125 Mechanical Sewing Machine

2 Answers

Underneath stitch bad


Sometimes even though the tension is at recommeded placement, you may find with various fabrics or threads, you have to adjust it. I would try to raise the tension just a bit. Try it a little at a time until you achieve a stitch you are happy with. If adjusting the tension does not correct the problem, double check your threading. If sure it is threaded properly, especially going through the tension assembly...check your thread. I have found that the thread you use can and often does create tension problems. Try changing the thread and see if the stitch quality improves.

Mar 21, 2009 | Bernina Virtuosa 150

1 Answer

Bobbin stitch


What thread brand/type are you using?
Coats Dual duty and All Purpose are sometimes to blame for tension issues.

Is your top tension set at 4?

Have you made an adjustment to your bobbin tension? (Don't if you haven't)

Bonnie

Oct 28, 2007 | Kenmore Drop-In Bobbin 16231 Mechanical...

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