Question about Janome Harmony 4045

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Sewing straight I can't make the sewing go straight line, it seems the fabric doesn't run, I have to pull it. Bobbin and tension ok.

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  • Janome Master
  • 1,564 Answers

DO NOT PULL IT. Increase the pressure on the presser foot.

Posted on Nov 06, 2012

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

bargainbox
  • 1388 Answers

SOURCE: My Janome my excel 23x

Ensure that all is clean and free of lint jams....now for tension troubleshooting .......

This solution is for tension problems...if you cannot form any sort of stitch, the issue is quite different, so please let me know if you need a different problem solved.....

It is quite long, but just work through each section in order.
The "knotting up" can reveal a lot. If you have loose threads on one side or the other, the tension on the opposite side will be the culprit.

QUICK SUMMARY FIRST:
Ensure sharp new needle,
Thread guides and Bobbin are Clean & Clear of lint
Set Top Tension to 4 ....then....
Balance Bobbin to suit.

TOP THREAD TENSION:
If the looping threads are on the underside as you sew, it is the top tension. Top tension ought to be between 4 & 6 (this variation to allow for the different weights of fabric in your
projects).

IS YOUR NEEDLE SHARP ?
If you are using a needle that has seen quite a deal of work, or you suspect it may be blunt, change it for a new one !

TOP TENSION & GUIDES:
Make sure that when you thread the machine the presser foot is up so the thread goes between the discs and not to one side, top tension between 4 and 6, and that you have threaded through all the guides, including the last one, usually on the needle arm, just above the needle clamp.

It may be there is lint trapped between the discs, this will keep them slightly apart and reduce the actual tension, sometimes dramatically.

If tensions appear correct, and the thread is definitely in the channel between the discs, but still too loose and looping, try raising presser foot and remove your thread.

Now, with a 2" (50mm) wide strip piece of fabric 8 - 10" (20 - 25cm) moistened with methylated or denatured spirit, gently insert the fabric strip and clean between the discs with
a see saw / to and fro action.

In the worst cases, gentle use of a needle to pick & remove the jam may be necessary, but be very gentle and make sure the tension is set at Zero and the presser foot is raised, (to
disengage tension plates).... do not gouge or score the plates, they need a polished surface to work correctly.

BOBBIN TENSION:
Far less common, but if the loose threads are on the top, it is bobbin tension that is loose, it too may have lint in the spring and be giving a "false" tension.

I would not recommend fiddling with bobbin tension without good reason, it may end up with missing small screws and spring pieces, however, you can take the needle plate off to clean
the hook race area (where bobbin case sits)

...this is just good housekeeping, my wife does this every time she replaces the bobbin....

just take it out and clean the bobbin case and the fixed metal hook race with a small brush to remove lint. If there is a significant amount of lint, use a vacuum and small brush to get the worst.

Then wipe all this area with a cloth or cotton bud (Q tip) moistened (not soaked) with methylated spirit, especially if there appears to be fine dirty deposits....oil and lint combine to conspire against you.

If it seems likely that you ......really ....do .....actually .....need .....to adjust the bobbin case, first check there is no lint trapped in the metal spring where the thread is tensioned.

TOP LOADER:
Drop-in Bobbin case will look similar to this image with the tension screw in the middle of the metalwork....

4c76dc1.jpg ...the other screw at one end is holding it all together, so beware....it is not a tragedy to undo the whole lot and clean it, but very gingerly and lay the bits out in sequence and orientation, or you risk tearing your hair out !

FRONT LOADER:
....this is a bobbin case from a front loading machine and works in a very similar fashion to the top loader with drop in bobbin, again, if you dismantle it, take care so you can put it all
back properly.
165ca5c.jpg FINISHING UP
GETTING THE BALANCE RIGHT:
When you are certain there's no trapped lint in top tension or bobbin, set the top tension to 4 and the bobbin tension to a point where you just begin to feel resistance.

Try using good quality thread of contrasting colours so you can more easily spot the changes.

Set your zigzag to one width less than maximum (eg. 5 of 6 ...or... 4 of 5 etc) and sew a sample for a few inches and check the result.... adjust the bobbin tension screw very little at
a time, perhaps 1/16 of a turn.

You may find you are playing with this balance for some little while and if you are putting the needleplate on and off each time begin to think it cannot be correct to do this.....BUT....it is,
and eventually, you do get a "feel" for the correct tension and then it happens quite quickly.....as a user you won't be doing it very often unless there is lint built up (or are there small hands at work around the house !?!?!)

OTHER ISSUES:
If you live near the ocean as we do, salt air can play havoc with metalwork inside and out, so to help minimise this, keep a few small packets of dessicant (silica gel) in your machine
case....no case ? then make some sort of cover !

Same applies in any damp or humid environment, keep your machine dry and dust free.

Budget for a proper full service every couple of years (more often if heavily used) and if you don't use your machine for a few years, be aware that old oil will dry out and combining with
dust and form a "clag" like glue (another reason for some sort of cover, even a teatowel !)

FINALLY, A WORD ON THREAD:
If it is worth spending the time, energy and money on making something that you would like to give lasting enjoyment......use quality thread, .......it may seem to cost a little more at the
time, but the results, ease of use and added longevity will be worth the extra, and as a bonus, your tension troubles may be fewer and further between, because there is a more consistent diameter with good thread, and less compensating to be done by your tension plates and less thread breaks !

If you want any more help with this, just post back here, or, drop a line through the "Contact Us" page at www.bargainbox.com.au

Posted on Apr 25, 2008

bargainbox
  • 1388 Answers

SOURCE: janome 9000

Remove the needleplate and clean out the lint from between the teeth of the feeddogs........it is the most likely reason, the lint holds the feeddogs below where they need to engage fabric.

Check your Presser foot tension is at 3 then do a test.

If this is not sufficient the method of adjusting feeddogs is possible at home, tho perhaps not for those lacking some confidence in mechanical adjustment.......so post back for detail if needed.

Posted on Jul 31, 2008

  • 323 Answers

SOURCE: L-344 loose stiching

You need to do a tension assembly test. Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} Tension assembly test. To do this test. 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 doesn’t work this way then you probably have a piece of thread or lint stuck inside the tension discs. To remove it, turn the tension to 0 zero and raise the presser foot.Using a small screwdriver, open the space between the discs and spray with canned or compressed air. The stuff should come out. Do the tension test again to make sure you got everything and then try sewing again.
sewman7

Posted on Dec 24, 2008

Zenqi
  • 208 Answers

SOURCE: The bobbin thread is bunching on the under side of

Make sure that you use the F foot when using decorative stitches.

The stitch balance my be off. Remove the accessory bin and you will see a large plastic screw with a + and a - and an arrow. Using a coin, turn the arrow to the center and test. Turn the arrow towards the + to stretch the pattern out.

If this doesn't work, it must me calibrated internally and requires an experience hand.

Posted on Jul 11, 2009

yeroc
  • 397 Answers

SOURCE: when I sew or embroider on my janome 9700 the top

Take out bobbin holder on machine and u will see a small screw, turn it ever so slightly right and see if your bobbin tension tightens up,

let us know

Posted on Jan 04, 2010

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1 Answer

I have a Elma 6003 the top stitch is working fine but bobbin is running straight line on bottom could be timing? Adjusted tension already


If the bobbin thread is tight, then its tension needs to be loosened. It should be flexible enough that the top thread can pull the bobbin thread up halfway into the fabric. The ideal tension is when both top and bobbin threads meet in the middle of the fabric.

Aug 12, 2017 | Sewing Machines

1 Answer

How to adjust bobbin case for proper movement.


  1. Using a doubled piece of fabric similar to what you have in mind for your project, sew a seam on the diagonal-pulling the fabric on the diagonal to break the threads. (Ideal tension would either break neither thread or break both threads. So, a single breaking thread signals that the tension needs adjusting.)
  2. Snap out the faceplate to remove it & to gain access the bobbin area below the sewing needle.
  3. Remove the bobbin case & bobbin-lifting the hinged latch that you would to wind a new bobbin-leaving the bobbin in the case. (You need it in there to feel the tension as you adjust it.)
  4. Using a small screwdriver, very slightly turn the screw on the side of the bobbin case clockwise to increase tension; counterclockwise to decrease tension.
  5. Pull the bobbin thread while you hold the bobbin in its case & feel the thread's tension. Too tight of tension would prevent the thread from dispensing (& possibly break), but too loose of tension would allow the bobbin to fall out of its case.
  6. Return the bobbin case to the sewing machine & close the faceplate.
  7. Repeat this whole routine from Step One on the doubled fabric. Stitching should run along both the top & the bottom in the same way-locking in the center. A diagonal pull of the fabric should show which thread(s) break(s). Repeat Steps Two through Four to only adjust the screw aside the bobbin case in order to allow the threads to lock in the center of the fabric with both threads having the same break or no-break result.
25300611-iv4burzhkawezvl2jbah1xae-1-1.jpg

Nov 29, 2014 | Singer 2732 Mechanical Sewing Machine

1 Answer

Thread tension will not adjust.


Check your setting, you have your stitches set too far apart. Wherever on your machine you see the zigzag stich you will see other stich settings, look at it until you see the right amount of stiches you want.

Mar 06, 2017 | Brother CE8080PRW Limited Edition Project...

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My needle wont sew on my husky star 207?


change the needle--make sure it's the right needle for the fabric
being sewed
rethread the machine top using every thread guide
check to make sure the bobbin is not over wound, make sure the
bobbin is not warped, & that the bobbin is inserted correctly into the
machine
make sure the thread has not come off the thread take up lever
it's also possible that the machine is out of time

Jul 14, 2012 | Husqvarna Huskystar 207 Sewing Machine

2 Answers

New Home ss2015 machine. I am having trouble with the thread tension. I have loops on the bottom. I have cleaned the bobbin case, changed the needle, re-threaded and moved the upper tension all the way up....


try adjusting the top tension to 3 & if it doesn't stop the looping, try 4 but I wouldn't go any higher than 5,, if changing the top tension doesn't help then I suggest taking the machine in to have it serviced. the bottom tension is more difficult to do,, it's also very possible that the top tension dial is messed up & needs replacing. only a sewing machine shop can tell for sure.

Mar 02, 2012 | Sewing Machines

1 Answer

Husqvarna viking, scandinavia 400: bobbin issues


try decreasing the tension to 3, if that doesn't help I would suggest to have it checked if it's still under warrenty
also is the fabric & needle & thread compatable?

Feb 27, 2012 | Sewing Machines

1 Answer

I needle comes unthreaded whenever we try to sew. We've both tried numerous times and it doesn't make a sitch. The bobbin seems to be done correctly b/c the bottom thread comes up with no problem....


first let's deal with the needle becoming unthreaded, Keeping the needle threaded is easy, always keep thread tails of 3 to 6 inches on the top thread & bobbin at all times, & make sure the thread tail are pulled behind the needle before you start to sew,, this will ensure that the thread will not come out of the needle when you start to sew.

you mention the fabric is thin,, do you have a needle that's right for the fabric your sewing?
thin fabric needs a different needle than blue jeans fabric, check your top tension & see what the setting is on, usually 3 to 5 is good.

when the needle & thread are right for the fabric then the sewing is good.

also clean under the needle plate & bobbin area for loose threads or lint

also it's a possibility that the machine could be out of time & would need to be serviced by a sewing machine repair shop-as they have the tools for the job

Sep 22, 2011 | Brother LS-2125 Mechanical Sewing Machine

1 Answer

I have a singer 7258 that I can not get the tension to loosen up on. The top stitch is straight across and adjusting dial doesn't help.


Hello

Adjust the tension

Load your sewing machine with one color on top, threaded through the needle. Load the second color thread into the bobbin and thread.


Fold the scrap fabric in half, and sew a straight stitch at least 2 inches long. Look closely at the seam. If you see loops of the bottom color thread on top of the fabric, proceed to Step 3. If you see loops of the top color thread on the bottom of the fabric, proceed to step 4.


Loosen the top tension. Since the top tension is so tight, it is pulling the bottom thread up through the fabric. Loosen the top tension by turning the numbered knob on the front of the sewing machine counterclockwise by one number.


Tighten the top tension. Since the top tension is too loose, the bottom thread is pulling the top thread down through the fabric. Tighten the top tension by turning the numbered knob on the front of the sewing machine clockwise by one number.


Sew a straight stitch 3 inches in length. Check the stitching. It is perfect if the threads meet in the middle, and you can only see the top thread on top and the bottom thread on bottom. If it still needs adjusting, go back to step 2 to repeat the needed steps.


Using two different colored threads makes it easier for you to see which thread is being pulled.

Always use proper precautions when working with electrical machines.

Aug 01, 2011 | Singer Sewing Machines

1 Answer

I am trying to shir using elastic thread in my bobbin but my fabric will not shir & my elastic there jams causing me to start all over. I have studied many tutorials. It seems I need to tighten the...


Have you wound the bobbin with the shiring under tension? you need the shirring elastic to be stretched somewhat as it goes onto the bobbin so that when stitched out, it relaxes and pulls the fabric up.

And yes, usually you need to tighten up the bobbin tension also to stretch the elastic some more.

The Ellure has a horizonal drop in bobbin so you will need to access this to adjust the tension. This may require unscrewing the two screws holding down the needle plate (metal flat plate you sew over). Take this off and now you'll see the bobbin holder area clearly. Look where the tension spring is, the little groove you pull the thread into when threading up. Is there a small dial just near this, about 7mm across? it will have a groove in the top and hopefully a + and - marking.

IMPORTANT: carefully make a note of where it is set now. Take a picture or write a little diagram down so you can get it back to normal setting. Use your little accessory screwdriver and carefully turn it one click to +, then test sew. YOu may need to turn it up 3 clicks to get the elastic stretched enough. Just make sure you know where to set the dial back to when you are done.

Also, remember you won't be able to shir heavy fabric, just light weight cottons work best.

I find that stitching lots of straight lines of shirring like you see tube bodice sundresses made in ready to wear is very hard, factories will have a machine that sews 20 rows at once. And getting enough gathers is trial and error with a domestic sewing machine.

Here's how I do it. Turn down top selvage edge of the fabric width you want to gather, turn down about 10mm and straight stitch around. Now on the wrong side with a sewing marker pen rule lines down from here across the fabric width spaced 1 cm apart. Now lie shirring elastic on these lines and stitch over it with a narrow zig zag stitch making sure not to catch the elastic with the needle. Start each sitching seam one cm from the raw edge of the fabric and finish the seam the same way.

Now I pull the elastic up from each side pulling all of them evenly until I"ve got it gathered enough. Now place right sides together and stitch the fabric into a tube catching the elastic ends in and securing them.

I hope this helps you out.

Jul 19, 2011 | Baby Lock Ellure

3 Answers

Stitiching too loose


The top tension pulls the upper thread up to the top of the fabric. The bobbin tension pulls the lower thread to the bottom of the fabric.

An even stitch is a tug of war between the two.

If it looks good on the to and the bottom looks loopy, the bottom is dominating and the upper tension needs to be increased to pull the knots up.

If the thread on the top looks like a straight line, it is too tight on the top or too loose on the bottom.

Unless the bobbin case tension has been adjusted, the problem is usually on the top.

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