Question about Janome Memory Craft 9000 Computerized Sewing Machine

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Having a problem with tension not stitching correctly what can I do to fix it

Have tried to stitch garment a few times but it is not stitching properly how do I adjust tension please

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  • Master
  • 1,407 Answers

Tension depends on so many things. Material thickness, right size needle, thread,bobbin etc . If it is none of these things then you need a technician.Best wishes

Posted on Jan 25, 2015

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  • Janome Master
  • 688 Answers

Here's how to adjust bobbin tension: 1 Remove bobbin and carrier.
2. Put bobbin in (spinning counterclockwise) - thread inserted under plate. (tension).
3. Place on flat surface and pull thread while holding carrier in place. Adjust small screw until you feel it is slightly difficult to get the thread to move. The old style machines you bob it from your finger until the adjustment allows it to move one inch downward.
4. When you have this done put one drop of sewing machine on the race (small track the bobbin carrier rest).
5. Replace the bobbin carrier and bobbin. The thread must be able to go under the holders of the carrier so you may have to make a slight adjustment.
6. Go ahead and thread the top with the foot up. As you thread the top you may make little pulls. This is to insure there are no snags. With the foot in the up position the tension does not operate. When you put the foot down the thread should be noticeably more difficult to pull.
7. The upper tension should be at about a four setting to start with.
8. Adjust the upper tension this way. If too much thread is coming to the top from the bobbin then you should lower the top tension. The opposite is true.

Posted on Jan 26, 2015

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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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

mallow1
  • 35 Answers

SOURCE: Thread tension?

I own this little gem of a machine. It definitely sews a perfect stitch. I'm assuming you own the green 3/4 size machine as denoted by your product number. The half size blue one pictured is incorrect.

Anyway, this machine sews a perfect stitch, due to the oscillating bobbin. Most sewing machines with rotary (drop in) bobbins don't have an easily accessible bobbin tension screw, which means your fabric is usually slightly puckered. Fiddling with only the upper tension helps very little. This frustrates me to no end for sewing long curtains, clothing side seams, etc. Wrong tension causes them to hang with puckers, making them look awful. With the Hello Kitty 3/4 size Janome, there is a screw on the bobbin case which allows you to adjust for every thread diameter perfectly. Always a perfect stitch, if you take the time to adjust this screw.

To adjust the bobbin for a perfect tension, load the bobbin into the bobbin case and thread it through the guide. Holding only the thread between two or three fingers, let the bobbin case dangle below. This will be slightly difficult, because the bobbin will want to fall out of the case. Don't worry, just don't move it around too much and it will stay in long enough for this test. If the metal bobbin case slowly drops lower, unwinding thread as it goes, the thread is too loose. Tighten the screw on the side of the bobbin case a little (about a quarter turn.)

If the bobbin case seems to be dangling firmly, give the thread a gentle tug, lifting up fairly quickly. If it doesn't release a couple of inches of thread, it's too tight, loosen the screw. You know the tension is perfect when a quick, light tug of the thread releases a couple of inches of thread.

Posted on Aug 16, 2008

SewTechWayne
  • 186 Answers

SOURCE: The Reverse stitch button

The feed mechanism needs to be oiled. Take off the bottom cover and look for any place where two parts move against each other. Some binds can be very difficult to remove. Try spraying everything with a light weight oil (I like Tri-Flow) and let them soak over night. Then manually try to move the feed dogs with your hand. Hopefully it will break loose.
Good luck!

Posted on Jan 30, 2009

  • 2 Answers

SOURCE: skipping stitches

Rule of thumb: Fast needle, slow hands. This should help. GiGi

Posted on Mar 15, 2009

rochelle0099
  • 5 Answers

SOURCE: no stitch happening

May sure you are using the correct size of needle and thread suitable for the fabric. make sure the thread in the bobbin and the needle is of the same weight or size. Make sure the needle is changed often - after the completion of an garment. After much use the needles become blunt and cause problems with your stitches.

Also, if the bobbin is jamming that is normally because the machine is threaded incorrectly, or the bobbin case thread is wound unevenly, or the bobbin case is not put in properly.

Try this! Just stop for a while, give yourself a few minutes to relax. When you return pull the User's Manual and slowly go over the instructions, especially the "troubleshooting" section. Also, rethread the machine and the bobbin case by carefully following the steps in your User Manual. I have found that it helps me tremendously when I have problems. Hope it help. Happy Sewing

I have similar problems

Posted on Aug 02, 2009

Testimonial: "Thanks, and after having a few days break, my machine seems to be nearly back to normal, it is working on normal cotton but not on stretchy material."

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1 Answer

The bottom stitch is not catching, so when I'm finishing stitching the line of stitches is easily pulled out. I've tried loosening and tightening the bobbin.


Not sure if I'm understanding. Is it stitching but the bobbin thread simply lays on the fabric surface? If this is the case. The top tension is too loose. Bobbin tension is usually altered only as a last resort since it is difficult to correct,. Tension is correct when both threads meet in the middle of the fabric. Tension is a tug-of-war between the two threads. When both threads have equal pull, you have achieved correct tension. So, in your case, if you tighten the top tension, it will pull the bobbin thread up.

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Could be a tension issue.

Try this to see if it helps:
Remove top thread.
ALWAYS RAISE the presser foot and rethread from the beginning.
Start the top tension set at the midway point and then adjust.
Check that the bobbin is threaded and installed correctly.

Understanding Thread Tension Threads

Sewing Lesson 10 How to Fix Tension on Your Sewing Machine

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