Question about Toyota STF39 Mechanical Sewing Machine

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Need manual How can I thread my toyota 4500 it's an old machine and I cannot find a manual; Neither top stitch or bottom is running

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There are a couple of places that are selling scan pdf version of the manual. Couldn't find a free one. The Toyota Sewing website didn't have any support download pages => http://www.sewtoyota.com/

http://sewingwishlist.com/toyota.html

http://gotoes.org/sales/ToyotaSewingMachineManuals/ViewInfo.pl?Toyota=1&Sewing_Machine_Model=4500-EL

Posted on Dec 27, 2008

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Bottom thread seems too tight!!! Help!!!


If the bottom thread is tight there should also be loops on top and this means that the upper tension is too tight.
Get out your manual (http://www.singerco.com/uploads/download/1198_8763-efs.pdf) and turn to page 24. Under "ADJUSTING TOP THREAD TENSION" it tells you that if you're having thread tension issues, change the tension control dial on the top of your machine from auto. It also shows you a diagram with your problem illustrated on the right side of the page. The bobbin tension is set at the factory, so all tension problems can be solved with top tension adjustment. Set it manually and if it loops on top, loosen the tension a little. Test again. Repeat until loops are gone.
Using different colours on top and bobbin and a contrasting fabric (e.g. black top, white bottom, light blue fabric) means you can easily see what's happening. A perfect stitch is when you see exactly the same stitch pattern on both sides of the fabric. On top, the bobbin thread colour appears between stitches as a tiny dot and on the bottom, you see the top thread dot between stitches.
If it's impossible to get the tension right, take it to a technician, because it's a sign that the hook timing needs attention.

Apr 21, 2015 | Singer 8763 Curvy

2 Answers

The bottom stitching looks like a line and not stitches the top stitching is fine


whether its bias or straight does not matter to machine. loosen the bobbin tension and put more tension on take up spring by inserting a screwdriver in the slot of the top thread tensioner. turn to right.

Dec 13, 2012 | Juki DDL8300N 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

The lower thread does not bring up , so that the uper thread does not come in contact with the lower thread .I hear unusaul noise while sewing.All these happend when I tried to sew a jeans .i used a thread...


As a general rule, domestic machines don't like buttonhole twist, that heavy yellow thread you see on the RTW jeans. Sometimes you can put it through the bobbin but use a regular weight thread on top but this means sewing upside down as you'll want the yellow on top. And lots of machines dont like different weight thread top and bottom so it just makes for awful stitching anyway.

Best solution to top stitch jeans is use a regular weight thread, large size jeans needle but thread up two spools of thread on the top with both threads going through the same needle eye. It still may not solve the problem though.

To your machine, firstly change the needle as it may be bent. Then unthread the machine and manually turn the flywheel through a stitch cycle and listen carefully, if you still hear a noise as the needle touches the rotary hook, you've knocked the timing out. Service man visit time.

Probably if you check the manual, it will say 50 weight thread, and you'll need to stick with that in the future.

Those big industrial sewing machines that they top sew jeans on are very different to a domestic SM, many make a chain stitch or fell the jeans seams and are very heavy duty.

Jun 05, 2011 | Toyota STF17 Sewing Machine

1 Answer

Upper thread brakes often. The baste stitch is way too loose on underside of stitched fabric. I have taken it for a ture-up ($65) at a sewing machine repair shop... and it still has these issues. This is...


It could be your thread is old, dry and brittle, always store out of sunlight and in airtight container to avoid this. You could try putting the thread into the fridge overnight to add a bit of moisture back into it. Or buy some new thread and try again. Also, always use same thread on top as in the bobbin, don't be tempted to just use an old bobbin of thread you have already as different colours and thread top and bottom will affect stitching quality.

If you are getting loops on the underside it also sounds like top tension is not right. Check dial is on 5, and always raise the pressure foot when you are threading up so the tension is open for the thread to go into.

Then lower the pressure foot and pull on the thread below the tension - it should feel firm when you pull it. Also revisit your threading up, it is possible that the thread is catching somewhere between the spool and needle causing it to break so check with your manual carefully to see if you have missed a threading eye.

Failing all of this, go back to the shop and ask them to watch you thread up and see if they can spot the issue.

Jun 01, 2011 | Husqvarna Sewing Machines

1 Answer

Bobbin tension?


Try threading the machine with the presser foot up to see if this will solve the problem.

When a sewing machine is threaded with the presser foot down, the thread cannot properly enter the tension. No tension control of the top thread and it cannot form a satisfactory stitch.

You might be able to find a manual for your machine at sewusa.com

Mar 01, 2010 | Toyota Sewing Machines

1 Answer

Stitches are not connecting top to bottom


Try re threading the machine with the presser foot up.

When you thread with the presser foot down, the thread/string cannot properly enter the tension control.

No control = looping stitching that pulls out.

If you do not have a manual, you may be able to download a free one at Brother's website.

Feb 22, 2010 | Brother Sewing Machines

1 Answer

Top thread doesn't pick up the bobbin thread (Toyota sewing m.)


Hi! This may sound silly, but if you changed your needle and put it in backwards (which is easy to do), the top thread won't pick up the bottom thread. Take your needle out and check the flat side of the needle shank--which way is it facing? With a lot of the newer machines, the flat side goes to the back, but check your manual to make sure.

Let me know if this helps, ok?

Happy Sewing!

Robbie

Feb 12, 2010 | 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

1 Answer

My four-year-old XL3500 seems to have a tension problem. It was sewing fine until after I refilled the bobbin, changed thread twice, and did some zigzag stitching. Now the top stitch is not correct; it...


according to the diagram in the manual, the upper thread tension is set by the wheel/knob on top and just to the right of the thread take up lever and thread guide. If you don't have a manual, go to www.brother-usa.com they have a downloadable manual for your machine.

Jun 04, 2009 | Brother XL-3500

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