Question about Singer Sewing Machines

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Free manual for singer-touch & sew deluxe zigzag; seral number, AP 815478

I just want to sew a straight stitch and have no manual to adjust the correct button/slide bar with-out waisting time and thread. the model number says it's model 625, but cant find any listings that ever list "model 625. Thats why i included the serial #,to see if any listing came up. None did,still.

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R.A. Ellis

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  • Singer Master
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Posted on Dec 26, 2017

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bargainbox

Hassy

  • 1388 Answers

SOURCE: My bottom thread is loose when sewing a straight stitch

Please TRY the solution BEFORE giving your considered rating.




Ensure that all is clean and free of lint and jams, this is the most likely cause....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 Tesion 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 !


Posted on Jul 24, 2008

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Anonymous

SOURCE: Will not zigzag

Have the hook timing checked on your machine.

Posted on Oct 10, 2008

Anonymous

  • 1 Answer

SOURCE: Singer 5050

I was hoping you would have got another answer, I have a mechanical sewing machine ( Singer 5040) with the exact same problem. However, if i use the programed stitches I can sew a zigzag. If i do it manually and set the zigzag width to any width ( even the widest) I get only the same straight stitch, and no mater what length I select it is the same too, very close to gether about 1 1/2 inch stitch.
I took my entire maching apart to expose inside both top side and underneath, nothing apeared loose or broke and i oiled it up. I bought a new bobbin holder and still the same effect. So it has to be something serious is my conclusion...sounds like a trip to Sears to me...LOL

Posted on Oct 17, 2008

Anonymous

  • 87 Answers

SOURCE: FEW STITCHES DROP IN BOBBIN

Dropped stitches troubleshooting:
1>change to a new proper needle (proper needle means quilting needles for free motion, stretch needle for knits, leather needle for leather, microtex needle for micro fabrics.....etc.) of proper size. Most sewers never need a needle smaller then an 80/12 when sewing. Smaller needles bend more easily causing more problems.
2>If a new needle doesn’t fix the problem, remove parts from bobbin case area (as best as easily allowable) and clean out all the lint thoroughly, and oil with 2-3 drops of oil where friction occurs (turn hand wheel and look for rubbing)
3>If still skipping, try a different spool of thread (Yes, thread can caused skipped stitches, not common but I see it).
4>If you haven’t solved it yet, sounds like you could need to make a lower level adjustment like hook timing.
Hook Timing:
To time the machine, you want the tip of the hook to pass just over the top of the eye of the needle when the needle is in the left most or right most position depending on which side the eye of the needle will be higher

Posted on Mar 21, 2009

Anonymous

  • 1 Answer

SOURCE: Singer Touch Tronic 2001 Sewing Machine Stuck on Sewing Straight Stitch Only

I had a similar problem a couple of years ago. I finally figured out that I had the straight stitch needle plate (the one with the single hole), rather than the zig zag needle plate (the one with the curved hole). When I changed plates, it worked fine.

Posted on May 27, 2009

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1 Answer

The needle can't be turned backwards manually


The needle should only go up/down. Sewing forward or reverse involves the feed dogs grabbing and moving the fabric. On most sewing machines, you should never turn the hand wheel backwards. This can change the timing and damage the machine. Instead, try holding the Reverse lever or button then turn the hand wheel forward.

Since the sewing machine jammed with the needle bar at its lowest point, open the bobbin cover. If you see a loop of thread, try and slide that loop until it clears. If there are several loops around the bobbin/bobbin case, you might try carefully cutting the thread. If the fabric of your sewing project has been stuffed into the needle opening on the plate, try carefully clipping threads to loosen the jam.

If that doesn't work, then double-check that the bobbin winding mechanism isn't engaged. If the unit is still stuck, you might have damage to the various linkages/bearings between the hand wheel and needle bar. The problem may require taking the machine in for service.

I hope these ideas help. Please add a comment with the make and model of the sewing machine for further assistance.

Cindy Wells
(When you do get the needle bar to go up, you may want to change your needle. Also change the needle plate to the straight stitch plate if you are doing a straight stitch with a lightweight fabric.)

Aug 29, 2018 | Sewing Machines

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Singer 7462 buttonholer


try adjusting the size, see if it changes the result and go from there, you might also want to ask other experts, sewing machines are not my speciality.

Sep 28, 2008 | Singer 7462 Mechanical Sewing Machine

1 Answer

Upper thread always cuts. Straight stitch doesn't work. The upper thread always cuts. The tension is No. 3. The stitches is adjusted to no, 2. The fabric is thin, soft and Lacey . Please advice.


Be sure to install a brand new needle of the type suitable for the fabric you are sewing.
All About Needles

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwiJuN_Np6bMAhVJKWMKHSGmDvAQFggjMAE&url=http%3A%2F%2Fwww.schmetzneedles.com%2Flearning%2Fpdf%2Fschmetz-needle-chart.pdf&usg=AFQjCNHTR52AmqwzvyCjbXmD5Ch52Va5_Q

Use a thread that is suitable for the fabric. If you are sewing fine, light-weight fabric, use a fine thread--avoid old or bargain bin thread. Use the same upper thread in the bobbin.

When threading, always raise the presser foot so the thread will seat properly in the thread tension and verify that the thread path is correct (consult the manual).

Standard tension is usually the midway point between high & low number. The stitch length could be set a little higher than a 2--maybe a 2.25 or 2.5 for light fabric.

Since you are sewing fine fabric, it sometimes helps to use a removable stabilizer to give the fabric some extra body while stitching--perhaps a wash-away stabilizer if the fabric is washable.

Test your machine on scraps of the fabric you will be sewing. Re-adjust the tension as needed. The correct tension is when both upper and bobbin threads meet in the middle of the fabric.

If the thread continues to break, then there could be a burr or nick somewhere that is catching the thread and causing it to break. Could also be a needle/hook timing issue.

...

Apr 24, 2016 | Sewing Machines

2 Answers

My thread keeps bird nesting on the bottom of my fabric what am I doing wrong? What are the correct settings for a straight stitch?


Is your bobbin threaded correctly? You should be able to pull out the thread slowly while feeling it very slightly holding back. It should not pull out easily or quickly.
Could be something wrong with your tensions, try adjusting the upper tension first by starting at the middle setting and working gradually higher and then lower till you get a neat even stitch.

Nov 29, 2015 | Sewing Machines

1 Answer

What settings should I be using to use to make a straight stitch


Try setting the stitch length to 10-12 stitches per inch. Start with the top tension set at the mid-point between the highest and lowest number. Higher number usually means a tighter tension, lower number is looser.
Make sure you have installed the needle properly (the flat part of the needle should be placed facing the direction stated in your manual).

Be sure to raise the presser foot BEFORE you thread the machine (releases the tension disk). Check that you have threaded everything in the proper order and that you haven't missed any. (Consult your manual for specific instructions.)

Make sure your bobbin is installed correctly and turning in the direction indicated in your manual (some machine bobbins turn clockwise, others turn counterclockwise). Check that the bobbin thread has been pulled through the tension guide on the bobbin case.

After you have confirmed everything is threaded properly, then you can test sew. Turn the upper tension control slightly to either tighten or loosen according to your machine's needs. When the needle and bobbin threads meet in the middle of the fabric, your tension should be where it needs to be. BUT, remember that for every project, you may need to make slight adjustments as the tension for sewing denim fabric most likely will not be appropriate for sewing silk.

May 24, 2015 | Sewing Machines

2 Answers

How to adjust the bobbin tension.


According to the manual, you should not need to adjust the bobbin tension (and I located other sites which stated the bobbin tension cannot be adjusted on this machine). Apparently, all the tension adjustment is accomplished through the upper thread::
"EN Thread Tension Upper thread tension Basic thread tension setting: "4". (1) To increase the tension, turn the dial to the next number up. To reduce the tension, turn the dial to the next number down. A. Normal thread tension for straight stitch sewing. B. Thread tension too loose for straight stitch sewing. Turn dial to higher number. C. Thread tension too tight for straight stitch sewing. Turn dial to lower number. D. Normal thread tension for zig zag and decorative sewing. Correct thread tension is when a small amount of the upper thread appears on the bottom side of fabric. Lower thread tension The bobbin tension has been set correctly at the factory, so you do not need to adjust it. Please note: - Proper tension setting is important for strong seams. - There is no single tension setting appropriate for all stitch functions, thread or fabric. - A balanced tension (identical stitches both top and bottom) is usually only desirable for straight stitch construction sewing. - 90% of all sewing will be between "3" and "5". - For zig zag and decorative sewing stitch functions, thread tension should generally be less than for straight stitch sewing. - For all decorative sewing you will always obtain a nicer stitch and less fabric puckering when the upper thread appears on the bottom side of your fabric. 1 A B C 22 D"

Doing further research, I found this statement on a machine review site:
"After reading reviews online from where I've bought my drop-in bobbin machines, I think many of the negative reviews are due to the bobbin thread coming up without laying across the bobbin. It can cause the stitches to look very sloppy and no amount of tension adjusting can fix the stitches."

There are several machine review sites wherein 4423 owners stated their disappointment in the 4423's performance. Some said the machine failed almost immediately and others said the machines developed problems when sewing heavy fabric.

Apr 26, 2015 | Singer 4423 Sewing Machine

1 Answer

How do I get my sewing machine to sew with correct tension and straight stitches?


Over time, internal adjustments and servicing is required, at a sewing centers, service dept.
Take it in, have them look and repair, pay the nominal charge!
you will be glad you did!

Apr 16, 2015 | Sewing Machines

2 Answers

Bernina activa 210 won't zigzag and has bobbin issues on straight stitch


it's very possible that the machine is slightly out of time & needs to be service at a sewing machine shop
is the fabric & thread & needle compatable with each other?
did you use every thread guide when threading the machine?
is the bobbin in correctly?
is the bobbin warped?

Mar 20, 2012 | Bernina Sewing Machines

2 Answers

Model 7467. bought in april and it was working. now top and bottom threads will not form "stich". it is threaded correctly! took off face plate - nothing jamming up. machine made a clunking noise...


try changing the needle
check the top thread tension
check to make sure the bobbin is inserted in the bobbin case correctly
check to make sure the bobbin case is correctly inserted into machine

Sep 30, 2010 | Singer Confidence 7467 Mechanical Sewing...

3 Answers

JANOME RX18S


If it was sewing correctly BEFORE the needle break...why did the needle break in the first place?...and what fixes did you make?
If it sewed properly...what changed?

Cut your upper thread close to the spool...make sure the presser foot is raised and pull the cut off thread section through/out of the machine from the needle area (sewing direction...do not pull the thread backwards!)

Clean out the bobbin area...remove any traces of lint or pieces of thread...look for any broken off needle pieces... brush the bobbin area out....then add a drop of sewing machine oil (but only if your manual says to oil that area).

Remove the needle plate to expose the feed dogs...brush/clean out that area too and add a drop of sewing machine oil...then secure the needle plate back on.
Replace the needle...do it again...yup...some needles arrive bad from the factory. Make sure the needle is inserted and positioned properly. Then thread the machine WITH the presser foot in raised position. (The thread needs to get seated into the upper tensions.)
..with the.presser foot down...thread the new needle.
Oh...and use the correct needle for the thread. (a universal 80/12 is standard).
Thread can cause issues too. Try a different bobbin, or maybe a different spool of thread to see if that makes a difference.

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