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I have a riccar diamond 829 it gives you loose stiches on the bottom

It has tiny loops underneath

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6ya6ya
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Posted on Jan 02, 2017

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bargainbox
  • 1388 Answers

SOURCE: I have a riccar 808 E I get loops on the bottom.

If you are using a standard top tension of 4 or 5 and this problem has developed over time, the most likely cause is lint deposited between the tension disks....... if the top tension is loose, or in the tension spring of the bobbin case if the bottom tension is having troubles. In either case you need to remove the lint...... 
Raise the presser foot and with a length of scrap fabric, use an action like flossing your teeth to get between the top tension disks......in extreme cases a probe (old needle) may be used very gently to remove thread and lint, but be VERY careful not to scratch the polished surfaces. 
I have also written a tutorial on tension balance which may be of further assistance, particularly for bobbin tension issues: 

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 !
 
 
 
 
www.bargainbox.com.au 

Posted on Jan 04, 2009

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  • 1 Answer

SOURCE: Bottom threads are big loops

I had the same issue! Check the little tray that holds the bobbin. I got very very frustrated with my machine, and even put it away for a year and a half. Look at the diagram of this part in the manual (you can get them at http://www.singerco.com/accessories/manuals.html free) and see if your looks exactly the same. Mine came (I don't see how it could have gotten jostled on it's own!) turned about 45 degrees counter-clockwise from how it's supposed to be. I unscrewed the metal plate - just removing the little plastic door to the bobbin area doesn't work - lifted out the tray (easy), turned it, and put it back in. Now the machine works perfectly! (as perfectly as can be hoped for a beginning sewer ...) I hope this works for you, too. Maybe a bad batch came from the factory?

Posted on Dec 18, 2008

  • 1 Answer

SOURCE: looping underneath

I watched a 'You Tube' demo that showed ........if you loosen or tighten the very small screw at the base of the bobbin this gives you the correct tension & stops the looping under the fabric........I didn't even know this screw existed ! It is trial & era at first re the correct tension but you do get there.... the art is to do it in small mini stages.....like you hardly move it ! Thanks to 'You Tube' I can now get on and finish my drapes !

Posted on Nov 24, 2009

  • 255 Answers

SOURCE: THREAD GET BUNCHED UP UNDERNEATH THE FABRIC

Hi Lou! This sounds like a tension problem--the tension on the top thread is too loose. Try using different color threads on the top and bobbin, then carefully rethread everything. Stitch a couple of inches and check the underside. If the top stitches look fine and the bottom ones are loose and loopy, and with the pressure foot down, tighten the tension. Move the knob or dial (whichever you have) just a little bit. Sew a couple of inches more, and recheck. Continue to sew and recheck, gradually tightening the tension, until you see little if any bobbin thread on the top or top thread on the underside of the fabric.

Let me know if this helps, ok?


Robbie

Posted on Jan 27, 2010

  • 1116 Answers

SOURCE: i do not have a users manual for my janomeHF107

Raise the presser foot before threading the machine.

What looks like a problem with the bobbin thread is usually due to the machine being threaded with the foot down.

Foot up - tension control opens; foot down - tension control closes.

When the tension control is closed, the thread cannot enter as it should and then cannot be controlled to form a proper stitch with the bobbin thread.

The Singer Sewing Co website has many graphics that are the same for all sewing machines - you can check there with regards to winding, inserting the bobbin into the case/shuttle and bringing up the bobbin thread.

Posted on Mar 02, 2010

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1 Answer

How can I fix the top stich


I like to adjust with 2 colors, then you know which is from the spool, and which one is from the bobbin.

Most bobbin shuttles have a small screw to adjust the tension.

It sounds like your upper thread is adjusted too tight, but only if the loops around it (from the bottom thread) are tight and small. If those loops around the top thread are loose, then you need to tighten the shuttle screw. ;)

I notice this happens to me if I change thread types, also if I sew different thickness of cloth on the same settings. I tend to adjust until the point of breaking thread, then loosen the top a teeny bit.

Sep 06, 2014 | Sewing Machines

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The top stich is loose on my Janome Harmony 8100, I have cleaned and changed bobbins, but nothing seems to help.


Ok, Let's understand exactly what is going on. You said. "the top stitch is loose." So that we are clear....do you mean that you are getting loops on top of the seam? Or do you mean that you are getting wiggly stitches on top and small loops on the bottom of the seam? It's important to know... Because loops underneath means the top tension isn't right. Maybe you didn't thread with the presser foot in the UP position... or your tension is dialed too low.

Now, if you are getting loops on top of the seam... that means the top tension is too tight. Loosen the top tension. Make sure your bobbin is inserted correctly. If loosening top tension isn't enough, you may have to tighten the tension screw on the bobbin case/ or bobbin carrier.

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The stich is not tight


CHANGE UR STICH SIZE AND TIGHT UR TENSION DISK

Apr 04, 2010 | Riccar R651 Mechanical Sewing Machine

1 Answer

THREAD GET BUNCHED UP UNDERNEATH THE FABRIC, THE STICHES SEEM TO BE INCOMPLETE THE TOP LOOKS GOOD THAN I TURN IT OVER AND THE THEAD IS BUNCHED AND LONG LOOPS OF THREAD ARE LEFT. THANKS LOU


Hi Lou! This sounds like a tension problem--the tension on the top thread is too loose. Try using different color threads on the top and bobbin, then carefully rethread everything. Stitch a couple of inches and check the underside. If the top stitches look fine and the bottom ones are loose and loopy, and with the pressure foot down, tighten the tension. Move the knob or dial (whichever you have) just a little bit. Sew a couple of inches more, and recheck. Continue to sew and recheck, gradually tightening the tension, until you see little if any bobbin thread on the top or top thread on the underside of the fabric.

Let me know if this helps, ok?


Robbie

Jan 27, 2010 | Singer Sewing Machines

1 Answer

Looping underneath


I watched a 'You Tube' demo that showed ........if you loosen or tighten the very small screw at the base of the bobbin this gives you the correct tension & stops the looping under the fabric........I didn't even know this screw existed ! It is trial & era at first re the correct tension but you do get there.... the art is to do it in small mini stages.....like you hardly move it ! Thanks to 'You Tube' I can now get on and finish my drapes !

Nov 23, 2009 | Riccar R651 Mechanical Sewing Machine

1 Answer

Sewing machine


This is the general rule of thumb.
Loops on the bottom, problem is on the top. Loops on the top, problem is on the bottom.

This is what you should try.. First of all, unthread the machine and start over. Just before threading the needle, put your presser foot down. If the thread pulls thru easily, it is not thru the tension wheel right. If you cannot pull the thread thru, thread the needle and try a few stitches.
Kelley

May 01, 2009 | Kenmore Sewing Machines

1 Answer

No bobbin tension


If the thread is loose on the bottom of the fabric, it's actually the top thread is too loose. Think of 2 little elves playing tug of war in your machine, one on toip and one underneath. If you have loops on bottom, the top needs to pull harder (tighten top tension)

Mar 18, 2009 | Kenmore 15516 Mechanical Sewing Machine

1 Answer

Singer 221-1 stitching is good on bottom but not on top


pucker is caused by too loose or, to tight adjustment of: the thread tensioners both the bobbin tensioner and, the needle tensioner need to be adjusted: to adjust the needle tensioner turn the side knob clockwise is tighter counterclockwise loosens; the bobbin tensioner is a tiny screw on the bobbin holder adjust both tensioners until your stich loops' both top and, bottom are tight but, the machine does not break the thread

Feb 16, 2009 | Singer Featherweight II 117

2 Answers

Tension problems


Hi, loops on top are signs of a loose bottom tension. There can be a number of issues. First put in a new needle. The bobbin should be in turning clockwise. This is going to take a few tries before it starts looking right. Get a tiny screw driver. There is a small screw on the bobbincase that the bobbin sets in. You will need to turn that screw 1/4 of a turn at a time until the stitches tighten up and the problem disappears.
Or its possible your not getting the thread threaded through the bottom tension spring correctly.

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