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The cams/gears that engage the specialty stitches don't work. May be stripped. How do I get replacements. I don't know the name or part number.

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  • Sewing Machines Master
  • 1,860 Answers

Contact a sewing machine shop in your area, and tell them what you need and see if they can order it for you.

Posted on May 29, 2015

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Posted on Jan 02, 2017

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I have a Janome Newhome 672. Cleaned and oiled it, works great. But, the decorative stitches will not form correctly. The reverse is not engaging. How can I fix this. Also, the button hole knob h


In most cases Laurie, with decorative stitches selected some machines can't sew in reverse. Your stitch length is too long or too short to make the decorative stitches sew correctly. So many things could be wrong. I'd need more info to get you going again.

Cheers,
Kelly
San Diego, CA
Embroidery Services

Oct 22, 2014 | Janome Sewing Machines

1 Answer

Supply of new stitch cog for Bernina 830 Record


I don't know what a stitch cog is by your definition but I suspect that you may be referring to the cam stack worm gear, part # 310 007 03. These gears are available, however those produced and sold as after market parts online have ranged from bad to very bad. I would suggest that you find an OEM part (not a reproduction) that are still available from time to time on EBAY etc.
Changing the gear is not as straight forward as it may look. The proper replacement requires: 1. removal of the cam stack without damaging the machine parts, 2. removal and installation of the new gear with the correct alignment of the individual cams, 3. installation of the cam stack and pattern indicator without axial play, 4. correct parabola timing of the main-shaft worm wheel and cam stack gear, 5. synchronization of the zigzag and automatic cam parabolas, 6. pattern indicator timing, 7. checking and adjusting the automatic needle position. SewTechnical Home

Jun 14, 2014 | Bernina Sewing Machines

1 Answer

Stitch selection 3,5,6, and 7 stopped working on my bernina sport 801. These selection all become stitch type number 4


the gear or cam that makes these stitch or stitches could be worn or damaged, the part would have to be replaced.

Sep 07, 2013 | Sewing Machines

1 Answer

My machine will not zigzag. Width setting on on1 length setting on widest


You need to take the width setting up to 4 and length down to 2 or less if you want a close zig zag. You may not want it that wide but usually 4 is the maximum width.

There is probably also a stitch selector if your machine has several stitch patterns it can do. I've looked at an image at http://www.stevekraftrepair.com/uploads/resized-P9200750.JPG and it looks to me like the left hand knob on the front of the machine is the stitch selector and is colour coded in with the images on the front panel. I just can't make out which number is the zig zag, it could be the red number 4??? So you would put this dial onto the zig zag, then turn the other dial up to a wider stitch width and I am guessing that the little blue box lower down the case has the reversing button and the stitch length setting.

Usually it pays to turn the width to zero BEFORE you make changes to the stitch selector, most machines seem to like being treated this way, ie engaging cams inside the works.

Also, it is always a good idea to check what foot you have on before you start sewing a swing needle stitch just to make sure that you don't hit the foot with the needle. Some feet are designed for straight stitch only and have a little hole but obviously this is not going to work for a zigzag stitch.

I hope this is of help and that I have understood your problem.


Jun 11, 2011 | Necchi 3537 Mechanical Sewing Machine

1 Answer

I have a Viking sewing machine from the 70's. The cams aren't working correctly. I've had plastic parts and a metal ring replaced by a certified Viking repair person, but still not working correctly. ...


Was the inner zig zag gear replaced? To check this, look in the hole where the cams go. You should see the black plastic gear with 3 slots all the way around where the your cams lock on to. Look at the gear closely. You should NOT see any crack or splits in the plactic gear. If you do, then this why your go on properly.

Apr 25, 2011 | Husqvarna Viking 1

1 Answer

My elna has cams to upgrade the number of stitches it can do but I am unable to get them to work. I believe I have installed them correctly but cannot activate them.


Throughout the Swiss Elna range there were several of their top of line models that have the black cams for additional stitches and they all have an "Elnagraph" device in the top of the machine case where you insert the cams.

There are single cams where the needle just moves ffrom side to side while the fabric moves forward. And double cams where the needle moves from side to side while the feed dogs move the fabric forward and backwards to get a combination stitch. The trick is to get the Elnagraph to engage so the arm in it can "read" off the disc.

There are a couple of other knobs that you need to adjust to get the cam stitch though.

Star Series: (white machine with blue top) you need to put the stitch selector inside the elnagraph flap to "A" on the Star series and then stitch width to 4 and stitch length to the red A zone.
tally_girl_15.jpg
Air Electronic SU or Carina: you have 3 knobs from left to right - stitch selector (put it on 7) , stitch width (put it on 4, orange area) and stitch length (turn it around to the orange zone for the automatic stitches).

And on the early Supermatic the adjustments are a little different again.

And ALWAYS turn the stitch width and length dials back to zero, before you change the stitch selector, or pop out a cam.

I hope this helps you get your Elna stitching from the cam, there is a great Yahoo group called Elna Heirlooms too where there are lots of knowledgeable Elna owners and some files listing all the cam stitches.

Apr 10, 2011 | Elna Sewing Machines

1 Answer

I have a mORSE 6500 WHICH WAS MADE BY TOYOTA AND i have no idea how to install cams nor what tension setting or stitch length I would need


The tension will depend on the material (knit, heavy denim, etc). See this pdf for a description of testing and setting the tension: www.ca.uky.edu/HES/fcs/FACTSHTS/CT-MMB-213.pdf . Most of my sewing is on double knit fabric and I start with the tension on 4. (Turn the knob to the right to get a higher value and tighter tension). The stitch length depends on the material if you are basting (for test fitting or prior to installing a zipper, for example) or if you are sewing the seam. Basting uses a long stitch, about 5-6 mm (4-5 stitches per inch). Most seams for a mid-weight fabric use a stitch length of 3-3.5 mm (8-9 stitches per inch). See Table 1 here: http://www.dummies.com/how-to/content/making-machine-stitches-work-for-you.html for more details.

To insert the cams, open the top of the machine and identify the fixed cams in the machine. If another specialty cam is installed, you may need to remove it to put in another cam. My machine (a Singer) only has space for one specialty cam at a time. The cams are labeled with the stitch that they provide and the stitch indicator faces up on the cam stack. (For my machine that means that the tall ring of the cam is up.)

A You-tube video of using the Morse 6500 is available: http://www.youtube.com/watch?v=ksfZZyqO1eE .

I hope this helps.

Cindy Wells

Mar 31, 2011 | Toyota Sewing Machines

1 Answer

Machine Elna Supermatic 722010 When I sew with a single cam all works properly the problem comes with any twin cam, the upper cam follower has a spring holding it away from the cam, how do I get the upper...


tally_girl_2.jpg I don't suppose it would be so simple as setting the wheel inside the elnagraph to "A" to engage the automatic stitches? I've done it myself once or twice LOL.

Mar 29, 2010 | Elna Heirloom Edition 6005

1 Answer

Sewing Machine Problem


Check to see if the cam stack gear does not have a crack in it. The other problem is the cam engager lever is does not engage the cam stitches because it is gummy. To solve this, lift the lid and follow the lever to where it make contact, add a penetrant oil. More the lever back and forth as fast as you can and work the penetrating oil into the area. It should click back and forth and snap between the back and front V's. One is for the zig zag and straight stitches and the other is for all cam patterns. Once it is clicking and snapping back add regular oil. Thensew out your pattern stitches. If the machine binds then you could have a cracked cam stack gear and has to be change by a Bernina service center.
SewTechnologist

Apr 18, 2008 | Bernina Activa 130

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