Question about Janome MyLock 634D Mechanical Sewing Machine

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Mylock 634D Hi there! I am experiencing some problems with my stitch consistency when I am 3-thread flatlocking on my mylock 634D. The fabric facing me gets stitched properly but when I turn it over the back stitching is rolling, looks like a snake. I have set and reset my tensions and cannot pin point the problen, any suggestions? It used to stitch fine. Does this type of serger need to be clibrated or reset after a lot of use?

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The maintenance and repair are recommended every year at a sewing center.

Posted on Mar 19, 2010

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1 Answer

How do I get my Janome RE 73 over locker to make stitches. It was working fine and although it's still threaded and power going through it just stopped making stitches


Is something jammed? Does it move at all? Pull out the threads and check all tensions for a blockage. Does it move at all when not threaded?

May 29, 2014 | Janome MyLock 634D Mechanical Sewing...

1 Answer

Tension to loose and missing stitches


SKIPPED STITCHES ON A SERGER
1. Is the needle bent or worn--replace
2. Is the needle inserted correctly into the needle holder--check needle
3. Is the Serger threaded correctly--rethread
4. Is the presser foot pressure right for the fabric--adjust

use a scrap piece of fabric to sew on as you adjust the tension
when the tension is to loose adjust one number higher till stitch
looks good

here's 2 links for a manual one is a hardcopy & the other is a
pdf downloadable--one is a different price from the other
http://www.sewingpartsonline.com/instruction-manual-janome-mylock-634d.aspx

http://www.sewingpartsonline.com/instruction-manual-janome-mylock-634d-download.aspx

Sep 08, 2012 | Janome MyLock 634D Mechanical Sewing...

2 Answers

I've just got janome 634d serger, how can i make the bottom of a T-shirt ? Thank you so much


If you want the bottom of the T to look like RTW with the double row of stitching, you cannot do this on a serger.

You can achieve the effect by using a twin needle, two spools of thread, bobbin and a straight stitch.

Make sure the double/twin needle will pass through the presser foot and opening in the needle plate below the presser foot.

Practice on a double layer of a scrap of the T shirt material as the tension may need to be slightly looser than the normal setting.

Apr 05, 2010 | Janome MyLock 634D Mechanical Sewing...

1 Answer

Letture leaf edging


From "Serge With Confidence" by Nancy Zieman:

Set the machine up for a 3-thread rolled edge. Normal width; length 1 - 2.

Use Woolly Nylon in the loopers & regular thread in the needle.

Lock or disengage the cutting blade.

Guide fabric along the right edge of the presser foot.

Stretch and equal amount from fron to back while serging.

Lower the differential feed, if available to about 0.6.

Serge at a slow to moderate speed.

Practice with scraps first.

After serging, gently stretch & release the fabric edge after serging.

Apr 01, 2010 | Janome MyLock 634D Mechanical Sewing...

1 Answer

Jumping stitches.


Replace the needles and choose size according to the thickness/weight of the fabric you are serging.

You may have to re-thread, here is a video from Threadbanger - http://www.allbrands.com/products/abp08027.html

Mar 02, 2010 | Janome MyLock 634D Mechanical Sewing...

2 Answers

How do I overlock stretch fabrics so the stitches won't break when the fabric stretches?


I suggest also setting the stitch length to about 2 (very close together). When the stitch is shorter, it seems to be able to give a little more. I also use woolly nylon, but I still had the problem (especially when hemming). This is how I solved my problem....

Jan 24, 2010 | Janome MyLock 634D Mechanical Sewing...

2 Answers

Machine is threadedand makes the serger chain for


My janome 634D driving me crazy . I have tread it properly and it wont stitch ?

Nov 06, 2009 | Janome MyLock 634D Mechanical Sewing...

1 Answer

Mylock 634D looping left needle stitches


Make sure the thread is in the tension disks. Do this by pulling the thread backwards towards the spools. Also set the tension on zero and check for any fluff, or thread that is stuck in the disks, preventing them from closing properly. Good luck

Jan 09, 2009 | Janome MyLock 634D Mechanical Sewing...

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