Question about Janome MyLock 634D Mechanical Sewing Machine

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Left needle not working on MyLock 634D

I just got a gently used New Home Janome 634d serger and I can't get the left needle to work. The needle was broken but I replaced it with the exact name brand and size, so I cant imagine what else I am doing wrong. It will stitch maybe one or two stitches and then it just carries for a couple of inches and then randomly hits and misses again. Any thoughts?

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You needa new needle plate :)

Posted on Nov 07, 2008

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The needles required will be listed in your manual, if you don't have a manual then buy any needles recommended for sergers/overlockers. Or check on the Janome website.

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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

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Here is a manual - http://ifixmachines.com/Janome-Model-634D/View-all-products.html

The thread guide should be inside the door.

Lift the antenna and presser foot. Turn the tensions to zero, if possible.

Turn the handwheel so the upper looper is at the highest point - there may be a mark on the side of the serger to align with a mark on the handwheel.

Begin threading from the right to the left, beginning with the lower looper.

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

1 Answer

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Check that your lower looper is actually threaded and not tangled with the upper looper (needle thread) when it moves. I wish they'd include pictures in the manual how to lay the thread.

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I scanned my manual and it can be downloaded for free here.

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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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