Argh! Overlocker threading problems

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Argh! Overlocker threading problems Sarah Carter 11-12-2005
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Posted by Sarah Carter on November 12, 2005, 4:44 am
I've been trying to thread my overlocker for two days now without success
and I'm about to go mad so I'm hoping that someone can tell me what is
happening.

It's a Janome Mylock and I never seem to have any problems threading it
whatsoever so this makes it extra frustrating.

The two threads for undernath seem to be fine. The two top threads which go
through the needle however are driving me crazy!

I thread everything up fine, and test it on a piece of scrap material.
Everthing is fine. Even the tension is fine. I do another test to make
doubly sure that is ok and then one of the needles is somehow not threaded.
It isn't even the same needle each time.

The first time it happened, it was on the needle which was using wooly nylon
overlocker thread so I thought it must be a fluke accident where the thread
had snapped and the tail got caught up with the 3 threads that were working.
(the unthreaded thread is still moving along out the back of the machine
with the 3 correctly 3 threads that are stitching fine)

I tried again, and the needle using poly cotton thread did exactly the same
thing as the wooly thread did.

I tried it with just poly cotton thread. Same thing happened again with one
needle at a time.

This is a rethread afer one of my needles broke and I've changed both of
them. I'm sure it can't be possible that the needles have a hole in then for
the thread to escape, but it's the only think I can think of.

I've got my husband involved in the threading of the needles to try and
prove that I'm not actually going crazya dn he has come to the same
conclusion as I have. The overlocker fairies are out to get me as it didn't
like me making 3 skirts in one day, so the machine has gone on strike.

Can anyone advise me? It's probably something so amazingly simple but after
2 days of trying to thread it, I need to catch up on my work, hence my plea.

Sarah
--
i canb ty[p3 wei9th m6y n0s4e



Posted by Kate Dicey on November 12, 2005, 4:17 am
Sarah Carter wrote:

> I've been trying to thread my overlocker for two days now without success
> and I'm about to go mad so I'm hoping that someone can tell me what is
> happening.
>
> It's a Janome Mylock and I never seem to have any problems threading it
> whatsoever so this makes it extra frustrating.
>
> The two threads for undernath seem to be fine. The two top threads which go
> through the needle however are driving me crazy!

Sometimes they do that.
>
> I thread everything up fine, and test it on a piece of scrap material.
> Everthing is fine. Even the tension is fine. I do another test to make
> doubly sure that is ok and then one of the needles is somehow not threaded.
> It isn't even the same needle each time.
>
> The first time it happened, it was on the needle which was using wooly nylon
> overlocker thread so I thought it must be a fluke accident where the thread
> had snapped and the tail got caught up with the 3 threads that were working.
> (the unthreaded thread is still moving along out the back of the machine
> with the 3 correctly 3 threads that are stitching fine)
>
> I tried again, and the needle using poly cotton thread did exactly the same
> thing as the wooly thread did.
>
> I tried it with just poly cotton thread. Same thing happened again with one
> needle at a time.
>
> This is a rethread afer one of my needles broke and I've changed both of
> them. I'm sure it can't be possible that the needles have a hole in then for
> the thread to escape, but it's the only think I can think of.
>
> I've got my husband involved in the threading of the needles to try and
> prove that I'm not actually going crazya dn he has come to the same
> conclusion as I have. The overlocker fairies are out to get me as it didn't
> like me making 3 skirts in one day, so the machine has gone on strike.

Correct!
>
> Can anyone advise me? It's probably something so amazingly simple but after
> 2 days of trying to thread it, I need to catch up on my work, hence my plea.

Unthread the machine completely. Clean it. Sacrifice some new needles
to it. Thread it up, following the diagram in the manual... Test
carefully, destroying at least one complete yard of fabric in the
process. When everything is going fine, then:

Walk away from the machine. Close the door on it. Go eat some
chocolate/cake/ice cream... When you get back it will have stopped
sulking and you will feel better.

--
Kate XXXXXX R.C.T.Q Madame Chef des Trolls
Lady Catherine, Wardrobe Mistress of the Chocolate Buttons
http://www.katedicey.co.uk
Click on Kate's Pages and explore!

Posted by Sarah Dale on November 12, 2005, 5:37 am
Sarah Carter wrote:
> I've been trying to thread my overlocker for two days now without success
> and I'm about to go mad so I'm hoping that someone can tell me what is
> happening.
> The two threads for undernath seem to be fine. The two top threads which go
> through the needle however are driving me crazy!
> I thread everything up fine, and test it on a piece of scrap material.
> Everthing is fine. Even the tension is fine. I do another test to make
> doubly sure that is ok and then one of the needles is somehow not threaded.
> It isn't even the same needle each time.

Interesting problem Sarah. Here's a few things to try, but I don't
guarantee the results.

1) Check the needles are the right needles, in the right way round and
as far up the holder as they can go, and tightened up properly.

2) Make sure all your tension discs and thread paths are clean, and the
mass of gubbins under the stitch plate.

3) Thread the machine according to the instructions, making sure all the
threads go properly into the tension discs. Use long tails.

4) Check that none of the thread is getting caught round the cones /
spools / back of the serger (I've had that one before - leads to some
interesting results but not usually jumped needles)

5) Check the thread hasn't popped out of the guide on the top of the
machine between the overhead thread carrier and the tension disc - mine
seems to do that sometimes (in fact it did this on my new blouse last
weekend :( ).

6) Check the thread hasn't possped out of the tension discs (had this
happen before)

7) Watch the stich being formed as you hand wind the machine without any
material to see if you can see anything strange happening. Very
occasionaly I miss one of the thread points on my lower lopper path and
this causes strange things to happen and much swearing.....

HTH and my sympathy. I'mn sure someof the other more knowledgable people
will chip in with help.

When I was serging last weekend - just a wide 3 thread overlock on my
quilting cotton blouse, wizzing along at top speed, the needle broke!
Thats the first time thats ever happened, and has made me worried
something has gone a bit wonky........ I've run the machine since with
no apparent problems at a lower speed. I must check when I bought the
machine - I have a feeling it might just be just over a year ago.....

Sarah (in N. Wales)

Posted by Juno on November 12, 2005, 9:09 am
Sarah Carter wrote:
> I've been trying to thread my overlocker for two days now without success
> and I'm about to go mad so I'm hoping that someone can tell me what is
> happening.
>
> It's a Janome Mylock and I never seem to have any problems threading it
> whatsoever so this makes it extra frustrating.
>
> The two threads for undernath seem to be fine. The two top threads which go
> through the needle however are driving me crazy!
>
> I thread everything up fine, and test it on a piece of scrap material.
> Everthing is fine. Even the tension is fine. I do another test to make
> doubly sure that is ok and then one of the needles is somehow not threaded.
> It isn't even the same needle each time.
>
> The first time it happened, it was on the needle which was using wooly nylon
> overlocker thread so I thought it must be a fluke accident where the thread
> had snapped and the tail got caught up with the 3 threads that were working.
> (the unthreaded thread is still moving along out the back of the machine
> with the 3 correctly 3 threads that are stitching fine)
>
> I tried again, and the needle using poly cotton thread did exactly the same
> thing as the wooly thread did.
>
> I tried it with just poly cotton thread. Same thing happened again with one
> needle at a time.
>
> This is a rethread afer one of my needles broke and I've changed both of
> them. I'm sure it can't be possible that the needles have a hole in then for
> the thread to escape, but it's the only think I can think of.
>
> I've got my husband involved in the threading of the needles to try and
> prove that I'm not actually going crazya dn he has come to the same
> conclusion as I have. The overlocker fairies are out to get me as it didn't
> like me making 3 skirts in one day, so the machine has gone on strike.
>
> Can anyone advise me? It's probably something so amazingly simple but after
> 2 days of trying to thread it, I need to catch up on my work, hence my plea.
>
> Sarah
> --
> i canb ty[p3 wei9th m6y n0s4e
>
>
MY MIllie MyLock was giving me simialr problems and lots of grief. Took
her to the shop I bought her at and after an hour of fiddling the nice
lady found that the needles were not quite in place. they took a great
deal of loosing of the screws and a good hard shove. That might be your
problem.
Juno

Posted by Sharon Hays on November 12, 2005, 10:19 am

MY MIllie MyLock was giving me simialr problems and lots of grief. Took
> her to the shop I bought her at and after an hour of fiddling the nice
> lady found that the needles were not quite in place. they took a great
> deal of loosing of the screws and a good hard shove. That might be your
> problem.
> Juno


You'd be amazed how often needles are the source of all evil in a sewing
machine of any type. With a serger, even more often since they use more of
them than the average sewing machine, Boo-boo! ;)

Like several others have said, Sarah, change those needles again. Make sure
they are seated all the way in. Loosen your screws (that hold the needles
in) more than you think you need to. I will loosen mine almost to the point
that they come out. That way I know the hole for the needle shaft is
completely open.

What may have happened.....I don't like woolly nylon in the needle. The eye
on the loopers (down below) is bigger than an average machine needle's eye.
So woolly nylon will pass through there fine. But I've seen it hang up in
regular needles. (Whacha making with woolly in the top??? Sounds
interesting!) If I were going to bet money on what happened, I'd guess
woolly nylon snagged in the needle and broke out the side of the eye. Then
when you changed the needles, you were ticked at the whole thing, went
quickly and didn't get the new needles seated all the way. (wanna ask me
how many times I've done that??? I try to remind myself it's like dealing
with a toddler having a hissy fit. Doesn't do any good to get mad. Just
remain calm and work the problem. Promising myself a glass of wine for
after I win the battle also helps LOL) Then with the needles not in all the
way, it's easy for one to break or bend. And you might not be able to see
the break either. It very well could be in the side of the eye. I took a
magnifying lense to one once. Yep sure enough, the side of the eye was
cracked and thread could pass through.

My rule of thumb with all my machines is if there is a problem, and it's not
obviously something else (like thread is caught on the spool or the
machine's unplugged, etc.) I change the needle(s) first. 9 times out of 10
that's it.

Good luck!

Sharon



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