Replaced Upper Looper - no stitches will hold - Help

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I broke the upper looper on my Singer Ultrlock 14SH 654 - I put in the
new one (expensive part - fyi)  and now no stitches will stay in the
fabric.  Maybe I have the looper in the wrong position?  Does the upper
looper glide in front or in back of the needles?

Any assistance is appreciated.


Re: Replaced Upper Looper - no stitches will hold - Help
snipped-for-privacy@aol.com wrote:
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In front.  And you'll need to set the timing.  Adjustments in sergers
are in parts of millimetres.  They are usually set using an electronic
timer.  This may need adjustment by a sewing machine engineer with the
right equipment.

--
Kate  XXXXXX  R.C.T.Q Madame Chef des Trolls
Lady Catherine, Wardrobe Mistress of the Chocolate Buttons
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Re: Replaced Upper Looper - no stitches will hold - Help
Actually it is looper positioning. Timing is entirely something else and
often confused. I do not know who is telling you those stories about
electronic timers but I would run away from them


--
Ron Anderson A1 Sewing Machine
PO Box 60, Sand Lake, NY 12153
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Re: Replaced Upper Looper - no stitches will hold - Help
Ron Anderson wrote:

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I think I meant factory set.  I know my engineer *has* one but usually
doesn't use it, or only starts with it and then moves on to experience...

I was also thinking that enough force to break a looper would mean that
one would at least need to CHECK the timing!

--
Kate  XXXXXX  R.C.T.Q Madame Chef des Trolls
Lady Catherine, Wardrobe Mistress of the Chocolate Buttons
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Re: Replaced Upper Looper - no stitches will hold - Help
Timing adjustments on a serger are RARE. I have done one in 28 years. Looper
positioning on the other hand is very common.
Every one uses "Timing" as a catch all phrase in the sewing machine world. I
guess people seem to relate to it. I have worked at shops and seen others
tell people it was a timing issue, in reality they had the needle in
backwards.
I have never seen nor heard of an electronic device used on a serger or
sewing machine for timing adjustments or checking. I can not even see how it
would be possible to use such a device even if it did exist. people say all
sorts of things to add value to what ever it is they are selling you.


--
Ron Anderson A1 Sewing Machine
PO Box 60, Sand Lake, NY 12153
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Re: Replaced Upper Looper - no stitches will hold - Help
Ron Anderson wrote:

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That I can believe!  In all the crashes and accidents I've had with
sewing machines and sergers

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Oops!

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I think it was for measuring looper positions and clearances rather than
timing as such...  Light/laser measuring device, I believe, now I come
to think about it.  Measures in microns, anyway!  Just a part of a more
general discussion on the innards of sergers and why my sewing machine
engineer (respected throughout the UK - we have a long time professional
relationship: about 20 years parts and servicing without complaint, and
8 machines, both new and used) no longer services industrial sergers,
except for older customers.  I don't always remember all the details he
comes out with!  I think he was advising me not to get an industrial at
the time: he knows my house and it really isn't suitable.

I need you to make me think and remember more clearly!  ;)
--
Kate  XXXXXX  R.C.T.Q Madame Chef des Trolls
Lady Catherine, Wardrobe Mistress of the Chocolate Buttons
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Re: Replaced Upper Looper - no stitches will hold - Help
Kate Dicey wrote:

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AKK!  The either ate half a paragraph!  It should continue: I have NEVER
had a timing problem, except with the Lily, when a thread caught deep
inside played merry hell with one of the little servo motors (have I
remembered that right?  One of the internal gizmos, anyway!) that
control the fancy stitches tried telling us it was distressed and wanted
out!  Taking the tension to bits and clearing a bit of thread, plus a
general service and internal clean fixed it, and I've had no trouble
since.  I let the OSMG do it as the machine was still within guarantee.

To see what I can do with a sewing machine crash, take a peep here:
http://www.diceyhome.free-online.co.uk/KatePages/Costuming/Dickens/pincrash.JPG
and here:
http://www.diceyhome.free-online.co.uk/KatePages/Costuming/Dickens/pin2.JPG

Once the needle was changed in each case, there was no further problem,
and Lily carried on as sweetly as ever.  Not that I'd recommend this
action to anyone...  ;P

Hm...  Must remember to book a service for Lily when the present project
is complete.
--
Kate  XXXXXX  R.C.T.Q Madame Chef des Trolls
Lady Catherine, Wardrobe Mistress of the Chocolate Buttons
We've slightly trimmed the long signature. Click to see the full one.
Re: Replaced Upper Looper - no stitches will hold - Help


--
Ron Anderson A1 Sewing Machine
PO Box 60, Sand Lake, NY 12153
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Re: Replaced Upper Looper - no stitches will hold - Help
I've chopped a few pins in half too...  Bad Katie!  Mostly, I admit,
because I didn't find them all in gathers.  I've started using bigger
pins with bright glass heads whenever possible.

I often sew over pins, mostly without hassles.  It's best to do it
slowly.  Big pin crashes like these happen when I'm tired/in a
hurry/stressed to carelessness.  The Huskylock ate the pins just fine,
but I did need to replace both blades after a while.  Look, I already
admitted too killing that poor thing through hard slavery and severe
abuse!  The new ones will get more loving care, I promise.

The Lily doesn't have a thread sensor, but I have used some odd and
strange threads in it.  Metallic threads can be particularly okkard and
ornery, even with a metallic embroidery needle.
--
Kate  XXXXXX  R.C.T.Q Madame Chef des Trolls
Lady Catherine, Wardrobe Mistress of the Chocolate Buttons
We've slightly trimmed the long signature. Click to see the full one.
Re: Replaced Upper Looper - no stitches will hold - Help


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Laser measuring device I can see, even if I would not subscribe to it. Even
these old eyes can still see clear enough, with a nit of help mind you to do
it by site. That and a machinists scale are all that is needed. Some
companies tout gauges you just out in a gap somewhere and push the looper to
it. I am sure your technician is a fine one.



Re: Replaced Upper Looper - no stitches will hold - Help
Yes the looper must be positioned exactly. The needles fall behind the upper
looper, the left needle must enter inside the thread loop. The looper must
also clear the bottom looper just slightly and again inside the thread loop.


--
Ron Anderson A1 Sewing Machine
PO Box 60, Sand Lake, NY 12153
We've slightly trimmed the long signature. Click to see the full one.
Re: Replaced Upper Looper - no stitches will hold - Help

Dear dzrtblonde,

If your serger was working fine until the thread broke, did you
unthread the needles before rethreading the looper?  If not, that's
what's wrong.  You must always unthread the needles before rethreading
either looper.

Teri


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