[amayausers.com] Re: Tech..What should they Check?
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- Date: Mon, 27 Apr 2009 14:50:43 UT
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Hi Fab,
I am also a 3rd party Melco and Trainer and have been following this post.
Here is what you need to do at this point to determine if it is a machine issue
or a design issue. Just as the Melco engineers do, you must create a baseline
from which to start from. Fortunately Melco has done this for you. It is called
"test" designs.
These designs are found in C drive, Program Files, Melco Embroidery Systems,
Amaya, Test Designs. If you are using Version 9 software, then you would just
use "Melco" in place of "Melco Embroidery Systems". These designs are called
Ampass, Amtrim, Columbine Flower and a Cap Test design.
Set up your machine "exactly" as follows....
Hoop up 3 pieces of Cut-a-way backing in a 44X30cm jacketback hoop. DO NOT use
any tear-a-way. Tear-a-way has limited uses for the most part and has caused a
lot of grief for newcomers to the embroidery world. Misuse of it will result in
a tremdous amount of fraying and thread breakage. Hoop these pieces as tightly
as you can get them. No floppy-ness allowed. I sometimes lightly spray some
adhesive spray between the layers of backing, but tight is the key here.
Now to the machine....
Because we have no real way of knowing how well or when the machine was last
lubricated, wellll....assuming in this case or taking their word for it would
not be the wisest thing to do. Now having said that, I am going to have to
assume that your "Hook timing" has been checked and is adjusted properly. I am
also going to assume you are using Version 7.00.xxx software???
It would be nice to know that ALL of the rollers, both the red pinch rollers
and the yellow threadfeed rollers are well lubed. The needles bars are freshly
oiled. Add some oil drops(say 15 drops for now)in the reciprocator slot. Oil
the rotary hook. I would even go so far as to lube the Take-up Lever Cam Disk
in your case. Go into Settings, Timers and step through the 10 million stitch
timer to see how to acomplish this procedure. Take off the needle plate and
clean and re-oil the trimmer mechanism. I cannot stress how important it is to
have the machine well lubed to establish a baseline. I know all of this seems
like such a pain, but it is the only way to find out what is going on. It is a
process of elimination.
Set your presser foot all the way down and back up one click. This is important.
Make SURE that there are NO burrs on ANY of the needles.
Make SURE that ALL needles are oriented properly. This means that the GROOVE
down the front of the needle is turned slightly 5 to 10 degrees to the RIGHT!
Never to the left. I use a lighted magnifying glass to see this clearly.
Under Settings, Threadfeed, make sure the "Auto Lower Limit" is at it's default
of 1 to start with. Just click on the restore default button. In this case we
will start by using Auto Activ-feed, not "Standard" Activ-feed.
Clean your bobbin case, under the leaf spring and set bobbin tension to be
snug..you should have been shown how to do this correctly.
Set the machine speed to 1200spm.
Juli is right. Melco thread is ARC thread and is not associated with Isacord.
The thread must be known to be of good quality. Do not use any rayon thread for
this test.
Load up Amtrim to start. This design is for testing the trimmer operation. Set
colors 1 through 16 and it will color wrap for the rest of the colors in the
design. Document failures and what needle(s) they are on and what kind they
are, frays, breaks, false breaks, etc....
and what needles they accur on.
Then run Ampass. Set the colors the same as Amtrim. Honestly, you should be
able to run Ampass, IF and only IF eveything above has been followed to the
letter, with 4 or 5 or less thread breaks. Document all of the failures, if
any, what needles, etc.
If the machine will not run Ampass sucessfully, when it is well lubed and all
of the settings are correct, then there is probably a machine problem. If it
does, then you need to look at it being a design problem when doing a personal
design. You also must eliminate the possibility that the wrong backing is/has
been used or not enough backing is being used, that hooping is not tight
enough, etc, etc....
Please let us know how this goes....
Rod Springer
Amaya Tech & Trainer
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