[amayausers.com] Re: Tech..What should they Check?

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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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