[amayausers.com] Re: long stitch skips
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- Date: Sat, 31 Jan 2009 16:10:09 UT
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Greg,
Your problem is a difficult one to diagnois because of the varibles involved.
As a tech I approach this from the 'process of elimination' standpoint.
It would start with checking all of the critical functions of the machine. This
includes many items all involved with timing issues. Z-axis timing, hook
timing, X-axis cable tension, threadfeed motor/computer values to see if the
proper amount of thread is actually being fed correctly, the condition of the
Take-up Lever Cam Disk which would be an extremely important item and the list
would go on. And then there is the lubrication question?
How old is this machine? How many total stitches have been put on it? When was
the last time the Take-up Lever Cam Disk was lubricated? The pop-up timers are
only guidelines to go by and my personal opinion based on experience is, if you
are waiting for the timers to tell you to lubricate someting, you are waiting
too long. The timers cannot calculate into the equation the individual
environment the machine is exposed to, such as heat, humidity, non-run time,
i.e., oil/grease drying up, etc, etc...
The Amaya's were designed to run with Organ brand DBX-K5 needles and something
as simple as this can/may make the difference in the operation of this machine.
The proper orientation of the needles and the correct needle depth setting
would also have a direct effect on this issue.
I know you say that you checked hook timing and even replaced the hook.....not
questioning your mechanical ability but did you use the "closest needle" to
time from, how close is the needle guard gap set? The closer this gap is, the
better the machine will sew at higher speeds, which is just one of the
benifits...Did you reset the Retaining Support Finger gap using the guage? Did
you check, with a magifying glass, the face of the retaining support finger for
nicks, gouges and/or burrs as this could deffintly cause you some grief?
As you can see, too many varibles, it may be time to cry 'uncle', bite the
bullet and let a tech go over the machine with a fine tooth comb....have you
called Melco?
Rod Springer
Amaya Tech & Trainer
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