[amayausers] Re: Identify a sound

Hugo,
I just did an observation of my hook timing last night and it looks as 
though it doesn't need any adusting so I left as is. I also realized my 
eyesight isn't what it used to be!!! I definitely need to invest in a 
magnifying glass and a headlamp would be good too. I check your suggestion 
out tonight. The sound is only at the start of sewing and disappears once 
the machine gets up to the set spm's. I plan on calling Melco on Friday when 
I have my office day and have them listen to the machine as it starts to 
sew. This noise is so distinct I would imagine they should be able to advise 
me on the problem.
Thanks,
Wendy
Itchin' To Stitch
MN

>From: HTorbidoni@xxxxxxx
>Reply-To: amayausers@xxxxxxxxxxxxxxxx To: amayausers@xxxxxxxxxxxxxxxx
>Subject: Re: [amayausers] Identify a sound
>Date: Tue, 8 Jun 2004 05:14:37 EDT
>
>Wendy
>
>Before you go changing settings on your machine such as hook timing check 
>the
>Under Thread Pressor (PN#10184-01) , it is mounted under the fixed knife
>which is located under the needle plate. The Under Thread Pressor (UTP) may 
>be
>slightly bent causing it to rub on the back side of the rotary hook. As the
>machine starts to sew you would hearing a clicking sound that would 
>steadily
>increase in frequency as the machine speeds up. it is almost always not an 
>issue.
>
>You can check this by removing your needle plate and then going to the
>maintenance menu / head timing menu, and clicking on Head up as you watch 
>the UTP as
>the hook rotates.
>
>If those two parts are making contact chances are this is where your noise 
>is
>coming from. It would probably be best to call MELCO and order a new UTP.
>
>  Again its not an issue that would affect the way the machine sews.
>
>If this is not it I would still not jump in and make adjustments to the
>rotary hook. Remember that you have 16 needles on this machine, one 
>adjustment to
>fix one issue could create others.
>
>
>
>Hugo Torbidoni

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