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Forum LockedThompson Mini Walker loose stitches

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steelguitars View Drop Down
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    Posted: 22 August 2018 at 12:04am
Good evening, 

I've been having issues recently with my PW-500, the machine has worked perfectly for months but is now showing loose top stitches every few stitches, with nice stitches in between. I've replaced several needles and it seems to happen using size 16, 17 and 20 needles with vx69 bonded nylon thread. The thread is not bunching or gathering at the needle and I don't see or feel any burrs the bobbin assembly or needle plate. Any help is greatly appreciated. 

Thank you!
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MattGrant View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MattGrant Quote  Post ReplyReply Direct Link To This Post Posted: 22 August 2018 at 8:17am
Start with the simple stuff. Check to see if the center presser foot is pushed all the way up on the shaft. To do so loosen the screw, push it up and then tighten the screw. Next check to make sure the center foot is coming up during operation of the machine. Basically what should happen is that the outer foot should come up about 3mm at its highest point and then the center foot about 2mm in an alternating fashion as you run the machine. Do this with the feet down. Also check the cap spring that is just under the needle plate on the retaining ring. If is has any burrs replace it. Good luck!
Best Regards,
Matt Grant
Sailrite
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Tejas View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tejas Quote  Post ReplyReply Direct Link To This Post Posted: 22 August 2018 at 3:37pm
Look for the attachment sewing-troubleshooting-chart.pdf that includes a section on loose stitches in the leatherworker.net thread below. The link to the pdf is my second post.

http://leatherworker.net/forum/topic/67749-can-ya-help-a-girl-out/
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