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Thompson Mini Walker loose stitches

Printed From: Sailrite Enterprises, Inc.
Category: Sewing Machines
Forum Name: Home Sewing Machines
Forum Discription: Using home sewing machines
Printed Date: 11 August 2022 at 4:44pm

Topic: Thompson Mini Walker loose stitches
Posted By: steelguitars
Subject: Thompson Mini Walker loose stitches
Date 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!

Posted By: MattGrant
Date 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

Posted By: Tejas
Date Posted: 22 August 2018 at 3:37pm
Look for the attachment sewing-troubleshooting-chart.pdf that includes a section on loose stitches in the thread below. The link to the pdf is my second post.

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