After changing the cutting blade the shaft with the spring will not stay stable and the blade slips back stopped only by the stitch finger. I did move the cutter release knob when I changed the blade and now I'm having this issue. Any advice??
SOURCE: I have a White Speedy-lock model 234DE that is
Yikes, it does sound like it was knocked out of alignment. You have made sure all tension adjustments are right, correct? Hmmm there is not a whole lot else you can check. I would try that left needle to see if it winds correctly. If it does you know something was knocked off on that right needle. It may need to be professionally serviced at this point, it sounds like you have done all possible simple things that you can check...
Let me know what you find with that left needle and I will continue to research this.
Thanks,
Tim
SOURCE: When I cut 2 layers of towel fabric together .it
it would be better to buy new ones,,try sewingpartsonline.com or sewforless.com
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This is the moving cutting blade that is set in by a screw. It is attached to a shaft with a spring that can be pushed to the left and rotated to a position where the blade is disengaged. The small horseshoe shaped bracket (?) that holds the cutting blade fork end is what keeps moving.
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