DenimHead

Thanks for the response. This dial did hold correctly in the recent past, so something has change so cause it to slip. You're right, it does look just like a Consew dial. The Econosew is probably a clone of a Consew.

Thanks for your answer. I will check the end of the plunger. There is no spring on the back of this dial and nothing pressing against it to cause pressure.

I am repairing an Econosew long arm, and the stitch dial will slowly turn to the left when I sew (meaning the stitch length will gradually get longer). I have taken off the dial and nothing seems wrong. I have taken off the top access plate and back access plate, checked the set screws and bolts and all are tight. The fabric thickness has not changed. I cannot identify why the dial turns as I sew. Has anybody had this experience or know why it could be happening?