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How to solve the jumper of sewing machine
2024-05-24
To solve the problem of the jumper of the sewing machine, the following methods can be used:
Adjust the pressure of the presser foot: If the pressure of the presser foot is not enough or too large, you can try to adjust the pressure of the presser foot.
Replace the needle: Check whether the needle is too thin or too thick, and replace the appropriate needle if necessary.
Replacement parts: If the jumper is caused by severe wear of the hook mechanism and other parts, the relevant parts should be replaced.
Adjust the pin plate and presser foot: If the pin hole of the pin plate is too worn or the bottom of the presser foot is worn, the pin plate and presser foot should be replaced.
Check the wiring and needle bar: make sure that the length of the shuttle wire is appropriate, the bottom line is not stuck, the screw of the needle bar connecting the shaft is not loose, and adjust the height of the needle bar if necessary.
Check the shuttle and needle: If the shuttle is worn or the needle is of poor quality, the shuttle and needle should be replaced.
Check the fuselage location: Make sure that the needle direction is correct and in place, especially for the aircraft with specific slope requirements.
Use anti-jumper presser foot stickers: stick anti-jumper presser foot stickers at the bottom of the presser foot to reduce jumper phenomenon.
Adjust the crochet gap: If the gap between the left crochet and the right crochet is too large, adjust the screw of the left crochet to make the gap appropriate.
Through the above methods, most of the jumper problems can be effectively solved. If the problem persists, further inspection and repair by professional maintenance personnel may be required.
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