PR655/PR655C
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常見問題&故障排除 |
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PR655/PR655C
日期:04/03/2009 ID:faqh00000316_000
Why does the needle keep breaking?
There could be several reasons why the needle keeps breaking.
- Make sure the needle is correctly inserted with the flat side facing the back and pushed up into the machine as far as possible.
- The needle could have been damaged or bent. If so replace with a new one.
- The upper thread could be installed incorrectly. Rethread the machine according to the instructions in the manual.
One Point Advice Upper threading
- The upper thread tension could be set too tight. Set the tension to the best thread tension setting or less.
- The thread density of the embroidery data is too fine. Three or more overlapping stitches are being sewn.
Using a data design system, correct the thread density and overstitching settings in the embroidery data.
- A bobbin designed specifically for this machine is not used.
Be sure to use the correct bobbin.
- A needle is incorrect. Be sure to use the embroidery needle.
- In the cases shown below, consult nearest authorized Dealer or Service Center.
+ The area around the hole in the needle plate is damaged.
+ The needle hits/touches the needle plate.
+ The presser foot is set too high and not correctly positioned. The needle hits/touches the presser foot.
+ The area around the embroidery foot hole is damaged.
+ Sliding surface on hook race is not smooth. There are scratches or burrs on it.
+ The hook is not correctly installed.
+ The hook stopper is not correctly installed, the hook is making a complete rotation.
+ The needle and the hook are not correctly passing each other.
+ There is backlash play (forward/backward) in the needle bar case.
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