How to solve common sewing machine problems.
For Singer White Omega Bernina Necchi JANOME Juki Alfa Euro-Pro and much more
Causes of common minor difficulties.
Needle ( Upper ) thread breaks
May due to the following reasons:
1- Needle is inserted incorrectly.
2-Needles thread is improperly threaded.
3-Needle thread tension is too tight.
4-Needle thread is of wrong quality for the material being used.
5-Needle thread has knots.
6-Needle eye is rough or sharp.
7-Point of needle is damaged ( bend over) or blunt.
8-Stitch hole in the needle plate is rough or sharp.
9-Needle is too fine for the thread in use.
10-Machine started at full speed.
11-Machine is started with thread take-up lever not highest point.
12-Bobin case has rough spot due to being hit and damaged by needle.
13-Hook ( Shuttle) has rough or sharp spot.
Bobin ( lower) thread breaks
May due to the following reasons:
1-Bobin thread tension is too tight.
2-Bobin is wound unevenly.
3-Bobin is too full and binds in bobbin case.
4-Dirt or lint in bobbin case.
Needle Breaks
May due to the following reasons:
1-Pulling fabrics to or from you in such a manner that the needle strikes needle plate.
2-Insufficient pressure on presser foot.
3-Needle is bent or has a blunt point.
Skip stitches ?
May due to the following reasons:
1-Needle is inserted incorrectly.
2-Needle is bent or blunt
3-Thread is too heavy for size of needle.
4-Needle is wrong size for the material being used.
5-Insufficient pressure on presser foot.
Uneven Stitches ?
May due to the following reasons:
1-Presser foot is not resting evently ( fully ) upon fabric.
2-Feet dog is set too low.
3-Pulling the fabric instead of allowing it to be fed by the machine.
4-Stitch is to short.
5-Using too fine a needle with too coarse or uneven thread.
Heavy Turning or Jaming of machine ( balance wheel ).
May due to the following reasons:
1-May due to a loose piece of thread which has become wedged between hook ( shuttle ) and race.
IMPORTANT
It is possible that, after considerable use, some of the parts inside or underneath yopur machine will get out of adjustment. If, by referring to the
to the aforementioned probable cause , you are not able to bring your machine into work condition and obtain a perfect seam, do not try to repair the machine your self . Call your thrusted sewing machine dealer. He has excellent facilities and the technical knowledge required to bring your machine to perfect working order.
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Singerman12
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