1. Set the stitch selector dial to stitches”1,2,or 3”
2. Insert the twin needle in the same way as a single needle.
3. Follow instructions for single needle threading .To thread the left needle
,pass the thread through the left side of the needle clamp screw. To thread the
right needle, pass the thread form the right side of the needle clamp screw.
Troubleshooting guide
1.Incorrect threading;
2.Thread is over tensioned;
3.Thread is too thick to the
needle;
4.Sewing needle is inserted
incorrectly;
5.Defective bobbin;
6.Damaged needle.
1.Re-threading;
2.Reduce tension;
3.Choose a bigger needle;
4.Remove and reinsert the
needle;
5.Replace with a better bobbin;
6.Replace with better needle.
1.Sewing needle is inserted
incorrectly;
2.Damaged needle.
3.Incorrect size of needle;
4.Improper cooperation of
presser foot;
5.Threading didn’t follow
requirement.
1.Change needle and reinsert;
2.Replace with good needle.
3.Choose a needle appropriate to
thread and texture.
4.Check and correct presser foot
configuration.
5.Re-threading according to the
above correct method.
1.Damaged needle;
2.Sewing needle is inserted
incorrectly;
3.Incorrect size of needle
(for texture);
4.Improper cooperation of
presser foot;
5.Over tension of thread
feeding;
6.It is forbidden to pull the
fabric
strongly during operation;
1.Replace with good needle;
2.Insert needle correctly (flat part
backwards)
3.Choose appropriate needle;
4.Install presser foot correctly;
5.Adjust appropriate tension;
6.Do not operate like this;
7.Re-threading according to the
above correct method.
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