I had the same problem with the blue thread- it would sew and inch then pop- mine worked wihtout breaking after I re threaded in this order: green, blue, red then yellow
I just purchase this Serger Brother 1034D, it work perfect until i needed to change the thread, then I had the same problem It broke the blue thread, I had attached as seen in the video and it broke anyway. After that I did as told by thehoffaman. I start from the beginning and I re threaded in this order: blue, green, red then yellow and is working perfect
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Lower your tension. Should stop it from breaking. If that doesn't help, then re-thread
You either have a burr on one of the loopers, or you have threaded the loopers in the wrong order. I do not have this particular serger, but with mine, if I the lower looper thread is looped above the upper one(down where they all meet), it will break. Cut your lower looper thread and re thread it making sure its above the lower looper one.
1. INITIAL SEWING SPEED IS TOO FAST - START WITH MEDIUM SPEED.
2. UPPERTHREAD PATH IS INCORRECT - USE THE PROPER THREAD PATH.
3. NEEDLE IS BENT OR DULL. REPLACE WITH A NEW NEEDLE.
4. UPPER THREAD TENSION IS TOO STRONG - ADJUST UPPER THREAD TENSION CORRECTLY (= 4)
5. NEEDLE SIZE IS INAPPROPRIATE FOR FABRIC - USE APPROPRIATE NEEDLE AND THREAD FOR FABRIC.
6. NEEDLE EYE IS WORN. CHANGE THE NEEDLE.
7. NEEDLE HOLE IN NEEDLE PLATE IS WORN - REPAIR THE BURRED HOLE OR REPLACE THE NEEDLE PLATE.
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Thank YOU!!! My mom is serging again! :o)
I have the same problem, I have jsut bought a brother overlocker and the blue lower looper keeps on breaking. I have followed the manual and pcitures for threading it and I am now at a loss.
Mine also. I thought it was me. I'm sending it back.
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