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7. Needle breaks
Make sure that...
the thread is an overlocker thread.
the needle is set correctly.
the thread is inside of the thread guide.
the needle is not bent.
Check or adjust the following settings
A.
2. Clearance between lower looper and needles.
B.
11. Clearance between needle support and needle.
C.
4. Needle height
D.
6. Timing of upper looper and lower looper.
E.
7. Clearance between upper looper and lower looper
8. Thread breaks on double chain sewing
Make sure that...
the thread is an overlocker thread
the threading is correctly
Check or adjust the following settings
A.
Feed dog height .
B.
Presserfoot height
C.
Sideways setting of presserfoot
D.
E.
Thread tension
9. Feeding is not correctly
Make sure that...
the stitch length is set correctly.
the pressure foot pressure is set correctly
the differential feeding is set correctly
Check or adjust the following settings
A.
9. Feed dog height
B.
Stitch plate isn't damaged.
C.
Presser foot isn't damaged.
D.
10. Position of upper / lower knife
10. Fabric is shrinking
104 72 49-26
Husqvarna Viking Huskylock 936
37
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