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ADJUSTING THREAD TENSIONS
Thread tensions will vary according to the type and thickness of both thread and fabric.
Adjust the thread tension of the machine accordingly while checking the seam.
Thread tension: Turn dial toward smaller numbers, tension becomes loose.
Turn dial toward larger numbers, tension becomes tight.
B: Right needle thread
tension dial
D: Lower looper thread
tension dial
C: Upper looper thread
tension dial
A: Left needle thread
tension dial
Correct thread tension
Right needle thread
Left needle thread
Lower looper thread
Back side
Upper looper thread
6 mm (0.24”)
