Adjusting Thread Tensions - Siruba HSO-747D Instruction

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
C: Upper looper thread
tension dial
tension dial
D: Lower looper thread
A: Left needle thread
tension dial
tension dial
Correct thread tension
Right needle thread
6 mm (0.24")
Back side
Left needle thread
Lower looper thread
Upper looper thread
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