Adjusting Thread Tension - Siruba HSM-2722 Instruction

ADJUSTING THREAD TENSION

Normal upper thread tension: 3 – 5
Upper thread tension may be adjusted
by turning the thread tension dial.
Fabric
Incorrect
Lower thread tension can be
increased by turning the screw of
the bobbin case slightly to the right
(clockwise). Turning it to the left
(counter-clockwise) decreases
tension.
- 15 -
Correct
Upper thread
Bobbin thread
Inside of fabric
Upper thread