7. CORRECT￿ USE

￿

￿-￿-￿. Thread take-up spring height

3958Q

￿-￿-￿. Thread take-up spring tension

Weaker

Stronger

3959Q

Loosen the set screw (1), and turn the entire thread tension adjuster to adjust the thread take-up spring height to between 4 - 6 mm in accordance with the material to be sewn.

Turn the thread tension stud (1) to adjust the thread take-up spring tension to between approximately 0.1 - 0.2 N in accordance with the material to be sewn.

￿-￿-￿. Adjusting arm thread guide

Index mark

0.5mm

3960Q

The standard position of arm thread guide (1) is when the screw (2) is aligned with the index mark.

The standard position for the arm thread guide (3) is when the clearance between it and the screw (4) is 0.5 mm as shown in the illustration.

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HE-800A