Elna International Corps. SA 3210 / 3230 Service manual
Needle Thread Tension
The standard tension should be 75 to 90 grams when the tension dial is set at "A" (Auto) for Model
3230 or at "4" for Model 3210, measured with a #50 white polyester thread being pulled at
approximately 50 mm/sec. If the tension is outside the standard range, adjust it as follows.
(Make sure the foot is lowered.)
Adjustment procedure:
1. Remove the face cover (see page 4).
2. If the thread tension is too tight: Turn the adjusting screw C in the direction of A.
3. If the thread tension is too loose: Turn the adjusting screw C in the direction of B.
4. Attach the front cover.
Page 08
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