10
MODEL 520
MECHANICAL ADJUSTMENT
NEEDLE DROP POSITION
Set the stitch pattern at " "; the standard needle drop position should be at the center of the
needle plate hole.
When the needle swings in maximum zigzag width " ", the distance between both ends of the
needle hole on the needle plate and the needle should be 0.2 mm or more. If not, adjust as
follows.
ADJUSTMENT PROCEDURE:
1. Turn on the power switch, set the stitch pattern at straight " " and the zigzag width at
maximum " " then check the needle drop position.
2. If the needle drop position is not in the center of the needle plate hole when the straight
stitch is selected, or if the clearance between the needle and edge of the needle plate hole
on both side is less than 0.2 mm when the stitch pattern is set to maximum zigzag width,
remove the face cover and loosen the setscrew, then adjust the needle drop position by
turning the eccentric pin.
NOTES:
Make sure the eccentric pin is positioned with its off-center head facing downward.
3. When you have finished adjusting the needle drop position, tighten the setscrew and install
the face cover.
Eccentric pin
Setscrew 3x4
Needle plate hole
0.2 mm or
more
0.2 mm or
more
A=B
Eccentric pin position
(Off -center head)
Adjust the needle drop position by turning the
eccentric pin as
Содержание eXperience 520
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