16
Mechanical Adjustment
Needle Bar Height
When the tip of the hook meets the left side of the needle in ascending travel of the needle from its left and
lowest position, the distance between the top of the needle eye and the tip of the hook should be in the range
of 1.6-2.0 mm.
Adjustment procedure:
1. Select the straight stitch “ “ and set the stitch width control at “6.5”.
2. Remove the needle plate (A) and bobbin holder (B).
3. Turn the handwheel until the tip of the hook meets with the right side of the needle.
4. Remove the face cover and loosen the setscrew (C).
5. Adjust the needle bar height by moving the needle bar up or down.
6. Tighten the setscrew (C).
Note: Be sure that the groove on the needle bar is facing right in the front.
7. Attach the face cover, bobbin case and needle plate.
Setscrews
Needle plate
Hook
Bobbin holder (B)
Setscrew (C)
Groove
#14 Needle
Hook race
Upper edge of
needle eye
1.6-2.0 mm
Hook point meets right
side of needle.
www.promelectroavtomat.ru