11
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 3.0 to 3.6
mm.
1. Remove the face cover, needle plate and bobbin holder.
2. Turn on the power switch.
3. Select the pattern (simple zigzag). (maximum zigzag width)
4. Turn the handwheel toward you until the tip of hook meets the right side of the needle.
5. Loosen the setscrew .
6. Adjust the height of the needle bar by moving the needle bar upward or downward without turning it. (Make sure
that the needle setting groove of the needle bar is in the front).
7. Tighten the setscrew .
8. Insert the bobbin holder, then attach the needle plate and face cover.
Needle #14
Hook race
3.0-3.6 mm
Upper edge of
needle eye
Hook race unit
Mechanical Adjustment
Needle bar height
q
q
w
w
w
e
e
Содержание JP720
Страница 1: ...SERVICING MANUAL JP720 JP760...