7
Adjusting the Needle Bar Height
1. Remove the face cover.
2. Remove the presser foot, needle plate and
bobbin holder. Replace the needle (#11) with a
#14 needle.
3. Turn the hand wheel to raise the needle bar from
the lowest position until the tip of the rotary hook
meets the right side of the needle.
4. Loosen the setscrew on the needle bar
supporter.
Move the needle bar up or down to set the
distance between the top of the needle eye and
the upper surface of the rotary hook at 3.2 to 3.5
mm.
5. Tighten the setscrews. Be sure that he groove of
the needle is facing right in the front.
6. Attach the bobbin holder, needle plate and
presser foot. Replace the needle with the #11
needle.
7. Attach the face cover.
The distance between the top of the needle eye and the upper surface of the hook race
should be 3.2 to 3.6 mm when the tip of the rotary hook meets the right side of the needle
in the ascending travel form the lowest position.
Needle plate
Bobbin holder
Tip of the rotary hook
#14 needle
3.2 to 3.5 mm
Groove
Upper surface of the hook race
Top of the needle eye
Rotary hook
Setscrew
Needle bar