10
Adjusting Needle Bar Height
The standard distance between the upper edge of the needle eye and the upper surface
of the hook race should be in the range of 3.0 - 3.6 mm when the hook point meets the
right side of the needle in its ascending travel from the right lowest position of the
maximum width zigzag stitch ( ).
<TO ADJUST>
1 Select the zigzag stitch ( ) and set the stitch width dial at 5, then bring the needle to the
right lowest position.
2 Remove the face plate (see page 1).
3 Remove the needle plate and bobbin holder.
4 Turn the handwheel toward you until the hook point meets the right side of the needle.
5 Loosen the setscrew and move the needle bar up or down to adjust the needle bar height.
NOTE: Be careful not to rotate the needle bar.
6 Tighten the setscrew.
7 Attach the bobbin holder, needle plate and face plate.
NOTE:
Before performing this adjustment, check the needle to hook timing.
Setscrew
Needle
Alignment
3.0 - 3.6mm
Upper edge of
needle eye
Hook race unit
Needle plate
Bobbin holder
Upper surface of hook race
Setscrew
Summary of Contents for eXplore 320
Page 1: ...SERVICE MANUAL MODEL 320...