• If the needle swing when it is still in the fabric, correct it as follows.
<To adjust>
Remove the front cover (see page 6).
Select the zigzag stitch (
Loosen the setscrews on the worm.
While holding the worm as not to rotate, turn the handwheel to adjust the needle bar swing so
that the needle starts to swing 2 - 3 mm above the needle plate in the right outflow.
Tighten the setscrews on the worm securely.
Attach the front cover.
NOTE:
The upper shaft should turn smoothly without an excessive backlash between the worm
and gear.
Setscrew
Needle plate
Adjusting Needle Swing
) and set the stitch width dial at 5.0.
Worm
Upper shaft
2 to 3mm
10
Backlash
Backlash
increases
decreases
NOTE:
Make sure the worm does not
move sideways when turning the
handwheel, otherwise the
backlash will change.