Needle Swing - Janome 3128 Service Manual

NEEDLE SWING

TO CHECK:
Adjust the needle swing according to the following procedure, if the needle bar starts
moving sideways while the needle is in the fabric at sewing the zigzag pattern (with
maximum zigzag width).
ADJUSTMENT PROCEDURE:
1. Set the pattern selector dial with maximum zigzag width, and remove the front cover
(see page 6).
2. Loosen two setscrews.
3. Adjust the needle swing by turning the handwheel, while holding the worm so as not
to rotate it, until the needle swing starts at 2 - 3 mm above the needle plate after the
needle has come out of the right side of the needle hole.
4. Tighten two setscrews.
5. Mount the front cover.
Note: After adjusting the needle swing, check that the upper shaft worm and gear
rotate smoothly without any backlash between them.
UPPER SHAFT WORM
MECHANICAL ADJUSTMENT
GEAR
SETSCREW (2 PCS.)
10
MODEL 3128
2 - 3 MM