16
MECHANICAL ADJUSTMENT
ZIGZAG SYNCHRONIZATION
The needle should start swing between 6.3 to 7.5 mm above the surface of the needle plate when the machine
is set for zigzag stitching.
1. Remove the front cover (see page 7).
2. Turn on the power switch, select the zigzag stitch and set the machine at the maximum zigzag width.
3. Turn the handwheel toward you slowly with your hand until the needle start to sewing. Loosen the setscrew
and turn the upper shaft shield plate in the direction of;
* A. If the swing point is higher than 7.5 mm.
* B. If the swing point is lower than 6.3 mm.
4. Position the upper shaft shield plate as close as possible to the left.
(It should not touch the upper shaft sensor).
5. Check the swing point by turning the handwheel, then tighten the setscrew.
6. Attach the front cover.
Needle #14
6.3–7.5 mm
Surface of needle plate
A
B
Upper shaft shield plate
Setscrew
Upper shaft sensor