13
DC4030P
MECHANICAL ADJUSTMENT
ZIGZAG SYNCHRONIZATION
The needle should start swing 8.2 mm above the surface of the needle plate when the machine is set for
zigzag stitching.
1. Remove the front cover (see to page 4).
2. Turn on the power switch, select the pattern no. 5 and set the machine at the maximum zigzag width.
3. Turn the handwheel toward you slowly with your hand until the needle start to swing. Loosen the
setscrew and turn the upper shaft shield plate in the direction of;
* A. If the swing point is higher than 8.2 mm.
* B. If the swing point is lower than 8.2 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
8.2 mm
Surface of needle plate
B
A
Upper shaft shield plate
Setscrew
Upper shaft sensor
