Precaution
The following adjustment items are inter-related. This means that adjusting one of them
will affect the adjusted values of the subsequent items. Be sure to adjustment these
items according to the flow below.
4 - 2
Adjustment flow
1. Needle position adjustment (front/back)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
2. Needle position adjustment (right/left)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19
3. Needle bar rising length and needle space adjustment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
4. Needle bar height adjustment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
5. Rotary hook stopper adjustment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
6. Presser foot height adjustment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
7. Needle bar top dead center adjustment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24
8. Needle threader adjustment (up/down)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25
9. Needle threader adjustment (right/left)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-26
When only "Rotary hook
stopper adjustment" is
performed, adjustment
of the subsequent items