12
MODEL BL9
MECHANICAL ADJUSTMENT
NEEDLE DROP
To check:
When the needle swings in maximum zigzag width, the distance between both ends of the needle
hole on the needle plate and the needle drop positions should be equal.
If not, adjust as follows:
Adjustment procedure:
1.
Remove the face cover (See page 4).
2.
Set the pattern selector dial at maximum zigzag width.
3.
Loosen the screw.
4.
Turn the eccentric pin to adjust the needle drop.
5.
Tighten the screw.
6.
Attach the face cover.
NOTE: Check the hook timing after this adjustment.
Eccentric pin
Screw
Both clearances should be equal
