![background image](http://html1.mh-extra.com/html/baby-lock/pro-bl8800/pro-bl8800_service-manual_3396398012.webp)
fig. 9
a
5.5 mm
fig. 10-1
fig. 10-2
a
- 11 -
9. HEIGHT AND DIRECTION OF
PRESSER FOOT
The height of the presser foot from the needle plate
should be 5.5 mm when it is lifted up. (fig. 9)
The presser foot should be facing frontward (the edge of
foot is parallel with the feed dog slot on needle plate).
If adjustment is needed, follow these procedures:
1. Remove the light cover.
2. Raise the presser foot lifter.
3. Loosen the screw (a).
Adjust the height and direction of presser foot.
4. Tighten the screw (a).
5. Check if the presser foot lifter has a slight play in down
position.
10. HEIGHT OF NEEDLE
THREADER
If the height of needle threader is not correct, the hook on
therader will not enter the needle eye. Adjsut as follows:
1. Remover the light cover.
2. Set the pattern number at “1” (straight stitch on left
needle position).
3. Raise the needle to its highest point by turning the
handwheel.
4. Loosen the screw on the needle threader bar stopper
with a hexagon socket screw key (1.5 mm). (fig. 10-1)
5. Adjust the height of stopper so that the hook enter the
needle eye.
6. Tighten the screw and check the height of needle
threader again.
• If the hook has bent, change the threader hook
assembly. To remove the hook assembly, pull it
downward. (fig. 10-2)