Baby Lock Mid-Line Machines Technical Training Manual page 45

Adjustment
[Standard]
In the test mode #04, clearance between the needle point and the outer rotary hook point
should be same at the base line of both left and right.
[Adjustment]
1. Remove the face plate assy. (Refer to "2-6".)
2. Remove the presser foot.
3. Remove the needle plate B assy, the needle plate A assy and the inner rotary hook assy.
4. Attach the size 75/11 needle.
5. Start the test mode, and then select the #04 (3-Point Needle Drop mode).
6. Turn the pulley by hand to coincide the needle with the outer rotary hook point.
7. Press the or
hook point is same at the base line of both left and right.
8. Loosen the screw of the supporter arm adjuster assy.
9. Move the supporter arm adjuster assy to the left and right and adjust clearance between the needle top and the
outer rotary hook point to be same at the base line of left and right.
10. Tighten the screw of the supporter arm adjuster assy to secure the supporter arm adjuster assy to the needle
supporter arm base.
Screw
Hex wrench
2.5 mm
Bottom side view
Needle clearance left/right
button on the screen, and check that clearance between the needle point and the outer rotary
Screw
Supporter arm
adjuster assy
Needle supporter
arm base
4 - 12
Left
Hook point
a
Needle
point
a = b
Screw 3X8
42
Right
b
Hook point
Needle
point
Outer rotary hook assy