Needle Bar Release - Baby Lock Mid-Line Machines Technical Training Manual

Adjustment
[Standard]
When passing the threader hook into the needle eye, clearance between the upper edge of
the threader hook and the upper edge of the needle eye should be 0 mm.
[Adjustment]
1. Remove the face plate assy. (Refer to "2-6".)
2. Attach the size 75/11 needle.
3. Turn on your sewing machine.
4. Press (Needle position button) to raise the needle bar to its highest position.
5. Loosen the screw of the needle thread block.
6. Adjust the clearance between the upper edge of the threader hook and the upper edge of the needle eye by moving
the needle thread block up and down.
7. Tighten the screw of the needle thread block to secure the needle thread block to the needle bar.
8. After adjusting the clearance, pass the threader hook into the needle eye and check the clearance between the
upper edge of the threader hook and the upper edge of the needle eye.
*Key point
• Be sure to tighten the screw of the needle thread block slightly to the left when it is seen from the front. (Fig.2)
• In case the position of the screw is too left, the hook doesn't turn. (Fig.1)
• In case the position of the screw is too right, the needle thread block contacts the needle bar supporter assy
and get damaged. (Fig.3)
0 mm
OK
Needle threader
Needle position button
Hex wrench
2 mm
Screw (Needle thread block)
4 - 16
44
Set Screw, Socket (FT) M4X4
Needle bar
OK
Fig.2
NG
Fig.1
Needle thread block
Screw
NG
Fig.3