Needle Bar Assembly - Baby Lock BLMY Service Manual

Modules
23

Needle bar assembly

1. Attach the needle thread plate 1 to the needle block 2.
2. Attach the needle bar thread guide 3, the needle block 2 and the needle
thread guide spring 4 to the needle bar with the screw 1.
3. Attach the screw 2.
*Key point
• With the needle bar groove facing forward, the screw 2 is on
the right side.
• There should no gap 5 between the tip of the thread guide
spring 4 and needle bar thread guide 3.
• There should be a 0.3 mm – 0.65 mm gap between the needle
bar thread guide 3 and needle block 2.
1
2
Needle-presser module
Screw
SM2.38
0.39 – 1.78 N·m
Needle Clamp Screw
1
4
5
Torque
-
3
2
2 1 3
4
3
2
0.3mm to
0.65mm
3 - 53