Brother KE-430F Service Manual page 103

With the needle bar 18 near
its highest position, apply
grease inside the holes.
Align the needle bar 18 so that reference line A (the second lowest
reference line on the needle bar 18) or reference line a (top
reference line) is aligned with the lower edge of the needle bar bush
when the machine pulley is turned to lower the needle bar 18 to its
lowest position, and then set the cut section so that it is facing
forward and tighten the screw 19.
4647Q
Cut section
KE-430F, BE-438F
10. ASSEMBLY
17. Needle bar clamp
18. Needle bar [Insert from above]
19. Screw
20. Rubber cap
Inside
hole
2862B
Needle bar
bush
93