Needle Bar Mechanism - Brother KE-430F Service Manual

10. ASSEMBLY

10-9. Needle bar mechanism

Apply grease <GREASE BZL-300P> specified by Brother to the portions indicated by the white arrows.
Inside hole
Horizontal
Screw stop
Align the set screw 11
with the screw stop.
Left-hand thread
Fit the beveled side of the
slide block into the groove
on the slide block guide 1.
1. Slide block guide
2. Bolts [2 pcs: Temporarily tighten]
3. Washer
4. Thread take-up lever assembly
5. Washer
6. Needle bar crank
7. Set screw collar
8. Thread take-up support shaft assembly
92
0.1mm
clearance
After securing the needle bar, position
the slide block guide 1 so that the
machine pulley turns smoothly, and then
tighten the two bolts 2.
9. Set screws [3 pcs: Tighten]
10. Set screws [2 pcs: Tighten]
11. Set screws [2 pcs: Tighten]
12. Rubber caps [3 pcs]
13. Rubber cap
14. Needle bar connecting rod assembly
15. Screw [Tighten]
16. Slide block
KE-430F, BE-438F
When tightening the two set screws
11, first turn the pulley approximately
10 times to the position where it turns
smoothly.
Align the set screw 9 with
the screw stop.
3006B
(Continued on next page.)