Brother 431B Sewing Machine User Manual


 
4. ASSEMBLY
KE-430B, 430C series
72
Y direction
KE-434B, 435B, 436B
KE-434C, 435C, 436C, 484C
Fee
d cams X and Y both have index marks. Check these when using.
Assembly steps of the feed mechanism are the same for X and Y directions.
3367
Q
Align the edges of coupling
hub 8 and the cam shaft.
X direction
3368Q
Place the cam onto the cam
shaft so that there is no play in
the cam, and then tighten the
set screws.
Place the coupling hub 8
onto the pulse motor shaft,
and then tighten the set
screw at the screw stop
position so that the pulse
motor shaft protrudes from
the edge by 2.5 mm.
3369Q
3362Q
1.
Coupling hub, 8
2.
Set screws [2 pcs]
3. PM bracket
4. Ball bearing [X: 2 pcs, Y: 1 pc]
5. Cam shaft
6. Feed cam
7. Set screws [2 pcs]
8. Coupling hub, 8
9. Set screws [2 pcs]