Brother 434C Sewing Machine User Manual


 
4. ASSEMBLY
KE-430B, 430C series
78
3386Q
20. Setting plate packing
21. Frame side cover
22. Bli
nd plate
23. Screws [4 pcs]
24. Belt cover support pillars [2 pcs]
25. Synchronizer assy
26. Screws [2 pcs]
27. Timing pulley assy, U
28. Set screws [2 pcs]
3387
Q
3382Q
Make a gap of 1.0 mm between
the magnet of timing pulley
assembly U and the syn-
chronizer assembly, and then
align the rear set screw in the
rotation direction of timing pulley
assembly U with the screw stop
position and tighten the set
screw at that position.
Rotation direction
3383Q