Upper Shaft Mechanism - Brother S-7300A Service Manual

6-3. Upper shaft mechanism

1. Upper shaft assembly (Insert)
2. Timing pulley U(Pass the upper shaft through)
3. Set screws [2pcs]
(Align the first set screw in the rotation direction with the
screw stop)
Align the edge of timing pulley U
with the reference line.
S-7300A
6. ASSEMBLY
Screw stop side
1120D
80