Brother S-7300A Service Manual page 164

8. REPLACING PARTS
153
Label
Screw stop side
Screw stop side
9. Place the sewing machine motor (8) onto timing pulley D
(5) so that the sewing machine motor cord (11) is facing
upward (so that the label is facing downward).
10. Secure the the sewing machine motor (8) with the four
socket bolts (7).
NOTE:
Turn the machine pulley (12) and check that it does not
move together with the machine motor shaft.
0965D
11. Tighten the two set screws (6) to secure the machine
motor shaft.
*
First tighten the set screw (6) on the screw stop side.
*
The reference line (13) is the mark on the screw stop.
0966D
S-7300A