Brother S-7300A Service Manual page 168

8. REPLACING PARTS
Screw stop side
157
9. Remove the four socket bolts (14) of the motor bracket
(13), and then remove the feed motor (15).
0976D
10. Place the feed motor (15) onto the PM arm (11).
*
Set so that the screw stop (17) on the motor shaft (16) is
facing in the direction shown in the illustration.
0977D
11. Place the motor bracket (13) against the top-right of the
processed surface of the bed, and then secure it by
tightening the four socket bolts (14).
*
Check that the PM arm (11) moves smoothly.
0978D
S-7300A