Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 795)

Section 15B
Replacement Procedures
15B-39
4. If your system has an optional feedback module, remove it as
described on page 15B-43.
5. Remove the 6 mounting screws, shown in Figure 15B.9, which hold
the servo module to the board rack.
Figure 15B.9
Servo Module Mounting Screw Locations
CN1
CN11
CN13
CN10
CN12
CN8
CN2
CN3
CN4
CN5
CN6
CN7
CN9
6. Remove the servo module being replaced and install the new servo
module.
7. Replace and tighten the 6 mounting screws.
8. If you have an optional feedback module, reinstall it.
9. Slide the board rack into the the board slot of the component
enclosure then replace and tighten the 4 mounting screws.
10. Replace all cables that were disconnected.
11. Turn ON power to the control.