G1000 Supplemental Maintenance Manual Page 7-44Textron Nav III Series Revision 3190-02128-047.12 GSA 81 Servos (if installed)Original Servo(s) ReinstalledNo software loading is required if the removed servo(s) is re-installed. This does not includeunits that were returned for repair as their software and configuration files are deleted during therepair testing process. Continue to the return-to-service checks in Section 9.New, Repaired or Exchange Servo(s) InstalledIf a new, repaired or exchange servo is installed, the correct software files and certification gainsmust be loaded to the unit.LRU Replacement Procedure GSA81 Servos1. Open the MFD, PFD (ESS BUS), and PFD (AVN BUS 1) circuit breakers.2. Remove Garmin SD/MMC/FS 510 cards from bottom slots of the MFD and PFD ifpresent.3. Apply power to the G1000 system by connecting external power to the aircraft toenergize the aircraft and avionics electrical busses.4. Turn on Avionics electrical busses.5. Power on the MFD and PFD in configuration mode.6. Using the PFD, scroll to the LRU replacement page.7. Activate the cursor and select the installed GSA CTRL in the LRU dropdown box.8. Press the CHK All softkey.9. Press the Load softkey.10. Press ENT to acknowledge the process was complete.11. Select the installed GSA MON in the LRU dropdown box.12. Press the CHK All softkey.13. Press the Load softkey.14. Press ENT to acknowledge the process was complete.15. Deactivate the cursor.16. Scroll to the Configuration Manager page.17. Press the CNFM CFG softkey.18. Select ok when prompted to “Confirm configuration as expected configuration”19. Power cycle the system verify there are no red-Xs or system alerts.20. If red-Xs or system alerts are present, troubleshoot as necessary using Section 5 or re-load the system using the legacy method in Section 7.12.2.21. If there are no red-Xs or system alerts, continue to return to service checks in Section 9.