GFC 600 AFCS Part 23 AML STC Maintenance Manual Page 40
190-01938-00 Revision 13
7. Garmin GFC 600 LRU Replacement/Configuration & Testing
This section provides procedures to be followed after a piece of GFC 600 equipment is
replaced. At the beginning of each LRU section, instructions are given to guide the technician
for various removal/replacement scenarios. These instructions define necessary procedures to
be followed for situations where original equipment was reinstalled as well as for situations
where new equipment (new serial number) is installed.
7.1 GMC 605
Original GMC 605 Reinstalled
If the removed GMC 605 is reinstalled, no software or configuration loading is required. This
does not include units that were returned for repair as their software and configuration files are
deleted during the repair testing process. Continue to GMC 605 Test Procedure, Sections 9.3
and 9.4.2.
New Repair or Exchange GMC 605 Installed
If a new, repaired or exchanged GMC 605 is installed, the correct software must be loaded to
the unit. Refer to Section 8.1 for software loading procedures. If the configuration module or
ADM is left in place, no configuration is necessary. Continue to the GMC 605 Test Procedure,
Section 9.3 and 9.4.2.
7.2 GSA 87 Servo
Original GSA 87 Reinstalled
No software/gains loading is required if the removed GSA 87 is re-installed. This does not
include units that were returned for repair as their software and gains files are deleted during the
repair testing process. Continue to the applicable GSA 87 Test Procedure for the servo that
was replaced:
Section 9.3 and 9.4.1.1 for Roll Servo
Section 9.3 and 9.4.1.2 for Pitch Servo
Section 9.3 and 9.4.1.3 for Pitch Trim Servo
Section 9.3 and 9.4.1.4 for Yaw Damper Servo
Section 9.3 and 9.4.1.5 for Yaw Trim Servo
New, Repaired or Exchange GSA 87 Installed
If a new, repaired or exchanged GSA 87 is installed, the correct software and gains files must
be loaded to the unit. Refer to Section 8.1 for software loading procedures. Continue to the
applicable GSA 87 Test Procedure for the servo that was replaced:
Section 9.3 and 9.4.1.1 for Roll Servo
Section 9.3 and 9.4.1.2 for Pitch Servo
Section 9.3 and 9.4.1.3 for Pitch Trim Servo
Section 9.3 and 9.4.1.4 for Yaw Damper Servo.
Section 9.3 and 9.4.1.5 for Yaw Trim Servo.
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