Gts Processor; Configuration Module - Garmin GTS 8 Series Maintenance Manual

6.3 GTS Processor

Removal
1. Ensure there is no power supplied to the GTS 8XX.
2. Gain access to the GTS 8XX. See Appendix A for equipment locations.
3. Disconnect the D-sub and antenna coaxial cable connectors from the GTS 8XX.
4. Unscrew the lockdown knob(s).
5. Remove the GTS 8XX from the install rack.
Re-installation
1. Ensure there is no power supplied to the GTS 8XX.
2. Place the GTS 8XX in the install rack with its connectors facing the same side of the rack as the
lockdown knob(s).
3. Screw the rack lockdown knob(s) onto the unit lockdown hook(s). Tighten until ratchet clicking
stops.
4. Connect the D-sub and antenna coaxial cable connectors to the GTS 8XX.
5. Complete the appropriate return to service procedures in Section 7.

6.4 Configuration Module

Removal
1. Ensure there is no power supplied to the GTS 8XX.
2. Gain access to the GTS 8XX. See the completed copy of Appendix A retained with the aircraft
permanent record for equipment locations.
3. Disconnect D-sub connector P8001 from the GTS 8XX.
4. Remove the two 4-40 x 0.187" countersunk screws from the backshell cover.
5. Remove the three 4-40 x 0.375" pan head screws from the strain relief clamp and remove the clamp.
6. Remove the single screw securing the configuration module.
7. Disconnect the configuration module harness and remove the configuration module.
Re-installation
1. Ensure there is no power supplied to the GTS 8XX.
2. Reverse steps 2-7 of the removal procedure above.
CAUTION
Be sure to install the strain relief clamp with its flanges facing AWAY from the wiring
harness. Failure to do so may cause damage to the wiring harness.
3. Complete the appropriate return to service procedures in Section 7.
190-01279-01
Rev. 2
GTS 8XX Part 23 AML STC Maintenance Manual
Page 6-3