Gsr 56 Satellite Receiver; Gra 5500 Radar Altimeter - Garmin G1000 Nxi System Maintenance Manual

GSR 56 Satellite Receiver

Removal:
1. Gain access to the unit based on location -
a. If the unit is installed under the cabin floor, remove the cabin center floor panel at the
main entry door. Remove the remote equipment shelf or detach the two rack mount
angles from the shelf. Retain all mounting hardware.
b. If the unit is installed in the tail, open the tailcone access door on the bottom of the
tailcone.
2. Unlock the unit from the rack by pulling out on the ratcheting latch mechanism and
turning counter-clockwise until the latch mechanism clears the tab on the unit.
3. Slide the unit out of the rack.
Reinstallation:
1. Visually inspect the connectors to ensure there are no bent or damaged pins. Repair
any damage.
2. Insert the unit into the installation rack.
Do not use excessive force when inserting the GDL 56 into
the rack. This may cause damage to occur to the connectors,
unit, and/or unit rack.
installation, stop!
source of resistance.
3. Lock the unit into the rack by using the ratcheting latch mechanism.
4. If the unit is installed under the cabin floor, reinstall the remote equipment shelf or two
rack mount angles using the retained hardware and the cabin center floor panel.
5. If the unit is installed in the tail, close the tailcone access door.
6. Register with Garmin Connext per Section 8.15.
7. No software or configuration loading is required for the GSR 56. Test the GSR 56
according to Section 8.17.

GRA 5500 Radar Altimeter

Removal:
1. Gain access to the avionics shelf in the tail area.
2. Disconnect the electrical connector.
3. Disconnect the two coaxial cable connectors, making note of which cable is Transmit
(Tx) and which cable is Receive (Rx).
4. Pull back on the lockdown mechanism and simultaneously turn counterclockwise until
free.
5. Disengage the lockdown mechanism collar from the GRA 5500 hook and slide the GRA
5500 forward to remove the unit from the rack.
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
CAUTION:
If heavy resistance is felt during
Remove the GDL 56 and identify the
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