Game Composites GB1 GameBird, Maintenance Manual

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Maintenance Manual GB1 GameBird
Page date: April 24, 2020
23-4
No regular maintenance is required for the unit.
For troubleshooting or additional information, refer to:
Garmin GTR 225/GNC 255 TSO Installation Manual, 190-01182-02, Revision G.
For wiring and connection details, refer to section
24-03.
To uninstall the VHF for service:
1. Insert a 3/32" hex drive tool drive tool into the access hole on the unit face.
2. Turn hex drive tool counterclockwise until the hex drive tool stops.
3. Pull the unit from the rack.
To install the VHF unit:
1. Slide it straight in the rack until it stops, approximately 3/8 inch short of the final position.
2. Insert a 3/32" hex drive tool into the access hole at the bottom of the unit face.
3. Turn hex tool clockwise while pressing on the left side of the bezel until the unit is seated in the rack.
NOTE : Prior to placing the unit in the rack, in order to ensure correct position of the retention
mechanism, it may be necessary to insert the hex drive tool into the access hole and turn
the drive tool counterclockwise until it completely stops.
VHF Antenna
Location: Bonded inside the right-hand skin of the vertical stabilizer
Type: Dolba BD05
Manufacturer: Dolba & Dolba
Wallerstrasse 34, 53498 Bad Breisig, Germany
www.dolba.de
No regular maintenance is required for the unit. If malfunction is detected, antenna has to be replaced.
VHF Antenna is bonded with Sikaflex to the right-hand skin of the vertical stabilizer
Antenna cable is routed on the right-hand fuselage side, under the baggage floor, between the seat support
bulkheads to the transponder socket.
To replace the VHF Antenna:
1. Remove rudder, refer to section 55-05
2. Cut antenna loose, remove from airplane
3. Connect new antenna to antenna cable
4. Maneuver new antenna in place, temporarily fix with masking tape
5. Apply pea-sized dots of Sikaflex similar to original installation; for details, refer to 51-11
6. Let Sikaflex cure overnight
Signature
7. Conduct VHF function check as per 23-05
8. Reinstall rudder, refer to section 55-05