Garmin G3X Installation Manual page 798

5. Secure the shelf to the fuselage with one layer of 3.0 in. wide, 2 bid strips at each corner above and
below the shelf. The lay up is shown in Figure A-23.
6. The shelf installation must be fully cured before proceeding with the magnetometer installation.
Using the elevator control tube as the aircraft centerline reference, project a parallel line on to the
magnetometer shelf. The parallel line serves as an indication of the aircraft's forward direction, as
shown in Figure A-24. The alignment of the magnetometer is critical and needs to be within 0.5°
of the aircraft's forward direction.
Figure A-24 Alignment Of Magnetometer Cutout With Aircraft's Forward Direction
190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance
Rev. AA
3" WIDE, 2 BID STRIPS, 4 PLACES
MAGNETOMETER SHELF
Figure A-23 Magnetometer Shelf With Lay up
MAGNETOMETER SHELF
ELEVATOR CONTROL TUBE
UP
FWD
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