Grs Replacement; Gmu Replacement; Gdc Replacement; Gea Replacement - Garmin G1000 Maintenance Manual

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6.5

GRS REPLACEMENT

To remove:
1. Disconnect Backshell connector from unit.
2. Loosen four screws holding the unit to the mounting rack (do not loosen mounting rack bolts).
To install:
1. Inspect connector(s) for damaged pins.
2. Fasten unit to mounting rack.
3. Connect Backshell assembly to unit.
6.6

GMU REPLACEMENT

To remove:
1. Loosen three screws connecting the unit to the aircraft mounting plate.
2. Disconnect cable.
To install:
1. Inspect connector for damaged pins.
2. Connect cable and properly secure connector in a stationary fashion.
3. Fasten unit to the aircraft mounting rack.
6.7

GDC REPLACEMENT

To remove:
1. Loosen two thumb screws that secure the unit to the mounting rack
2. Disconnect Backshell assembly and pitot-static plumbing from unit.
3. Remove all Teflon tape or sealing compound. Take care not to allow Teflon tape or sealing
compound to fall inside unit.
To install:
1. Inspect connector(s) and pitot-static plumbing for damage.
2. Install Teflon tape or sealing compound to pitot-static plumbing
3. Connect Backshell assembly and pitot-static plumbing to the unit.
4. Tighten two thumb screws that secure the unit to the mounting rack.
6.8

GEA REPLACEMENT

To remove:
1. Loosen the Phillips screw to unlock unit handle.
2. Pull the GEA lever up towards the top of the unit. This disengages the locking stud with the dogleg
slot.
G1000 System Maintenance Manual
190-00907-00
Page 6-3
Rev. B