
Page 6-4 G1000 System Maintenance Manual - Hawker Beechcraft G36
Rev. 5 190-01259-00
NOTE
Failure of the GRC 10 (i.e. dead batteries) has no impact on normal
aircraft operations and is only used for passengers to control audio
entertainment.
NOTE
It is not necessary to reconfigure GRC 10 after battery replacement.
6.5 GDU Removal & Replacement
Removal:
1. Make sure all airplane electrical power is disconnected.
2. Using a
3
/
32
hex tool, turn all four
1
/
4
-turn fasteners, on the display unit, counter-clockwise
until they reach their stops.
NOTE
The display unit harness is protected by a flexible chain link conduit that
protects the harness and eases the retraction of the harness back into
the rack when installing the display unit.
3. While supporting the display unit, carefully pull the unit aft to access the single harness
connector.
Reinstallation:
1. Remove the protective caps from the display unit and harness connectors. Visually
inspect the display unit harness connector for damage. Repair any damage.
2. While supporting the display unit, connect the harness connector to the rear of the
display unit.
NOTE
The display unit harness is protected by a flexible chain link conduit that
protects the harness and eases the retraction of the harness back into
the rack when installing the display unit.
3. Carefully insert the display unit into the panel cutout. Make sure all four
1
/
4
-turn fasteners
align with the corresponding panel holes.
4. Seat the display unit in the panel cutout. Do not use excessive force.
5. Once the display unit is seated, turn all four
1
/
4
-turn fasteners clockwise to lock the
display unit to the instrument panel.
6. If display is new, perform software loading and configuration of display in accordance
with the steps beginning in Section 3.7.1.
7. If display is existing, proceed to Section 8.1 for display checkout.
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