Hamilton G5 Ventilation Unit Motherboard Replacement

Remove 4 Hex Allen screws (A) from the Rail surrounding the Ventilation Unit.

Remove the Rail (B).

The Standoff Brackets (C) remain with the Main Cover.

Lift the Main Cover (A) from the Ventilation Unit using the Standoff Brackets (B) attached to the Main Cover.

First, we need to remove the ESM module. It is connected to 2 connector sockets. Disconnect and remove.

Install the ESM Module, by connecting the connectors (A), and the VRC SW chip on the new board.

Disconnect all cables and connections from the board to the unit.

Remove the three Hex screws (B).

Move the motherboard out then up away from the ventilation unit (C).