1. Unscrew the four screws (6) to remove the fan bracket (7).
2. Unscrew the four screws (8) to remove the plate support (9) and the guide rail A (10).
3. Unscrew the two screws (11) to remove the guide rail (11) .
4. Unscrew the two screws (12) and three screws (14), then detach the CRM board (15).