Mindray T1 Service Manual page 65

4. Unscrew the two M3×4 screws that secure the SpO2 board, and then remove the SpO2 board.
Unscrew the two M3×4 screws
5. Remove the insulating plate. Unscrew the two plastic M3 hex nuts and the two M3×12 plastic double-screw bolts.
Detach the tubing.
Unscrew the two plastic M3 hexagon nuts and
Detach the air tubing
the two M3×12 plastic double-screw bolts
Insulating plate
T1 Service Manual 7-5