Mindray A9 Service Manual

8-12
8.13.7 Remove the Display Assembly
1. Remove the six screws (marked by ○ in Figure A) with the Phillips screwdriver to remove
the rear cover plate of the display assembly.
2. Remove the four screws (marked by ○ in Figure B) fastening the cable with the Phillips
screwdriver to remove the cable.
3. Pre-loosen the two screws (marked by △ in Figure B) with the Phillips screwdriver and turn
them counterclockwise three or four rounds. Then remove the four screws (marked by □ in
Figure B). Finally, vertically lift the display assembly up to remove it.
Figure A Figure B
8.14 Disassemble the N2O, Air, and O2 Inlet Assemblies
8.14.1 Prepare for Disassembly
8.14.1.1 Tools
During parts disassembly and replacement, the following tools may be required:
 M4 hexagon screw spanner
 Phillips screwdriver
8.14.1.2 Preparations
Before disassembly,
 Make sure that the anesthesia machine is turned off and disconnected from the A/C power
source.
 Bleed down the gas pressure inside the anesthesia machine to avoid personal injury or
equipment damage.
Pre-loosen the screws
Two screws near the
patient circuit
One screw under the
O2 cell door
Two screws on the rear

Mindray A9 Specifications

General

Type	Anesthesia Workstation
Integrated Gas Analysis	Yes
Backup Battery	Yes
Operating Temperature	10°C to 40°C
Storage Temperature	-20°C to 55°C
Battery Type	Lithium-ion
Ventilation Modes	Volume Control, Pressure Control, SIMV, Manual Ventilation
Display	Touchscreen
Patient Monitoring	ECG, SpO2, NIBP, EtCO2, Temperature
Connectivity	Ethernet, USB
Portability	Mobile (with wheels)
Battery Life	Minimum 90 minutes (typical)
Altitude	Up to 3000 meters
Power Supply	100-240 VAC, 50/60 Hz
Charging Time	Approximately 4 hours
Storage	Internal storage for patient data and system logs
Supported Languages	Multiple languages
Certifications	CE, FDA