Mindray A8 - Remove the Sensor Adapter Board PCBA; Disassemble the High-Flow O2 Supply Assembly or Auxiliary O2;Air Assembly; Prepare for Disassembly

8-25
2. Refer to 8.1.2Remove the Auxiliary Output Assembly to remove the auxiliary output
assembly.
3. Refer to 8.1.3Remove the Rear Cover Plate of the Work Surface to remove the rear cover
plate of the work surface.
8.27.2 Remove the Sensor Adapter Board PCBA
1. Disconnect the tubes from the sensor adapter board PCBA.
2. Remove the three screws from the sensor adapter board PCBA with the Phillips screwdriver
to remove the PCBA.
8.28 Disassemble the High-Flow O2 Supply Assembly or
Auxiliary O2/Air Assembly
8.28.1 Prepare for Disassembly
8.28.1.1 Tools
During parts disassembly and replacement, the following tools may be required:
 Phillips screwdriver
8.28.1.2 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.
 Disconnect all pipeline and cylinder gas supplies.
 Maneuver the anesthesia machine to an appropriate location and then apply the brake.
8.28.1.3 Pre-disassembly
1. Refer to 8.1.1Open the Service Door to open the service door.
2. Refer to 8.1.2Remove the Auxiliary Output Assembly to remove the auxiliary output
assembly.