Mindray A8 - Remove the Pressure Switch (Gas Inlet); Disassemble the I;O Interface Board; Prepare for Disassembly; Remove the I;O Interface Board

8-15
2. Remove the gas inlet assembly corresponding to the pressure switch. Refer to steps 1 and 2
in section 8.2.2.
8.16.2 Remove the Pressure Switch (Gas Inlet)
Remove the two screws fastening the switch pressure with the M3 hexagon screw spanner,
disconnect the plug of the pressure switch, and remove the pressure switch.
8.17 Disassemble the I/O Interface Board
8.17.1 Prepare for Disassembly
8.17.1.1 Tools
During parts disassembly and replacement, the following tools may be required:
 M4 hexagon screw spanner
 Phillips screwdriver
8.17.1.2 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 pipelines and cylinder gas supplies.
 Maneuver the anesthesia machine to an appropriate location and then apply the brake.
8.17.1.3 Pre-disassembly
Refer to 8.1.2Remove the Auxiliary Output Assembly to remove the auxiliary output assembly.
8.17.2 Remove the I/O Interface Board
Remove the four screws from the I/O interface board with the Phillips screwdriver to remove the
board.