Mindray A8 - Disassemble the Electronic Vaporizer Base Interface Board PCBA (A9); Prepare for Disassembly; Remove the Electronic Vaporizer Base Interface Board PCBA; Disassemble the O-Ring of Gas Connector (A9)

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8.46 Disassemble the Electronic Vaporizer Base Interface
Board PCBA (A9)
8.46.1 Prepare for Disassembly
8.46.1.1 Tools
During parts disassembly and replacement, the following tools may be required:
 Phillips screwdriver
8.46.1.2 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.
8.46.1.3 Pre-disassembly
None.
8.46.2 Remove the Electronic Vaporizer Base Interface Board PCBA
1. Remove the five screws with the Phillips screwdriver to remove the rear cover plate, as
shown in Figure A.
2. Disconnect the cables (marked by □ in Figure B) from the electronic vaporizer base
interface board PCBA.
3. Remove the eight screws (marked by ○ in Figure B) with the Phillips screwdriver to remove
the interface board PCBA.
Figure A Figure B
8.47 Disassemble the O-ring of gas connector (A9)
8.47.1 Prepare for Disassembly
8.47.1.1 Tools
During parts disassembly and replacement, the following tools may be required:
 Phillips screwdriver