Mindray A9 - Remove the EFCS Flowmeter Monitoring Board; Disassemble the EFCS Flowmeter FRU (O2;N2 O;Air); Prepare for Disassembly; Remove the EFCS Flowmeter FRU (O2;N2 O;Air)

8-21
 Maneuver the anesthesia machine to an appropriate location and then apply the brake.
8.23.1.3 Pre-disassembly
Refer to 8.1.1Open the Service Door to open the service door.
8.23.2 Remove the EFCS Flowmeter Monitoring Board
1. Disconnect the cable plugs from the EFCS flowmeter monitoring board.
2. Remove the two screws (marked by □ in the figure) from the monitoring board assembly
with the Phillips screwdriver to remove the assembly.
3. Remove the four screws (marked by ○ in the figure) from the monitoring board with the
Phillips screwdriver to remove the monitoring board.
8.24 Disassemble the EFCS Flowmeter FRU (O2/N2O/Air)
8.24.1 Prepare for Disassembly
8.24.1.1 Tools
During parts disassembly and replacement, the following tools may be required:
 Phillips screwdriver
8.24.1.2 Preparations
Before disassembly,
 Make sure that the anesthesia machine is turned off and disconnected from the A/C power
source.
 Maneuver the anesthesia machine to an appropriate location and then apply the brake.
8.24.1.3 Pre-disassembly
Refer to 8.1.1Open the Service Door to open the service door.
8.24.2 Remove the EFCS Flowmeter FRU (O2/N2O/Air)
1. Disconnect the tubes from the EFCS flowmeter module and the cables (marked by □ in the
figure) from the motherboard.
2. Remove the four screws (marked by ○ in the figure) from the EFCS flowmeter module with
the Phillips screwdriver to remove the module.