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8.25 Disassemble the EFCS Flowmeter Flow Sensors
8.25.1 Prepare for Disassembly
8.25.1.1 Tools
During parts disassembly and replacement, the following tools may be required:
Phillips screwdriver
8.25.1.2 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.
8.25.1.3 Pre-disassembly
1. Refer to 8.1.1Open the Service Door to open the service door.
2. Refer to 8.12Disassemble the EFCS Flowmeter FRU (O2/N2O/Air) to remove the EFCS
flowmeter FRU (O2/N2O/air).
8.25.2 Remove the EFCS Flowmeter Flow Sensors
1. Disconnect the cable plugs from the EFCS flowmeter flow sensors.
2. Remove the eight screws with the Phillips screwdriver to remove the two flow sensors in the
front, as shown in Figure A.
3. Remove the three screws from the rear of the FRU with the Phillips screwdriver to remove
the corresponding assembly, as shown in Figure B.
4. Remove the four screws with the Phillips screwdriver to remove the flow sensor on the side,
as shown in Figure C.
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