9 Repair Procedures
M1046983 04/08
9-9
9.5.2 Electronic
Gas Mixer
assembly
The following procedure describes how to replace the Electronic Gas Mixer assembly.
1. Bleed all gas pressure from the machine (Section 9.2).
2. Ensure that all cylinder and pipeline pressures read zero before proceeding.
3. Loosen the mounting screws and move the dashboard to the service position
4. Disconnect the inlet tubing or fittings from the manifold. If the machine does not
include N
2
O, transfer the plug from the N
2
O inlet to the replacement assembly.
5. Disconnect the tubing from the elbow outlet fitting (
A
).
6. Disconnect the ribbon cable from the Pan Connector board (
B
).
7. Disconnect the fan harness (
C
).
8. Remove the two screws (
D
) that hold the manifold to the enclosure.
9. Remove the mounting screw (
E
) at the front edge of the main circuit board.
10. Temporarily remove the Ventilator Interface board to provide clearance to slide the
mixer forward and out of the pan enclosure.
11. Replace the Electronic Gas Mixer assembly and reassemble the removed
components in reverse order.
12. Load Software.
13. Zero Mixer Pressure Transducers (Section 4.5.10).
Air
N
2
O
O
2
Alt
O
2
B
C
D
D
A
E
Summary of Contents for Datex-Ohmeda Aisys Carestation
Page 1: ...Aisys Anesthesia Machine Technical Reference Manual ...
Page 16: ...Notes xiv 04 08 M1046983 ...
Page 32: ...Notes 1 16 04 08 M1046983 ...
Page 158: ...Notes 5 20 04 08 M1046983 ...
Page 288: ...Notes 7 106 04 08 M1046983 ...
Page 325: ...9 Repair Procedures M1046983 04 08 9 29 The rear inverter A B C ...
Page 356: ...Notes 9 60 04 08 M1046983 ...
Page 401: ...10 Illustrated Parts M1046983 04 08 10 45 14 1 2 3 6 5 4 5 8 7 15 16 18 17 10 9 11 12 13 or ...
Page 452: ...Notes 10 96 04 08 M1046983 ...
Page 466: ...11 14 04 08 M1046983 Notes ...
Page 470: ...Aisys 12 4 04 08 M1046983 12 3 System Schematics 12 3 1 Power Schematic ...
Page 478: ...Aisys 12 12 04 08 M1046983 12 6 3 Tools Transfer Logs ...
Page 497: ......