Humidifier Reassembly - GE Giraffe Service Manual

5. Remove the 2 screws on either side of the heater assembly.
6. Remove the heater assembly.
7. Use a 2mm hex key to remove the 2 screws from the reservoir switch and remove the switch.
8. Remove the 4 screws that secure the top bracket. Back the bracket off, feeding the wire harnesses through
as you remove it.
9. Remove the top gasket, feeding the wire harnesses through as you remove it. The thermostat wire harness
can slide through the slots in the gasket.
10. Remove the 4 screws in the heater mount and remove the bottom bracket.
11. Remove the socket head cap screw next to the add water thermostat, then remove the bottom gasket,
insulating cylinder, and protective insert.
12. Remove the 3 screws in the heater cartridge sheath.
13. To remove the heater cartridge, unscrew it from its threaded hole.
14. The thermostats can be replaced by removing the nuts securing them to the ramp block.
15. If either thermostat or the heater cartridge is being replaced, check all components (especially the plastic
ones) for signs of heat damage or corrosion. We recommend replacing the sheath when replacing the
heater cartridge.

5.5.7.3 Humidifier Reassembly

1. Screw the steam outlet in the threaded hole on the heater mount.
2. Slide the silicone tube on the steam outlet flush to the hex.
3. Screw the heater cartridge assembly into the heater mount, then back it off so the harness exits between
the two thermostat mounting holes.
4. Attach the heater sheath with the three M3 x 8 Phillips Teflon coated screws and split ring lock washers to
the bottom of the heater mount.
5. Place two M3 x 10 Phillips Teflon coated screws and split ring lock washers into the heater mount counter
bore holes next to the thermostat mounting holes.
6. Attach the two thermostats to the mounting block with the 6-32 hex nuts and split ring lock washers, being
careful not to position the thermostat wires over the mounting holes in the heater mount. The add water
thermostat has the micro-switch attached to the harness.
© 2001 by Datex-Ohmeda, Inc.. All rights reserved.
Chapter 5: Repair Procedures
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