5.5.3.2 To Remove the Heater Closest to the Head of the Bed
1. Remove the rotating bed, translation deck, tilt platform and pan.
2. Remove the fan, fan hub, and fan seal from the top of the fan motor shaft.
3. Remove the chassis cover. (Refer to section 5.5.1.)
4. Disconnect the heater’s electrical connector, the thermostat connections and the heat sink sensor
connector.
5. Remove the upper shroud.
6. Remove the 14 mounting screws that secure the heat sink. Remove the heatsink.
7. Remove the retaining clip and slide the cartridge out of the heat sink.
NOTE: On early units, the heater cartridge screwed into a threaded hole in the heat sink. For these units you
must order kit 6600-0228-850 to replace both the heater cartridges and heat sink.
8. To reassemble, seat the fan seal in the center bore of the heatsink and use it to align the fan shaft before
fully securing the heat sink with its mounting screws. It may be necessary to wet the motor shaft fan hub to
allow it to slide all the way onto the fan shaft and seat properly.
74 6600-0356-000 103 © 2001 by Datex-Ohmeda, Inc.. All rights reserved.
Chapter 5: Repair Procedures
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