6. Rotate the cover slightly and push it out the right side of the unit.7. Remove the ground wire.5.5.2 Incubator Fan/Motor/Optical SensorRefer to “Figure 5-5 Fan Motor” and “Figure 5-6 Heat Sink and Fan”.Motor shaftMotorMotor bracketMotor isolatorsThermostatFigure 5-5 Fan Motor1. 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 motor leads.5. Remove the 4 screws in the motor bracket and remove the motor assembly.6. The motor isolators pop out of the holes in the bracket.7. To replace the optical sensor, disconnect its connector, remove the screw from the boss in the chassis thatholds it in place, and remove the assembly.72 6600-0356-000 103 © 2001 by Datex-Ohmeda, Inc.. All rights reserved.Chapter 5: Repair Procedures