8. Remove all the components from the old chassis (bed tilt; fan and motor; heatsink; humidier; etc.) and
install them on the new chassis.
5.9.6 Bed Up/Down Pedal Switch
Refer to “Figure 5-53 Elevating Base”.
1. Run the bed up to the elevating base’s top travel limit. Power down the unit and unplug it.
2. Using a 4 mm hex key remove the 4 screws (at the bottom of the base- 2 in back and 2 in front) that secure
the lower shroud and slide it up past the speaker.
3. Make note of the switches’ electrical wire routing; the cable from the replacement switch must feed up
through the same slot.
4. Using a 4 mm hex key, remove the button head socket screws on either side of the pedal switch, located
between the elevating base plate and the leg wire cover.
5. Disconnect the switch electrical connector and pull the switch out. Discard old bed up/down pedal switch.
6. Install new bed up/down pedal switch. Make sure that you do not pinch the electrical wires.
5.9.7 Canopy Pedal Switch
Refer to “Figure 5-53 Elevating Base”.
1. Using a 4 mm hex key and a 8mm hex key, remove the screws that secures the pedal.
2. Disconnect the switch electrical connector and pull the pedal out . Discard old canopy pedal switch.
3. Install new canopy pedal switch. Replace the 12mm screw rst, then the 6mm screw. Make sure that you
do not pinch the electrical wires.
5.9.8 Canopy Membrane Switch Replacement
Refer to “Figure 5-51 Heat Sink and Fan”.
1. Adjust the elevating base to comfortable working height.
2. Remove the electronics enclosure cover.
3. Remove the two screws holding the probe panel housing to the electronics enclosure.
4. Rock the probe panel housing forward and up, allowing access to the gray membrane switch wiring
harness.
5. Gently pull the gray wire harness up, this will pull up the membrane switch/harness connection, allowing
you access to the connector.
130 6600-0343-000 104 © 2001 by Datex-Ohmeda, Inc.. All rights reserved.
Chapter 5: Repair Procedures
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