Chassis Replacement; Bed Up/Down Pedal Switch - GE Giraffe Service Manual
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5.5.5 Chassis Replacement
Refer to "Figure 5-4 Chassis Bottom Cover", "Figure 5-5 Fan Motor", "Figure 5-6 Heat Sink and Fan", "Figure 5-7
Bed Disassembly", and "Figure 6-10 Lower Chassis".
1. Remove the side doors, hood (refer to section 5.1), rotating bed, translation deck, tilt platform, and pan.
2. Remove the bottom chassis cover, (refer to section 5.5.1) and remove the two side chassis covers (3 mm
hex key).
3. Disconnect the wiring harnesses.
4. Remove the two screws at the bottom corners that secure the probe panel to the enclosure. (Refer to
section 5.8.2.)
WARNING:
Be sure the front of the chassis is supported before removing the screws from the bracket to
prevent the chassis from falling.
5. While supporting the chassis, remove the 5 bolts on either side of the bracket casting that secure the
chassis to the bracket and remove the chassis.
6. Remove all the components from the old chassis (bed tilt; fan and motor; heatsink; humidifier; front hinge
covers, side panels, etc.) and install them on the new chassis.
5.5.6 Bed Up/Down Pedal Switch
Refer to "Figure 5-8 Elevating Base with Two-piece Shroud Assembly" and "Figure 5-9 Elevating Base with
Three-piece Shroud Assembly".
1. Run the bed up to the elevating base's top travel limit. Unplug the unit.
2. This step depends on the type of shroud assembly:
•
If the shroud assembly is in two pieces: Using a 4 mm hex key, remove the four screws (at the bottom of
the base - two in back and two in front) that secure the lower shroud and slide it up past the speaker.
•
If the shroud assembly is in three pieces:
a. Use a 2.5 mm hex wrench to remove four M4 flat washers, four M4 split lock washers, and four
M4x10 button head socket cap screws, that attach the back cover shroud to the lower shroud.
b. Use a 4 mm hex wrench to remove two M6 flat washers , two M6 split lock washers, and two M6x12
button head screws, that attach the back cover shroud to the base plate.
c. Use a 4 mm hex wrench to remove two M6 flat washers, two M6 split lock washers, and two M6x12
button head screws, that attach the lower shroud to the base plate.
3. Make note of the switches' electrical wire routing; the cable from the replacement switch must feed up
through the same slot.
© 2001 by Datex-Ohmeda, Inc.. All rights reserved.
Chapter 5: Repair Procedures
6600-0356-000 103
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