Chapter 7: Repair Procedures
Lower Device Repairs
7-48 Service Manual
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.
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 fan hub to
allow it to slide all the way onto the fan shaft and seat properly.
7.9.4 Elevating Base
Refer to “Figure 7-48 Bed Disassembly”.
1. Run the elevating base to its top travel limit.
2. Remove the mattress, bed, translation deck, tilt platform, and pan.
3. Run the canopy to its lowest position (closed). Use the shipping locks (Figure 5-14) to lock the canopy in
the down position.
4. Switch off and unplug the device.
5. Remove the chassis cover. (Refer to “Removing the Chassis Cover with the Storage Drawer in Place” on
page 7-45.)
6. Disconnect the elevating base electrical connector at J-45 on the relay board, and tie a wire to it so you
can fish it back through during reassembly.
7. Connect the replacement elevating base to the relay board, switch the device back on and using the
bed raise/lower pedals fully extend the new base. Switch off and unplug the device.
FIGURE 7-48. Bed Disassembly
Mattress
Clear Plate
Rotating bed
Translation deck
Tilt platform
Tilt mechanism
Pan
To Next Page
Loading...
