Nellcor Oximax NPB-40, Service Manual

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Disassembly Guide
52
Rear Case Assembly Replacement
Perform the following procedure to replace the rear case assembly.
1. Remove the batteries from the NPB-40. See Prior to Disassembly on page 43.
2. Separate the front and rear case assemblies. See Separating the Front and
Back Cases on page 44.
Caution: The battery connectors (spring assemblies) at the bottom of the
CPU PCB are held in slots in the battery compartment. Observe how these
connectors are engaged in these slots when you remove the CPU PCB and
display PCB and ensure that the battery connectors are inserted back in
these slots when you reassemble the NPB-40.
3. Lift the CPU PCB and display PCB from the case. See Figure 18.
Figure 18: Display PCB and CPU PCB Removal
4. Discard the rear case assembly in accordance with local regulations.