Service Manual
Repair Procedures
31
4.
Separate the case.
Removing the SpO
2
Board
1.
Remove the screws and metal washers at the locations shown below.
2.
Remove the screws and nylon shoulder washers at the locations shown below.
3.
Unfold the SpO
2
shield.
4.
For Masimo models, continue with the next section. For Nellcor models, continue
with
“Disconnecting the SpO2 Board (Nellcor models)”
Note
If you are replacing only the rear case, proceed to the gasket replacement step on
Note
Do not damage the SpO
2
foil shield when removing the nylon shoulder washers.
Note
The Masimo version has two screws with nylon shoulder washers. The Nellcor
version has only one screw with a nylon shoulder washer, as shown below.
Screws with metal washers
Screw with nylon shoulder washer (Masimo and Nellcor)
Screw with nylon shoulder washer (Masimo only)