Nellcor NPB-75 Service Manual page 46

7.8.3 Front Cover
(Refer to Figure 7-4: Replacing CO2 board and Housing Components)
7.8.4 SpO Connector Latch, Rear Cover and SpO
2
(Refer to Figure 7-5: Replacing SpO2 board, Figure 7-12: Replacing LCD and LED
display and Figure 7-13: Replacing SpO2 Connector Latch)
1. Open the monitor as described in section 7.2 "Opening the
Monitor Case".
2. Remove the CO
CO2 Board".
3. Remove the keypad and ON-OFF Button. Place them in the new
Front Cover. When replacing the keypad, be sure the icons are
facing the correct direction. (Refer to Figure 1-1: Handheld
Capnograph/Pulse Oximeter.)
4. Place the CO
1. The External SpO
opening the monitor casing. Carefully pull the latch out of its
hinges by squeezing the hinge and pulling the SpO
Latch to the side. Replace with a new SpO
2. To replace the Rear Cover, open the monitor as described in
section 7.2 "Opening the Monitor Case".
3. Remove the SpO
"Replacing the SpO2 board".
4. Remove the SpO
(if needed). Be sure to place the plate over the three screw
mounts.
5. Place the SpO
new Internal SpO
Figure 7-13: Replacing SpO
board as described in section 7.3 "Replacing the
2
board in the new cover.
2
Insulation Plate
2
Connector Latch can be removed without
2
board and cables as described in section 7.4
2
Insulation Plate and replace with a new plate
2
board and cables in the new back cover using a
2
Connector Lock.
2
Connector Latch
2
Section 7: Disassembly Guide
Connector
2
Connector Latch.
2
7-13