Section 7: Disassembly Guide; Introduction; Replacing The Pump - Nellcor NPB-75 Service Manual

SECTION 7: DISASSEMBLY GUIDE

7.1

INTRODUCTION

7.1 Introduction
7.2 Opening the Monitor Case
7.3 Replacing the CO
7.4 Replacing the SpO
7.5

Replacing the Pump

7.6 Replacing the Flow System
7.7 Replacing the LCD and LED display
7.8 Replacing the Housing Components
7.9 Updating the Software Version
The monitor can be disassembled and the following components can be
replaced:
• CO board
2
• SpO board
2
• Pump Assembly
• Flow System
• Housing components
• EPROM
• LCD graphic display (LCD)
• 7-segment LED digital displays (LED display)
Caution: Observe ESD (electrostatic discharge) precautions when
disassembling and reassembling the monitor and when handling
any of the components of the monitor.
Use the following procedures to disassemble the monitor and replace
parts as needed. Reassemble the monitor in reverse order. The
manufacturer recommends that you follow the disassembly procedure in
the order presented.
Note: After replacing the Flow System and/or Pump, perform a flow
calibration check as described in Section 6: Flow Calibration
Check.
Note: After reassembling any part of the monitor, be sure to complete
the performance verification procedure as described in Section
10: Performance Verification.
board
2
board
2
7-1