Disassembly Guide; Introduction; Required Equipment/Tools - Mallinckrodt Nellcor N-20 Service Manual

5 DISASSEMBLY GUIDE

5.1 Introduction

5.2 Required Equipment/Tools

5.3 N-20 Disassembly Procedure
5.4 N-20P Disassembly Procedure
WARNING: Only qualified service personnel must perform repair and testing. Improper
repair and/or adjustment may compromise patient safety or the accuracy of the instrument.
5.1 Introduction
The N-20/N-20P can be disassembled down to all major component parts, including:
•
PCBs
•
battery
•
cables
•
chassis enclosures
WARNING: Before attempting to open or disassemble the N-20/N-20P, disconnect the
power cord.
Caution: Observe ESD (electrostatic discharge) precautions when working within the unit.
5.2 Required Equipment/Tools
•
Screwdriver, Phillips-head, small
•
Screwdriver, Phillips-head, medium
•
Pliers, long nose
•
Screwdriver, small flathead
•
Soldering iron, low-power
•
Screwdriver, small blade
•
Needle-nose pliers
5.2.1 N-20 Disassembly Procedure
Whenever repair or disassembly is required, always wear a ground strap connected to active ground.
Before any disassembly or service procedure, switch instrument power off.
Note: Some spare parts have a business reply card attached. When you receive these
spare parts, please fill out and return the card.
5-1