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4
To reinstall the GC/MSD interface heater and sensor
When you work on or near printed circuit boards, or when you work on
components with wires, contacts, or cables connected to printed circuit
boards, always use a grounded anti-static wrist strap and take other anti-
static precautions. The wrist strap should be connected to a known good
Earth ground. If that is not possible, it should be connected to a conductive
(metal) part of the assembly being worked on, but not to electronic compo-
nents, exposed wires or traces, or pins on connectors.
Take extra precautions, such as a grounded, anti-static mat, if you must
work on components or assemblies that have been removed from the MSD.
This includes the analyzer.
& $ 8 7 , 2 1
In order to be effective, an anti-static wrist strap must fit snugly (not tight). A loose strap
provides little or no protection.
& $ 8 7 , 2 1
Anti-static precautions are not 100% effective. Handle electronic circuit boards as little as
possible, and then only by the edges. Never touch the components, exposed traces, or pins
on connectors and cables.
More information is available
If you need more information about the functions of electronic components,
refer to Chapter 8, Electronics, on page 233.
Most of the procedures in this chapter are illustrated with video clips in the
HP 5973 MSD Reference Collection CD-ROM.
178
Maintaining the MSD
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