Agilent Technologies 7000 Series Operating Manual page 152

7 General Maintenance
Electrostatic discharge
mass filter (quadrupole) and CC contact wires which can carry ESD to sensitive
components on the quad driver board. ESD damage may not cause immediate
failure, but it will gradually degrade the performance and stability of your MS.
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 antistatic wrist strap and take other antistatic
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 components, exposed wires or
traces, or pins on connectors.
Take extra precautions, such as a grounded antistatic mat, if you must work on
components or assemblies that have been removed from the MS. This includes
the analyzers.
To be effective, an antistatic wrist strap must fit snugly (not tight). A loose
C AU T I O N
strap provides little or no protection.
Antistatic precautions are not 100% effective. Handle electronic circuit boards
as little as possible, and then only by the edges. Never touch components,
exposed traces, or pins on connectors and cables.
152 7000/7010 Series TQ GC/MS Operating Manual