7 General Maintenance
Maintaining the Analyzer
5977B Series MSD Operating Manual 175
Some parts can be damaged by electrostatic discharge
The wires, contacts, and cables connected to the analyzer components can carry
electrostatic discharges (ESD) to the electronics boards to which they are
connected. This is especially true of the mass filter (quadrupole) contact wires
which can conduct ESD to sensitive components on the side board. ESD damage
may not cause immediate failure but will gradually degrade performance and
stability. (See “Electrostatic discharge” on page 171 for more information.)
Some analyzer parts should not be disturbed
The mass filter (quadrupole) requires no periodic maintenance. In general, the
mass filter should never be disturbed. In the event of extreme contamination, it
can be cleaned, but such cleaning should only be done by a trained Agilent
Technologies service representative. The HED ceramic insulator must never be
touched.
More information is available
If you need more information about the locations or functions of analyzer
components, refer to the Agilent 5977B Series MSD Troubleshooting and
Maintenance Manual.
Many procedures in this chapter are illustrated with video clips.
Electrostatic discharges to analyzer components are conducted to the side
board where they can damage sensitive components. Wear a grounded
antistatic wrist strap (see “Electrostatic discharge” on page 171) and take
other antistatic precautions before you open the analyzer chamber.
Incorrect handling or cleaning of the mass filter can damage it and have a
serious, negative effect on instrument performance. Do not touch the HED
ceramic insulator.
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